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No Two Radiated Tortoises Are Alike

No Two Radiated Tortoises Are Alike

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1:16
Growing Up as a Radiated Tortoise

Growing Up as a Radiated Tortoise

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0:48
Hummingbird Rescue: Baby Twins

Hummingbird Rescue: Baby Twins

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2:18
A Hummingbird Love Story

A Hummingbird Love Story

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1:43
Meet the Chameleons of Madagascar

Meet the Chameleons of Madagascar

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1:37
The Weird Way Walruses Eat With Their Tongue

The Weird Way Walruses Eat With Their Tongue

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2:44
What is the Arctic Death Spiral?

What is the Arctic Death Spiral?

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2:42
This Tiny Walrus Will Melt Your Heart

This Tiny Walrus Will Melt Your Heart

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2:48
Mountain Lion vs. Elk: Rare Hunt Caught on Camera

Mountain Lion vs. Elk: Rare Hunt Caught on Camera

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2:54
Caught on Camera: Mother Hunts Elk to Feed Six Kittens

Caught on Camera: Mother Hunts Elk to Feed Six Kittens

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3:17
Pigeon Dating Rituals: The Strut, The Coo… and The Kiss

Pigeon Dating Rituals: The Strut, The Coo… and The Kiss

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3:26
Pigeon Gangs of New York: 5th Ave vs. Central Park

Pigeon Gangs of New York: 5th Ave vs. Central Park

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3:12
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Nature

Life-Saving Bridges For Sloths

Climb into the jungle canopy with Tamara Ávila Atagua as she builds life-saving bridges for sloths in Costa Rica.
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53:10
Season 28 Episode 3
Black Mamba
The black mamba is one of Africa's most dangerous and feared snakes.
Cloud: Challenge of the Stallions
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53:10
Season 28 Episode 1
Cloud: Challenge of the Stallions
The returning saga of Cloud, the wild stallion.
The Loneliest Animals
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50:01
Season 27 Episode 11
The Loneliest Animals
The loneliest animals are the most endangered species on the planet.
Frogs: The Thin Green Line
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53:43
Season 27 Episode 10
Frogs: The Thin Green Line
It is the greatest mass extinction since the dinosaurs.
Kilauea: Mountain of Fire
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54:06
Season 27 Episode 9
Kilauea: Mountain of Fire
Kilauea, on Hawaii's Big Island, is the world's most active volcano.
Why We Love Cats and Dogs
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53:30
Season 27 Episