Sloths! The strange life of the world's slowest mammal | Lucy Cooke

119,553 views ใƒป 2019-06-18

TED


ืื ื ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ืœืžื˜ื” ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ.

ืชืจื’ื•ื: Yael Ring ืขืจื™ื›ื”: Ido Dekkers
00:12
Hello.
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ืฉืœื•ื.
00:14
Well, I'm here to talk to you about my animal muse:
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ืื ื™ ื›ืืŸ ืœืกืคืจ ืœื›ื ืขืœ ื—ื™ื™ืช ื”ืžื•ื–ื” ืฉืœื™:
00:19
the sloth.
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ื”ืขืฆืœื ืื™.
00:20
(Laughter)
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(ืฆื—ื•ืง)
00:23
I've been documenting the strange lives of the world's slowest mammal
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ืื ื™ ืชื™ืขื“ืชื™ ืืช ื—ื™ื™ื”ื ื”ืžืฉื•ื ื™ื ืฉืœ ื”ื™ื•ื ืง ื”ืื™ื˜ื™ ื‘ื™ื•ืชืจ ื‘ืขื•ืœื
00:27
for the last 10 years.
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ื‘ืขืฉืจ ื”ืฉื ื™ื ื”ืื—ืจื•ื ื•ืช.
00:29
I still remember the first time I saw one.
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ืื ื™ ืขื“ื™ื™ืŸ ื–ื•ื›ืจืช ืืช ื”ืคืขื ื”ืจืืฉื•ื ื” ืฉืจืื™ืชื™ ืื—ื“.
00:31
I was fascinated by their freaky biology.
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ื”ื™ื™ืชื™ ืžื•ืงืกืžืช ืžื”ื‘ื™ื•ืœื•ื’ื™ื” ื”ืžื•ื–ืจื” ืฉืœื”ื.
00:36
I mean, what's not to love about an animal that's born
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ื›ืœื•ืžืจ, ืžื” ืื™ืŸ ืœืื”ื•ื‘ ื‘ื—ื™ื” ืฉื ื•ืœื“ืช
00:39
with a fixed grin on its face?
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ืขื ื—ื™ื•ืš ืงื‘ื•ืข ืขืœ ืคื ื™ื”?
00:41
(Laughter)
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(ืฆื—ื•ืง)
00:43
And the need to hug.
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ื•ื”ืฆื•ืจืš ืœื—ื‘ืง.
00:45
Audience: Awww.
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ืงื”ืœ: ืื•ื•ื•.
00:47
But sloths are massively misunderstood.
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ืื‘ืœ ืขืฆืœื ื™ื ืžืžืฉ ืœื ืžื•ื‘ื ื™ื.
00:52
They've been saddled with a name that speaks of sin
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ื”ื ื ืชืงืขื• ืขื ืฉื ืฉืงืฉื•ืจ ื‘ื—ื˜ื
00:55
and damned for their languorous lifestyle,
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ื•ืืจื•ืจื™ื ื‘ืฉืœ ืื•ืจื— ื—ื™ื™ื”ื ื—ืกืจ ื”ืžืจืฅ,
00:58
which people seem to think has no place amongst the fittest
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ืฉืื ืฉื™ื ื—ื•ืฉื‘ื™ื ืฉืื™ืŸ ืœื• ืžืงื•ื ื‘ืงืจื‘ ื”ื—ื–ืงื™ื
01:02
in the fast-paced race for survival.
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ื‘ืžื™ืจื•ืฅ ื”ืžื”ื™ืจ ืœื”ื™ืฉืจื“ื•ืช.
01:05
Well, I'm here to tell you that we've got this animal all wrong --
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ื•ื‘ื›ืŸ, ืื ื™ ื›ืืŸ ืœืกืคืจ ืœื›ื ืฉืื ื—ื ื• ืžืžืฉ ื˜ื•ืขื™ื ืœื’ื‘ื™ ื”ื—ื™ื” ื”ื–ื• --
01:10
and how understanding the truth about the sloth
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ื•ืื™ืš ื”ื‘ื ืช ื”ืืžืช ืขืœ ื”ืขืฆืœื ืื™
01:13
may help save us and this planet we both call home.
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ื™ื›ื•ืœื” ืœืขื–ื•ืจ ื‘ื”ืฆืœืชื ื• ื•ื”ืฆืœืช ื›ื“ื•ืจ ื”ืืจืฅ, ืฉืœื• ืฉื ื™ื™ื ื• ืงื•ืจืื™ื ื‘ื™ืช.
01:19
I traced sloth-based slander
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ืขืงื‘ืชื™ ืื—ืจื™ ื”ืฉืžืฆื•ืช ืขืฆืœื ืื™ื
01:22
back to a Spanish conquistador called Valdรฉs,
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ืขื“ ืœื›ื•ื‘ืฉ ืกืคืจื“ื™ ื‘ืฉื ื•ืืœื“ื–,
01:26
who gave the first description of a sloth in his encyclopedia of the New World.
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ืฉืกื™ืคืง ืืช ื”ืชื™ืื•ืจ ื”ืจืืฉื•ืŸ ืฉืœ ืขืฆืœื ืื™ ื‘ืื ืฆื™ืงืœื•ืคื“ื™ื” ืฉืœื• ืฉืœ ื”ืขื•ืœื ื”ื—ื“ืฉ.
01:31
He said the sloth was
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ื”ื•ื ืืžืจ ืฉื”ืขืฆืœื ืื™ ื”ื•ื
01:33
"the stupidest animal that can be found in the world ...
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"ื”ื—ื™ื” ื”ื˜ื™ืคืฉื” ื‘ื™ื•ืชืจ ืฉื ื™ืชืŸ ืœืžืฆื•ื ื‘ืขื•ืœื --
01:36
I have never seen such an ugly animal or one that is more useless."
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ืžืขื•ืœื ืœื ืจืื™ืชื™ ื—ื™ื” ื›ื” ืžื›ื•ืขืจืช ืื• ื›ื” ื—ืกืจืช ืขืจืš".
01:42
(Laughter)
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(ืฆื—ื•ืง)
01:43
Tell us what you really think, Valdรฉs.
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ืกืคืจ ืœื ื• ืžื” ืืชื” ื‘ืืžืช ื—ื•ืฉื‘, ื•ืืœื“ื–.
01:45
(Laughter)
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(ืฆื—ื•ืง)
01:47
I'd like to have a word about Valdรฉs's drawing skills.
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ื”ื™ื™ืชื™ ืจื•ืฆื” ืœื“ื‘ืจ ืขืœ ื›ื™ืฉื•ืจื™ ื”ืฆื™ื•ืจ ืฉืœ ื•ืืœื“ื–.
01:51
(Laughter)
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(ืฆื—ื•ืง)
01:53
I mean, what is that?
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ื›ืœื•ืžืจ, ืžื” ื–ื”?
01:56
(Laughter)
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(ืฆื—ื•ืง)
01:58
I've never seen an illustration of a sloth that's more useless.
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ืžืขื•ืœื ืœื ืจืื™ืชื™ ืฆื™ื•ืจ ื›ื” ื—ืกืจ ืชื•ืขืœืช ืฉืœ ืขืฆืœื ืื™.
02:01
(Laughter)
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(ืฆื—ื•ืง)
02:02
But I mean, on the plus side,
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ืื‘ืœ ืื ื™ ืžืชื›ื•ื•ื ืช, ื‘ืฆื“ ื”ื—ื™ื•ื‘ื™,
02:04
he has given the sloth a remarkably humanlike face,
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ื”ื•ื ื ืชืŸ ืœืขืฆืœื ืื™ ืคืจืฆื•ืฃ ืžืื•ื“ ืื ื•ืฉื™,
02:06
and sloths do have remarkably humanlike faces.
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ื•ืœืขืฆืœื ืื™ื ื™ืฉ ืคืจืฆื•ืคื™ื ื‘ืืžืช ืžืื•ื“ ืื ื•ืฉื™ื™ื.
02:10
This sloth I photographed in Costa Rica, I think looks a lot like Ringo Starr.
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ืื ื™ ื—ื•ืฉื‘ืช ืฉื”ืขืฆืœื ืื™ ื”ื–ื”, ืฉืฆื™ืœืžืชื™ ื‘ืงื•ืกื˜ื” ืจื™ืงื”, ืžืžืฉ ื“ื•ืžื” ืœืจื™ื ื’ื• ืกื˜ืืจ.
02:16
(Laughter)
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(ืฆื—ื•ืง)
02:17
But then, sloths do bear an uncanny resemblance to the The Beatles.
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ืื‘ืœ ืื–, ืœืขืฆืœื ืื™ื ื‘ื›ืœืœ ื™ืฉ ื“ืžื™ื•ืŸ ืžืื•ื“ ื’ื“ื•ืœ ืœื‘ื™ื˜ืœืก.
02:22
(Laughter)
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(ืฆื—ื•ืง)
02:26
Particularly pleased with Paul, actually, on there.
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ืื ื™ ื“ื™ ืžืจื•ืฆื” ืžืคื•ืœ, ื‘ืขืฆื, ืฉื.
02:30
But like The Beatles, sloths are also extremely successful.
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ืื‘ืœ ื›ืžื• ื”ื‘ื™ื˜ืœืก, ืขืฆืœื ืื™ื ื”ื ื’ื ืžืžืฉ ืžื•ืฆืœื—ื™ื.
02:36
They come from an ancient line of mammals, and there were once dozens of species
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ื”ื ื‘ืื™ื ืžื’ื–ืข ืžืื•ื“ ืขืชื™ืง ืฉืœ ื™ื•ื ืงื™ื ื•ืคืขื ื”ื™ื• ืขืฉืจื•ืช ื–ื ื™ื
02:40
including the giant ground sloth, which was the size of a small elephant
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ื›ื•ืœืœ ืขืฆืœื ืื™ ื”ืงืจืงืข ื”ืขื ืง ืฉื”ื™ื” ื‘ื’ื•ื“ืœ ืฉืœ ืคื™ืœ ืงื˜ืŸ
02:44
and one of the only animals big enough to eat avocado pits whole
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ื•ืื—ื“ ืžื”ื™ื•ื ืงื™ื ื”ื’ื“ื•ืœื™ื ืžืกืคื™ืง ื›ื“ื™ ืœื‘ืœื•ืข ื’ืœืขื™ื ื™ ืื‘ื•ืงื“ื• ืฉืœืžื™ื
02:48
and disperse them.
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ื•ืœืคื–ืจ ืื•ืชื.
02:51
So ... (Laughter)
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ืื–... (ืฆื—ื•ืง)
02:53
Some of you have worked it out already.
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ื—ืœืง ืžื›ื ื›ื‘ืจ ื”ื‘ื™ื ื• ืืช ื–ื”.
02:55
(Laughter)
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(ืฆื—ื•ืง)
02:56
That means that without sloths,
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ื›ืœื•ืžืจ ืฉืœืœื ืขืฆืœื ืื™ื,
02:58
there might be no avocado on toast today,
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ืื•ืœื™ ืœื ื”ื™ื” ืœื ื• ื”ื™ื•ื ืื‘ื•ืงื“ื• ืขืœ ื˜ื•ืกื˜,
03:01
leaving hipsters everywhere totally bereft at breakfast.
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ื•ื”ื™ืคืกื˜ืจื™ื ื‘ื›ืœ ื”ืขื•ืœื ื”ื™ื• ื ื•ืชืจื™ื ืœืœื ืืจื•ื—ืช ื‘ื•ืงืจ.
03:05
(Laughter)
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(ืฆื—ื•ืง)
03:07
(Applause)
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(ืžื—ื™ืื•ืช ื›ืคื™ื™ื)
03:13
Today, there are six surviving species, and they fall into two groups.
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ื›ื™ื•ื, ื™ืฉื ื ืฉืฉื” ื–ื ื™ื ืฉืฉืจื“ื•, ื•ื”ื ืžื—ื•ืœืงื™ื ืœืฉืชื™ ืงื‘ื•ืฆื•ืช.
03:17
You've got your Bradypus three-toed sloths,
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ื™ืฉ ืืช ืขืฆืœื ื™ ื”ืชืœืช-ืืฆื‘ืข,
03:19
they're the ones with the Beatles haircuts and the Mona Lisa smiles.
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ื”ื ืืœื” ื‘ืขืœื™ ืชืกืคื•ืจืช ื”ื‘ื™ื˜ืœืก ื•ื—ื™ื•ืš ื”ืžื•ื ื” ืœื™ื–ื”,
03:24
Then, there are the two-toed sloths.
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ื•ืื– ื™ืฉ ืืช ืขืฆืœื ื™ ื”ื“ื•-ืืฆื‘ืข.
03:27
They look a little bit more like a cross between a Wookiee and a pig.
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ื”ื ื ืจืื™ื ืงืฆืช ื™ื•ืชืจ ื›ืžื• ืฉื™ืœื•ื‘ ืฉืœ ื•ื•ืงื™ ื•ื—ื–ื™ืจ.
03:31
They live in the jungles of Central and South America,
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ื”ื ื—ื™ื™ื ื‘ื’'ื•ื ื’ืœื™ื ืฉืœ ืžืจื›ื– ื•ื“ืจื•ื ืืžืจื™ืงื”,
03:34
and they're extremely prolific.
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ื•ื”ื ืžืื•ื“ ืคื•ืจื™ื™ื.
03:36
There was a survey that was done in the 1970s
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ื‘ืกืงืจ ืฉื ืขืจืš ื‘ืฉื ื•ืช ื”-70
03:39
in a Panamanian tropical forest
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ื‘ื™ืขืจ ื”ื˜ืจื•ืคื™ ื”ืคื ืžื™
03:41
that found that sloths were the most numerically abundant large animal.
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ื ืžืฆื ืฉื”ืขืฆืœื ืื™ื ื”ื™ื• ื‘ืขืœ ื”ื—ื™ื™ื ื”ื’ื“ื•ืœ ื”ื›ื™ ื ืคื•ืฅ ืžื‘ื—ื™ื ื” ืžืกืคืจื™ืช.
03:46
They took up one quarter of the mammalian biomass.
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ื”ื ืื›ืœืกื• ื›ืจื‘ืข ืžื ืคื— ื”ืกื‘ื™ื‘ื” ื”ื‘ื™ื•ืœื•ื’ื™ืช ืฉืœ ื”ื™ื•ื ืงื™ื.
03:50
Now, that's an awful lot of sloths
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ื–ืืช ื›ืžื•ืช ื’ื“ื•ืœื” ืžืื•ื“ ืฉืœ ืขืฆืœื ืื™ื
03:53
and suggests they're doing something very right indeed.
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ืžื” ืฉืžืขื™ื“ ืขืœ ื›ืš ืฉื”ื ืขื•ืฉื™ื ืžืฉื”ื• ืžืžืฉ ื ื›ื•ืŸ.
03:58
So what if, rather than deriding the sloth for being different,
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ืื– ืžื” ืื, ื‘ืžืงื•ื ืœืจื“ืช ืขืœ ื”ืขืฆืœื ืื™ ืขืœ ื–ื” ืฉื”ื•ื ืฉื•ื ื”,
04:05
we tried to learn from it instead?
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ื ื ืกื” ืœืœืžื•ื“ ืžืžื ื• ื‘ืžืงื•ื?
04:09
We humans are obsessed with speed.
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ืื ื—ื ื• ื‘ื ื™ ื”ืื“ื ืื•ื‘ืกืกื™ื‘ื™ื™ื ืœื’ื‘ื™ ืžื”ื™ืจื•ืช.
04:13
Busyness is a badge of honor,
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ื”ืขื™ืกื•ืง ื”ื•ื ืชื’ ืฉืœ ื›ื‘ื•ื“,
04:15
and convenience trumps quality in our quest for quick.
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ื•ื”ื ื•ื—ื•ืช ืขื•ืœื” ืขืœ ื”ืื™ื›ื•ืช ื‘ืฉืื™ืคืชื ื• ืœืžื”ื™ืจ.
04:20
Our addiction to the express life is choking us and the planet.
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ื”ื”ืชืžื›ืจื•ืช ืฉืœื ื• ืœื—ื™ื™ื ื”ืžื”ื™ืจื™ื ื—ื•ื ืงืช ืื•ืชื ื• ื•ืืช ื›ื“ื•ืจ ื”ืืจืฅ.
04:26
We idolize animals like the cheetah, the "Ferrari of the animal kingdom,"
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ืื ื—ื ื• ืžืขืจื™ืฆื™ื ื—ื™ื•ืช ื›ืžื• ื”ืฆ'ื™ื˜ื”, ื”"ืคืจืืจื™ ืฉืœ ืขื•ืœื ื”ื—ื™ื•ืช",
04:32
capable of doing naught to 60 in three seconds flat.
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ืฉืžืกื•ื’ืœืช ืœื”ื’ื™ืข ืœืžื”ื™ืจื•ืช ืฉืœ 90 ืงืž"ืฉ ื‘ืชื•ืš ืฉืœื•ืฉ ืฉื ื™ื•ืช.
04:36
Well, so what?
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ืื– ืžื”?
04:38
(Laughter)
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(ืฆื—ื•ืง)
04:42
(Applause)
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(ืžื—ื™ืื•ืช ื›ืคื™ื™ื)
04:46
So what?
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ืื– ืžื”?
04:47
The sloth, on the other hand,
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ื”ืขืฆืœื ืื™, ืžืฆื“ ืฉื ื™,
04:48
can reach a leisurely 17 feet a minute
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ื™ื›ื•ืœ ืœื”ื’ื™ืข ืœืžื”ื™ืจื•ืช ื ื•ื—ื” ืฉืœ 5 ืžื˜ืจ ื‘ื“ืงื”
04:52
with the wind behind it.
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ื›ืฉื”ืจื•ื— ื‘ื’ื‘ื•.
04:54
(Laughter)
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(ืฆื—ื•ืง)
04:57
But being fast is costly.
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ืื‘ืœ ืœืžื”ื™ืจื•ืช ื™ืฉ ืžื—ื™ืจ.
04:59
The cheetah is speedy, but at the expense of strength.
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ืžื”ื™ืจื•ืชื” ืฉืœ ื”ืฆ'ื™ื˜ื” ื‘ืื” ื‘ืžืงื•ื ื›ื•ื—ื”.
05:03
They can't risk getting in a fight,
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ื”ืŸ ืœื ื™ื›ื•ืœื•ืช ืœื”ืกืชื›ืŸ ื‘ืžืื‘ืง,
05:05
so they lose one in nine kills to tougher predators like hyenas.
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ืื– ื”ืŸ ืžืคืกื™ื“ื•ืช ืื—ื“ ืžื›ืœ ืชืฉืขื” ืงืจื‘ื ื•ืช ืœื˜ื•ืจืคื™ื ื™ื•ืชืจ ืงืฉื•ื—ื™ื ื›ืžื• ื”ืฆื‘ื•ืขื™ื.
05:09
No wonder they're laughing.
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ืœื ืคืœื ืฉื”ื ืฆื•ื—ืงื™ื.
05:11
(Laughter)
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(ืฆื—ื•ืง)
05:12
The sloth, on the other hand,
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ื”ืขืฆืœื ืื™, ืœืขื•ืžืช ื–ืืช,
05:13
has taken a more stealthy approach to dinner.
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ื ืงื˜ ื‘ื’ื™ืฉื” ื™ื•ืชืจ ื—ืฉืื™ืช ืœืืจื•ื—ืช ื”ืขืจื‘,
05:16
They survive by capturing and consuming
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ื”ื ืžืชืงื™ื™ืžื™ื ืขืœ ืชืคื™ืกืช ื•ืื›ื™ืœืช
05:20
static leaves.
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ืขืœื™ื ื ื™ื™ื—ื™ื.
05:22
(Laughter)
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(ืฆื—ื•ืง)
05:24
But you see, leaves don't want to be eaten any more than antelope do,
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ืื‘ืœ ืืชื ืจื•ืื™ื, ืขืœื™ื ืœื ืจื•ืฆื™ื ืœื”ื™ืื›ืœ ื™ื•ืชืจ ืžืืฉืจ ื”ืื ื˜ื™ืœื•ืคื” ืจื•ืฆื”,
05:27
so they're loaded full of toxins and very hard to digest.
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ืื– ื”ื ืžืœืื™ื ื‘ืจืขืœื™ื ื•ืžืžืฉ ืงืฉื” ืœืขื›ืœ ืื•ืชื.
05:31
So in order to consume them,
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ืื– ื›ื“ื™ ืœืื›ื•ืœ ืื•ืชื,
05:32
the sloth has also had to become an athlete --
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ื”ืขืฆืœื ืื™ ื’ื ื”ืคืš ืœืืชืœื˜ --
05:36
a digesting athlete.
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ืืชืœื˜ ืขื™ื›ื•ืœ.
05:38
(Laughter)
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(ืฆื—ื•ืง)
05:39
The sloth's secret weapon is a four-chambered stomach
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ื”ื ืฉืง ื”ืกื•ื“ื™ ืฉืœ ื”ืขืฆืœื ืื™ ื”ื•ื ื‘ื˜ืŸ ื‘ืขืœืช ืืจื‘ืข ืงื™ื‘ื•ืช
05:42
and plenty of time.
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ื•ืžืœื ื–ืžืŸ.
05:44
They have the slowest digestion rate of any mammal.
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ื™ืฉ ืœื”ื ืืช ืงืฆื‘ ื”ืขื™ื›ื•ืœ ื”ืื™ื˜ื™ ื‘ื™ื•ืชืจ ืืฆืœ ื™ื•ื ืงื™ื.
05:47
And it can take up to a month to process a single leaf,
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ื•ื”ื•ื ื™ื›ื•ืœ ืœืขื›ืœ ืขืœื” ืื—ื“ ื‘ืžืฉืš ื—ื•ื“ืฉ ื›ืžืขื˜,
05:51
which gives their liver plenty of time to process those toxins.
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ืžื” ืฉื ื•ืชืŸ ืœื›ื‘ื“ ืฉืœื”ื ืžืœื ื–ืžืŸ ืœืขื‘ื“ ืืช ื”ืจืขืœื™ื ื”ืืœื”.
05:55
So, sloths aren't lazy.
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ืื–, ื”ืขืฆืœื ืื™ื ื”ื ืœื ืขืฆืœื ื™ื.
06:00
No, they're busy.
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ืœื, ื”ื ืขืกื•ืงื™ื.
06:02
Digesting.
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ื‘ืขื™ื›ื•ืœ.
06:04
(Laughter)
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(ืฆื—ื•ืง)
06:05
Yeah, really busy.
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ื›ืŸ, ื”ื ืžืžืฉ ืขืกื•ืงื™ื.
06:07
(Laughter)
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(ืฆื—ื•ืง)
06:09
Hard at work, that sloth, very hard at work.
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ื”ื•ื ืขื•ื‘ื“ ืžืžืฉ ืงืฉื”, ื”ืขืฆืœื ืื™ ื”ื–ื”, ืžืžืฉ ืงืฉื”.
06:12
And of course, leaves have little calorific value,
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ื•ื›ืžื•ื‘ืŸ, ืœืขืœื™ื ื™ืฉ ืขืจืš ืงืœื•ืจื™ ื“ื™ ื–ืขื•ื,
06:15
so sloths have evolved to spend as little energy as possible.
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ืื– ื”ืขืฆืœื ืื™ื ื”ืชืคืชื—ื• ื‘ืฆื•ืจื” ื›ื–ื• ืฉื”ื ืžื•ืฆื™ืื™ื ื›ืžื” ืฉืคื—ื•ืช ืื ืจื’ื™ื”.
06:19
They do about 10 percent of the work of a similar-sized mammal
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ื”ื ืžื‘ืฆืขื™ื ื›10% ืžื”ืžืืžืฅ ืฉืœ ื™ื•ื ืง ืื—ืจ ื‘ืื•ืชื• ื”ื’ื•ื“ืœ
06:23
and survive on as little as 100 calories a day,
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ื•ืžืชืงื™ื™ืžื™ื ืขืœ ื›ืžื•ืช ืฉืœ ืขื“ 100 ืงืœื•ืจื™ื•ืช ื‘ื™ื•ื,
06:27
thanks to some ingenious adaptations.
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ื”ื•ื“ื•ืช ืœื›ืžื” ื”ืชืืžื•ืช ื’ืื•ื ื™ื•ืช.
06:31
The Bradypus, three-toed sloths,
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ืœืขืฆืœื ื™ ื”ืชืœืช-ืืฆื‘ืข
06:32
they've got more neck bones than any other mammal,
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ื™ืฉ ื™ื•ืชืจ ืขืฆืžื•ืช ืฆื•ื•ืืจ ืžืœื›ืœ ื™ื•ื ืง ืื—ืจ,
06:35
even a giraffe.
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ืืคื™ืœื• ืžืœื’'ื™ืจืคื”.
06:36
Which means they can turn their head through 270 degrees
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ืžื” ืฉืื•ืžืจ ืฉื”ื ื™ื›ื•ืœื™ื ืœืกื•ื‘ื‘ ืืช ื”ืจืืฉ ืฉืœื”ื ื‘270 ืžืขืœื•ืช
06:41
and graze all around them,
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ื•ืœืจืขื•ืช ืžืกื‘ื™ื‘ื,
06:43
without having to actually bother with the effort of moving their body.
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ืžื‘ืœื™ ืœื”ืชืขืกืง ื‘ืžืืžืฅ ืฉืœ ื”ื–ื–ืช ื”ื’ื•ืฃ ืฉืœื”ื.
06:47
(Laughter)
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(ืฆื—ื•ืง)
06:50
It also means that they are surprisingly good swimmers.
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ื–ื” ื’ื ืื•ืžืจ ืฉื”ื ืฉื—ื™ื™ื ื™ื ื“ื™ ื˜ื•ื‘ื™ื ื‘ืื•ืคืŸ ืžืคืชื™ืข.
06:53
Sloths can bob along in water
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ืขืฆืœื ืื™ื ื™ื›ื•ืœื™ื ืœืฆื•ืฃ ืขืœ ืคื ื™ ื”ืžื™ื
06:56
three times faster than they can move on land,
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ืคื™ ืฉืœื•ืฉ ื™ื•ืชืจ ืžื”ืจ ืžืฉื”ื ื ืขื™ื ืขืœ ืคื ื™ ื”ืงืจืงืข.
06:59
kept afloat by ...
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ื•ื”ื ืฆืคื™ื ื‘ืืžืฆืขื•ืช...
07:01
trapped wind.
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ื’ื–ื™ื ืœื›ื•ื“ื™ื.
07:03
(Laughter)
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(ืฆื—ื•ืง)
07:05
So --
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ืื– --
07:06
(Laughter)
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(ืฆื—ื•ืง)
07:07
sloths are the only mammal that we know of that don't do flatulence.
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ืขืฆืœื ืื™ื ื”ื ื”ื™ื•ื ืงื™ื ื”ื™ื—ื™ื“ื™ื ืฉืื ื—ื ื• ืžื›ื™ืจื™ื ืฉืœื ืžืคื™ื—ื™ื ื’ื–ื™ื.
07:11
When they need to expel gas,
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ื›ืฉื”ื ืฆืจื™ื›ื™ื ืœื”ื™ืคื˜ืจ ืžื’ื–,
07:13
it's actually reabsorbed into their bloodstream
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ื”ื•ื ืœืžืขืฉื” ื ืกืคื’ ืžื—ื“ืฉ ืœืžืขืจื›ืช ื”ื“ื ืฉืœื”ื
07:16
and expelled orally as a sort of mouth fart.
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ื•ืžื•ืคื— ื“ืจืš ื”ืคื” ื›ืกื•ื’ ืฉืœ ื”ืคื—ืช ืคื”.
07:19
(Laughter)
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(ืฆื—ื•ืง)
07:23
Turning their lives upside down saves further energy.
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ื”ื—ื™ื™ื ื‘ืžื”ื•ืคืš ื’ื ื—ื•ืกื›ืช ืื ืจื’ื™ื”.
07:27
They have about half the skeletal muscle of a terrestrial mammal.
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ื™ืฉ ืœื”ื ื›ืžื—ืฆื™ืช ืžื›ืžื•ืช ืฉืจื™ืจื™ ื”ืฉืœื“ ืฉืœ ื™ื•ื ืง ื™ื‘ืฉืชื™.
07:31
They don't really have so many of the extensor muscles
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ื•ืื™ืŸ ืœื”ื ื›ืœ ื›ืš ื”ืจื‘ื” ืฉืจื™ืจื™ ื™ื™ืฉื•ืจ
07:35
that are the weight-bearing muscles;
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ืฉื”ื ื”ืฉืจื™ืจื™ื ื ื•ืฉืื™ ื”ืžืฉืงืœ;
07:37
instead, they rely on retractor muscles to pull themselves along.
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ื‘ืžืงื•ื, ื”ื ืžืกืชืžื›ื™ื ืขืœ ืฉืจื™ืจื™ ืžืคืฉืง ืฉื™ืžืฉื›ื• ืื•ืชื.
07:41
They have long, hooked claws and a high fatigue resistance,
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ื™ืฉ ืœื”ื ื˜ื•ืคืจื™ื ืืจื•ื›ื™ื ื•ืžืขื•ืงืœื™ื ื•ืขืžื™ื“ื•ืช ื’ื‘ื•ื”ื” ืœืขื™ื™ืคื•ืช,
07:45
so they can literally hook on and hang like a happy, hairy hammock
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ื›ืš ืฉื”ื ื™ื›ื•ืœื™ื ืœืžืขืฉื” ืœื”ื™ืชืœื•ืช ื›ืžื• ืขืจืกืœ ืฉืžื— ื•ืฉืขื™ืจ
07:50
for hours on end.
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ื‘ืžืฉืš ืฉืขื•ืช ืขืœ ื’ื‘ื™ ืฉืขื•ืช.
07:52
And sloths can do almost anything in this inverted position.
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ื•ืขืฆืœื ืื™ื ื™ื›ื•ืœื™ื ืœืขืฉื•ืช ื›ืžืขื˜ ื”ื›ืœ ื‘ืชื ื•ื—ื” ื”ื”ืคื•ื›ื” ื”ื–ื•.
07:56
They sleep, eat and even give birth.
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ื”ื ื™ืฉื ื™ื, ืื•ื›ืœื™ื ื•ืืคื™ืœื• ื™ื•ืœื“ื™ื.
07:59
Their throat and blood vessels are uniquely adapted
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ื”ื’ืจื•ืŸ ื•ืฆื™ื ื•ืจื•ืช ื”ื“ื ืฉืœื”ื ืžื•ืชืืžื™ื ื‘ืื•ืคืŸ ื™ื™ื—ื•ื“ื™
08:02
to pump blood and to swallow food against the force of gravity.
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ื›ืš ืฉื™ืขื‘ื™ืจื• ื“ื ื•ื™ื‘ืœืขื• ืื•ื›ืœ ื ื’ื“ ื›ื•ื— ื”ื›ื‘ื™ื“ื”.
08:06
They have sticky bits on their ribs
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ื™ืฉ ื—ืœืงื™ื ื—ืœืงื™ื ื“ื‘ื™ืงื™ื ืขืœ ื”ืฆืœืขื•ืช
08:09
that prevent their enormous stomach from crushing their lungs.
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ืฉืžื•ื ืขื™ื ืžื”ื‘ื˜ืŸ ื”ืขืฆื•ืžื” ืฉืœื”ื ืœืžืขื•ืš ืืช ื”ืจื™ืื•ืช ืฉืœื”ื.
08:13
And their fur grows the opposite direction,
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ื•ื”ืคืจื•ื•ื” ืฉืœื”ื ืฆื•ืžื—ืช ื‘ื›ื™ื•ื•ืŸ ื”ื ื’ื“ื™,
08:16
so they can drip dry after a tropical drenching.
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ื›ืš ืฉื™ื•ื›ืœื• ืœื”ืชื™ื™ื‘ืฉ ื‘ืืžืฆืขื•ืช ื˜ืคื˜ื•ืฃ ืื—ืจื™ ืกืขืจื” ื˜ืจื•ืคื™ืช.
08:20
The only problem is, if you turn a sloth the other way up,
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ื”ื‘ืขื™ื” ื”ื™ื—ื™ื“ื” ื”ื™ื, ืื ืชื”ืคื•ืš ืืช ื”ืขืฆืœื ืื™,
08:25
gravity removes its dignity.
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ื›ื•ื— ื”ื›ื‘ื™ื“ื” ื’ื•ื–ืœ ืžืžื ื• ืืช ื›ื‘ื•ื“ื•.
08:28
Audience: Awww.
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ืงื”ืœ: ืื•ื•ื•.
08:30
They can't hold themselves upright.
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ื”ื ืœื ื™ื›ื•ืœื™ื ืœืขืžื•ื“ ื–ืงื•ืฃ.
08:32
And so they drag their bodies along as if mountaineering on a flat surface.
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ื•ื›ืš ื”ื ื’ื•ืจืจื™ื ืืช ืขืฆืžื ื›ืื™ืœื• ื”ื ืžื˜ืคืกื™ ื”ืจื™ื ืขืœ ืžืฉื˜ื— ืฉื˜ื•ื—.
08:37
And I think this is why the early explorers like Valdรฉs
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ื•ืื ื™ ื—ื•ืฉื‘ืช ืฉื–ื• ื”ืกื™ื‘ื” ื‘ื’ืœืœื” ื”ืžื’ืœื™ื ื”ืจืืฉื•ื ื™ื, ื›ืžื• ื•ืืœื“ื–,
08:40
thought so poorly of them,
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ื”ื™ื• ื‘ืขืœื™ ื“ืขื” ื›ืœ ื›ืš ืฉืœื™ืœื™ืช ืœื’ื‘ื™ื”ื.
08:42
because they were observing sloths the wrong way up and out of context.
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ื›ื™ื•ื•ืŸ ืฉื”ื ืจืื• ืืช ื”ืขืฆืœื ืื™ื ื‘ืื•ืคืŸ ื”ืคื•ืš ื•ืžื—ื•ืฅ ืœื”ืงืฉืจ.
08:48
I've spent many happy hours mesmerized by moving sloths.
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ื‘ื™ืœื™ืชื™ ื”ืจื‘ื” ืฉืขื•ืช ืฉืžื—ื•ืช ืžื•ืงืกืžืช ืžื”ืขืฆืœื ืื™ื ื”ื ืขื™ื.
08:53
Their lack of muscle hasn't impeded their strength or agility.
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ื”ื™ืขื“ืจ ื”ืฉืจื™ืจื™ื ืฉืœื”ื ืœื ืžื ืข ืžื”ื ื›ื•ื— ืื• ื’ืžื™ืฉื•ืช.
08:57
Nature's zen masters of mellow move like "Swan Lake" in slow mo --
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ืืœื•ืคื™ ื”ื–ืŸ ื”ืžืชื•ื ื™ื ืฉืœ ื”ื˜ื‘ืข ื ืขื™ื ื›ืžื• "ืื’ื ื”ื‘ืจื‘ื•ืจื™ื" ื‘ื”ื™ืœื•ืš ืื™ื˜ื™ --
09:03
(Laughter)
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(ืฆื—ื•ืง)
09:04
with the core control of a tai chi master.
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ืขื ืฉืœื™ื˜ื” ืคื ื™ืžื™ืช ืฉืœ ืžืืกื˜ืจ ื˜ืื™ ืฆ'ื™.
09:08
This one has fallen asleep mid-move, which is not uncommon.
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ื”ื‘ื—ื•ืจ ื”ื–ื” ื ืจื“ื ื‘ืืžืฆืข ื”ืฆืขื“, ืื™ืจื•ืข ื“ื™ ื ืคื•ืฅ.
09:13
(Laughter)
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(ืฆื—ื•ืง)
09:17
But you're probably wondering:
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ืื‘ืœ ืืชื ื‘ื˜ื— ืชื•ื”ื™ื:
09:19
How does a dangling bag of digesting leaves avoid being eaten?
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ืื™ืš ืฉืง ืขื™ื›ื•ืœ ืขืœื™ื ืชืœื•ื™ ืžืฆืœื™ื— ืœื”ื™ืžื ืข ืžืœื”ืคื•ืš ืœื˜ืจืฃ?
09:23
Good question.
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ืฉืืœื” ื˜ื•ื‘ื”.
09:24
Well, this is one of the sloth's main predators.
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ื–ื”ื• ืื—ื“ ืžื”ื˜ื•ืจืคื™ื ื”ืขื™ืงืจื™ื™ื ืฉืœ ื”ืขืฆืœื ืื™.
09:26
It's the harpy eagle.
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ื–ื”ื• ืขื™ื˜ ื”ืจืคื™ื”.
09:28
It can fly at speeds of up to 50 miles per hour,
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ื”ื•ื ื™ื›ื•ืœ ืœืขื•ืฃ ื‘ืžื”ื™ืจื•ืช ืฉืœ ืขื“ 80 ืงืž"ืฉ,
09:31
has talons the size of a grizzly bear's,
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ื™ืฉ ืœื ื• ื˜ืคืจื™ื ื‘ื’ื•ื“ืœ ืฉืœ ืืœื” ืฉืœ ื“ื•ื‘ ื’ืจื™ื–ืœื™,
09:34
razor-sharp eyesight,
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ื•ื—ื“ื•ืช ืจืื™ื”,
09:35
and that ring of feathers focuses sound
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ื•ื˜ื‘ืขืช ื”ื ื•ืฆื•ืช ื”ื–ืืช ืžืžืงื“ืช ืืช ื”ืฆืœื™ืœ
09:38
so that it can hear the slightest leaf rustle.
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ื›ืš ืฉื”ื•ื ื™ื›ื•ืœ ืœืฉืžื•ืข ืืช ืจื—ืฉ ื”ืขืœื™ื ื”ื›ื™ ืงืœ.
09:41
The sloth, on the other hand, has poor hearing, bad eyesight,
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ืœืขืฆืœื ืื™, ืœืขื•ืžืช ื–ืืช, ื™ืฉ ื—ื•ืฉ ืฉืžื™ืขื” ื™ืจื•ื“, ื•ื—ื•ืฉ ืจืื™ื” ื’ืจื•ืข,
09:46
and running from danger is clearly not an option.
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ื•ื”ืืคืฉืจื•ืช ืฉืœ ืจื™ืฆื” ืžืกื›ื ื” ื‘ืจื•ืจ ืฉืื™ื ื” ืื•ืคืฆื™ื” ื‘ื›ืœืœ.
09:50
No, they survive by wearing an invisibility cloak
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ืœื, ื”ื ืฉื•ืจื“ื™ื ื‘ืืžืฆืขื•ืช ืœื‘ื™ืฉืช ื’ืœื™ืžืช ื”ื™ืขืœืžื•ืช
09:54
worthy of Harry Potter.
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ืฉืชื›ื‘ื“ ืืช ื”ืืจื™ ืคื•ื˜ืจ.
09:56
Their fur has grooves that attract moisture
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ื‘ืคืจื•ื•ื” ืฉืœื”ื ื™ืฉ ื—ืจื›ื™ื ืฉืกื•ืคื’ื™ื ืœื—ื•ืช
10:00
and act as tiny hydroponic gardens for algae,
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ื•ืคื•ืขืœืช ื›ื’ื™ื ื•ืช ื”ื™ื“ืจื•ืคื•ื ื™ื•ืช ื–ืขื™ืจื•ืช ืœืืฆื•ืช,
10:03
and they also attract a host of invertebrates.
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ื•ื”ื ื’ื ืžื•ืฉื›ื™ื ืฉื•ืจื” ืฉืœ ื—ืกืจื™ ื—ื•ืœื™ื•ืช.
10:06
So they are their own slow-moving, miniature ecosystem.
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ื›ืš ืฉื”ื ืžืขืจื›ืช ืืงื•ืœื•ื’ื™ืช ืžื™ื ื™ืื˜ื•ืจื™ืช ืื™ื˜ื™ืช ืžืฉืœื”ื.
10:10
They become one with the trees.
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ื”ื ื”ื•ืคื›ื™ื ืœื”ื™ื•ืช ืื—ื“ ืžืŸ ื”ืขืฆื™ื.
10:13
And we think that their movements are so slow,
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ื•ืื ื—ื ื• ื—ื•ืฉื‘ื™ื ืฉื”ืชื ื•ืขื•ืช ืฉืœื”ื ื›ืœ ื›ืš ืื™ื˜ื™ื•ืช,
10:16
they slip under the radar of the monstrous harpy
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ืฉื”ื ื—ื•ืžืงื™ื ืžืชื—ืช ืœืจื“ืืจ ืฉืœ ื”ืขื™ื˜ ื”ื ื•ืจืื™
10:18
as it's flying about the canopy, scanning for action.
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ื‘ืžืขื•ืคื• ืžืขืœ ืœื—ื•ืคืช ื”ืขืฆื™ื, ื‘ืกืจื™ืงื” ืื—ืจ ื˜ืจืฃ.
10:23
Sloths are stealth ninjas,
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ื”ืขืฆืœื ืื™ื ื”ื ื ื™ื ื’ื•ืช ืฉืœ ื”ืชื’ื ื‘ื•ืช,
10:25
and they rarely leave the safety of the canopy --
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ื•ืจืง ืœืขืชื™ื ืจื—ื•ืงื•ืช ื™ืขื–ื‘ื• ืืช ื”ื‘ื™ื˜ื—ื•ืŸ ืฉืœ ื—ื•ืคืช ื”ืขืฆื™ื --
10:28
except to defecate,
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ืœืžืขื˜ ืื ื”ื ืฆืจื™ื›ื™ื ืœื”ื˜ื™ืœ ืฆืจื›ื™ื,
10:30
which they do about once a week at the base of a tree.
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ื“ื‘ืจ ืฉื”ื ืขื•ืฉื™ื ื‘ืขืจืš ืคืขื ื‘ืฉื‘ื•ืข ื‘ื‘ืกื™ืก ื”ืขืฅ.
10:34
Now, this risky and energetic behavior has long been a mystery,
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ืขื›ืฉื™ื•, ื”ื”ืชื ื”ื’ื•ืช ื”ืžืกื›ื ืช ื•ืžืœืืช ื”ืžืจืฅ ื”ื–ื• ื”ื™ื•ื•ืชื” ืชืขืœื•ืžื” ื‘ืžืฉืš ื–ืžืŸ ืจื‘,
10:38
and there are lots of theories as to why they do it.
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ื™ืฉื ืŸ ืชื™ืื•ืจื™ื•ืช ืจื‘ื•ืช ืœื’ื‘ื™ ืœืžื” ื”ื ืขื•ืฉื™ื ืืช ื–ื”.
10:41
But I think they're leaving surreptitious scented messages for potential mates.
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ืื‘ืœ ืื ื™ ื—ื•ืฉื‘ืช ืฉื”ื ืžืฉืื™ืจื™ื ื”ื•ื“ืขื•ืช ืžื‘ื•ืฉืžื•ืช ื‘ื—ืฉืื™ ืขื‘ื•ืจ ื‘ื ื™ ื–ื•ื’ ืคื•ื˜ื ืฆื™ืืœื™ื™ื.
10:48
Because, you see, sloths are generally silent, solitary creatures,
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ื›ื™ื•ื•ืŸ, ืฉืืชื ืจื•ืื™ื, ื”ืขืฆืœื ืื™ื ื”ื ืœืจื•ื‘ ื™ืฆื•ืจื™ื ืฉื•ืชืงื™ื, ืขืฆืžืื™ื™ื,
10:53
except for when the female is in heat.
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ืœืžืขื˜ ื›ืฉื”ื ืงื‘ื” ื‘ืชืงื•ืคืช ื”ื™ื™ื—ื•ื.
10:56
She will climb to the top of a tree and scream for sex.
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ื”ื™ื ืชื˜ืคืก ืœืจืืฉ ื”ืขืฅ ื•ืชืฆืจื— ืืช ืจืฆื•ื ื” ื‘ืกืงืก.
11:01
In D-sharp.
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ื‘ื“ื™ ื“ื™ืื–.
11:02
(Laughter)
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(ืฆื—ื•ืง)
11:04
Don't believe me?
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ืœื ืžืืžื™ื ื™ื ืœื™?
11:07
(Sound of sloth scream)
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(ืฆืœื™ืœ ืฉืœ ืฆืจื—ืช ืขืฆืœื ืื™)
11:09
D-sharp.
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ืกื•ืœื ื“ื™ ื“ื™ืื–.
11:11
This and only this note will get the male's attention.
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ื”ืฆืœื™ืœ ื”ื–ื” ื•ืจืง ื”ื•ื ื™ืชืคื•ืก ืืช ืชืฉื•ืžืช ื”ืœื‘ ืฉืœ ื”ื–ื›ืจ.
11:14
It mimics the sound of the kiskadee flycatcher.
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ื”ื•ื ืžื—ืงื” ืืช ื”ืฆืœื™ืœ ื”ืฆื™ืงื“ื”.
11:16
So the female remains covert,
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ืื– ื”ื ืงื‘ื” ืขื“ื™ื™ืŸ ื ื•ืชืจืช ื—ืฉืื™ืช,
11:18
even when yodeling for sex at the top of her lungs.
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ืืคื™ืœื• ื›ืฉื”ื™ื ืฉืจื” ืงืจื™ืื•ืช ืœืกืงืก ื‘ืงื•ืœื™ ืงื•ืœื•ืช.
11:22
Her clandestine booty calls will carry for miles across the canopy,
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ืงืจื™ืื•ืช ื”ืกืงืก ื”ืกืžื•ื™ื•ืช ืฉืœื” ื™ื’ื™ืขื• ืœืžืจื—ืง ืฉืœ ืงื™ืœื•ืžื˜ืจื™ื ื‘ืžืขื‘ื” ื”ื™ืขืจ
11:27
and males will beat a slow path towards her.
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ื•ื”ื–ื›ืจื™ื ื™ืคืชื—ื• ื‘ืžื™ืจื•ืฅ ืื™ื˜ื™ ืœืขื‘ืจื”.
11:30
(Laughter)
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(ืฆื—ื•ืง)
11:35
I think scented messages in her dung will help send Romeo up the right tree
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ืื ื™ ื—ื•ืฉื‘ืช ืฉื”ืžืกืจื™ื ื”ืจื™ื—ื ื™ื™ื ื‘ื’ืœืœื™ื ืฉืœื” ื™ืกื™ื™ืขื• ืœืจื•ืžื™ืื• ืœืžืฆื•ื ืืช ื”ืขืฅ ื”ื ื›ื•ืŸ
11:40
so that he doesn't waste precious energy scaling the wrong one.
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ื›ืš ืฉืœื ื™ืฆื˜ืจืš ืœื‘ื–ื‘ื– ืื ืจื’ื™ื” ื™ืงืจื” ื‘ื˜ื™ืคื•ืก ืขืœ ื”ืขืฅ ื”ืœื ื ื›ื•ืŸ.
11:44
Sex, by the way, is the only thing that sloths do swiftly.
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ืกืงืก, ื“ืจืš ืื’ื‘, ื”ื•ื ื”ื“ื‘ืจ ื”ื™ื—ื™ื“ ืฉื”ืขืฆืœื ืื™ื ืขื•ืฉื™ื ืžื”ืจ.
11:48
I've seen them do it in the wild,
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ืฆืคื™ืชื™ ื‘ื”ื ืขื•ืฉื™ื ืืช ื–ื” ื‘ื˜ื‘ืข,
11:49
and it's over and done with in a matter of seconds.
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ื•ื–ื” ื ื’ืžืจ ื‘ืชื•ืš ื›ืžื” ืฉื ื™ื•ืช.
11:53
But then, why waste precious energy on it,
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ืื‘ืœ ืื–, ืœืžื” ืœื‘ื–ื‘ื– ืื ืจื’ื™ื” ื™ืงืจื” ืขืœ ื–ื”,
11:56
particularly after that journey?
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ื‘ืžื™ื•ื—ื“ ืื—ืจื™ ื›ืœ ื”ืžืกืข ื”ื–ื”?
11:58
(Laughter)
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(ืฆื—ื•ืง)
11:59
Unlike other mammals,
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ืฉืœื ื›ืžื• ื™ื•ื ืงื™ื ืื—ืจื™ื,
12:01
sloths don't also waste time maintaining a constant warm body temperature.
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ื”ืขืฆืœื ืื™ื ืœื ืžื‘ื–ื‘ื–ื™ื ื–ืžืŸ ื‘ืฉืžื™ืจื” ืขืœ ื˜ืžืคืจื˜ื•ืจืช ื’ื•ืฃ ื—ืžื” ื•ืงื‘ื•ืขื”.
12:06
Energy from the sun is free,
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ื”ืื ืจื’ื™ื” ืžื”ืฉืžืฉ ื”ื™ื ื—ื™ื ื,
12:08
so they bask in the sun like lizards
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ืื– ื”ื ืžืฉืชื–ืคื™ื ื‘ืฉืžืฉ ื›ืžื• ืœื˜ืื•ืช
12:10
and wear an unusually thick coat for the tropics to keep that heat in.
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ื•ืขื•ื˜ื™ื ืคืจื•ื•ื” ืขื‘ื” ื‘ืื•ืคืŸ ืœื ืจื’ื™ืœ ืœืื–ื•ืจื™ื ื”ื˜ืจื•ืคื™ื™ื ื›ื“ื™ ืœืฉืžื•ืจ ืขืœ ื”ื—ื•ื ื”ื–ื”.
12:15
Sloths have a freakishly low metabolism.
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ืœืขืฆืœื ืื™ื ื™ืฉ ืžื˜ื‘ื•ืœื™ื–ื ื ืžื•ืš ื‘ืื•ืคืŸ ืงื™ืฆื•ื ื™.
12:19
And we think that this might be one of the reasons
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ื•ืื ื—ื ื• ื—ื•ืฉื‘ื™ื ืฉื–ื• ื™ื›ื•ืœื” ืœื”ื™ื•ืช ืื—ืช ื”ืกื™ื‘ื•ืช
12:22
that they can sometimes recover from injuries
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ื‘ื’ืœืœื” ื”ื ืœืคืขืžื™ื ื™ื›ื•ืœื™ื ืœื”ื—ืœื™ื ืžืคืฆื™ืขื•ืช
12:24
that would kill most animals.
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ืฉื”ื™ื• ื”ื•ืจื’ื•ืช ืืช ืจื•ื‘ ื‘ืขืœื™ ื”ื—ื™ื™ื.
12:27
This sloth recovered from a double amputation,
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ื”ืขืฆืœื ืื™ ื”ื–ื” ื”ื—ืœื™ื ืžื›ืจื™ืชื” ื›ืคื•ืœื”,
12:30
and I've known sloths that have managed to survive
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ื•ื”ื›ืจืชื™ ืขืฆืœื ืื™ื ืฉื”ืฆืœื™ื—ื• ืœืฉืจื•ื“
12:34
even power line electrocutions.
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ืืคื™ืœื• ื”ืชื—ืฉืžืœื•ื™ื•ืช ืžืงื•ื•ื™ ืžืชื— ื’ื‘ื•ื”.
12:36
And we now think that a low metabolism may well be key to surviving extinction.
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ื•ืื ื—ื ื• ื”ื™ื•ื ื—ื•ืฉื‘ื™ื ืฉืžื˜ื‘ื•ืœื™ื–ื ื ืžื•ืš ื™ื›ื•ืœ ืœื”ื™ื•ืช ื”ืžืคืชื— ืœื›ืš ืฉื”ื ืขื•ื“ ืœื ื ื›ื—ื“ื•.
12:42
Researchers at Kansas University who were studying mollusks
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ื—ื•ืงืจื™ื ื‘ืื•ื ื™ื‘ืจืกื™ื˜ืช ืงื ื–ืก ื”ื—ื•ืงืจื™ื ืจื›ื™ื›ื•ืช
12:46
found that a high metabolism predicted which species of mollusk
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ื’ื™ืœื• ืฉืžื˜ื‘ื•ืœื™ื–ื ื’ื‘ื•ื” ื—ื–ื” ืื™ื–ื” ืžื™ืŸ ืฉืœ ืจื›ื™ื›ื•ืช
12:50
had gone extinct.
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ื™ื™ื›ื—ื“.
12:53
Sloths have been around on this planet in one shape or another
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ื”ืขืฆืœื ืื™ื ื—ื™ื™ื ืขืœ ืคื ื™ ื”ืื“ืžื” ื‘ืฆื•ืจื” ื›ื–ื• ืื• ืื—ืจืช
12:56
for over 40 million years.
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ื›ื‘ืจ ืžืขืœ ืœ40 ืžื™ืœื™ื•ืŸ ืฉื ื™ื.
12:59
The secret to their success is their slothful nature.
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ื”ืกื•ื“ ืœื”ืฆืœื—ืชื ื”ื•ื ืื•ืคื™ื™ื ื”ืขืฆืœื ืื™.
13:04
They are energy-saving icons.
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ื”ื ื“ืžื•ืช ืœื—ื™ืงื•ื™ ืœื—ืกื›ื•ืŸ ื‘ืื ืจื’ื™ื”.
13:09
And I founded the Sloth Appreciation Society
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ื•ืื ื™ ื”ืงืžืชื™ ืืช ื”ื—ื‘ืจื” ืœื”ืขืจื›ืช ื”ืขืฆืœื ืื™
13:11
to both promote and protect their slow, steady, sustainable lives.
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ืœืงื™ื“ื•ื ื•ื”ื’ื ืช ื—ื™ื™ื”ื ื”ืื™ื˜ื™ื™ื, ื”ืงื‘ื•ืขื™ื ื•ื‘ืจื™ ื”ืงื™ื™ืžื.
13:18
I'm a pretty speedy character.
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ืื ื™ ืื“ื ื“ื™ ืžื”ื™ืจ.
13:21
I'm sure you've guessed.
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ืื ื™ ื‘ื˜ื•ื—ื” ืฉื›ื‘ืจ ืงืœื˜ืชื ืืช ื–ื”.
13:22
And the sloths have taught me a lot about slowing down.
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ื•ื”ืขืฆืœื ืื™ื ืœื™ืžื“ื• ืื•ืชื™ ื”ืจื‘ื” ืขืœ ื”ืื˜ื”.
13:26
And I think that the planet would benefit
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ื•ืื ื™ ื—ื•ืฉื‘ืช ืฉื›ื“ื•ืจ ื”ืืจืฅ ื™ืจื•ื•ื™ื—
13:29
if we all took a slowly digested leaf out of their book.
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ืื ื›ื•ืœื ื• ื ืขืชื™ืง ื“ืฃ ืœืขื™ื›ื•ืœ ืื™ื˜ื™ ืžื”ืกืคืจ ืฉืœื”ื.
13:34
How about we all embrace our inner sloth
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ืื•ืœื™ ื›ื•ืœื ื• ื™ื›ื•ืœื™ื ื ืืžืฅ ืืช ื”ืขืฆืœื ืื™ ื”ืคื ื™ืžื™ ืฉืœื ื•
13:38
by slowing down,
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ืขืœ ื™ื“ื™ ื”ืื˜ื”,
13:40
being more mindful,
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ืœื”ื™ื•ืช ื™ื•ืชืจ ืžื•ื“ืขื™ื,
13:41
reducing wasteful convenience,
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ืœื”ืคื—ื™ืช ืืช ื”ื ื•ื—ื•ืช ื”ื‘ื–ื‘ื–ื ื™ืช,
13:44
being economical with our energy,
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ื•ืœื”ื™ื•ืช ื—ืกื›ื ื™ื ื‘ืื ืจื’ื™ื” ืฉืœื ื•,
13:47
recycling creatively
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ืœืžื—ื–ืจ ื‘ืื•ืคืŸ ื™ืฆื™ืจืชื™
13:49
and reconnecting with nature.
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ื•ืœื”ืชื—ื‘ืจ ืžื—ื“ืฉ ืขื ื”ื˜ื‘ืข.
13:52
Otherwise, I fear,
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ืื—ืจืช, ืื ื™ ื—ื•ืฉืฉืช,
13:55
it will be us humans that turn out to be
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ืฉื ื’ืœื” ืฉืื ื—ื ื•, ื‘ื ื™ ื”ืื“ื ื”ืคื›ื ื• ืœื”ื™ื•ืช
13:58
"the stupidest animals that can be found in the world."
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"ื‘ืขืœื™ ื”ื—ื™ื™ื ื”ื˜ืคืฉื™ื ื‘ื™ื•ืชืจ ื‘ื ืžืฆื ื‘ืขื•ืœื".
14:03
Thank you very much.
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ืชื•ื“ื” ืจื‘ื” ืžืื•ื“.
14:05
May the sloth be with you!
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ืฉื”ืขืฆืœื ืื™ ื™ื”ื™ื” ืืชื›ื!
14:06
(Applause)
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(ืžื—ื™ืื•ืช ื›ืคื™ื™ื)
ืขืœ ืืชืจ ื–ื”

ืืชืจ ื–ื” ื™ืฆื™ื’ ื‘ืคื ื™ื›ื ืกืจื˜ื•ื ื™ YouTube ื”ืžื•ืขื™ืœื™ื ืœืœื™ืžื•ื“ ืื ื’ืœื™ืช. ืชื•ื›ืœื• ืœืจืื•ืช ืฉื™ืขื•ืจื™ ืื ื’ืœื™ืช ื”ืžื•ืขื‘ืจื™ื ืขืœ ื™ื“ื™ ืžื•ืจื™ื ืžื”ืฉื•ืจื” ื”ืจืืฉื•ื ื” ืžืจื—ื‘ื™ ื”ืขื•ืœื. ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ื”ืžื•ืฆื’ื•ืช ื‘ื›ืœ ื“ืฃ ื•ื™ื“ืื• ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ ืžืฉื. ื”ื›ืชื•ื‘ื™ื•ืช ื’ื•ืœืœื•ืช ื‘ืกื ื›ืจื•ืŸ ืขื ื”ืคืขืœืช ื”ื•ื•ื™ื“ืื•. ืื ื™ืฉ ืœืš ื”ืขืจื•ืช ืื• ื‘ืงืฉื•ืช, ืื ื ืฆื•ืจ ืื™ืชื ื• ืงืฉืจ ื‘ืืžืฆืขื•ืช ื˜ื•ืคืก ื™ืฆื™ืจืช ืงืฉืจ ื–ื”.

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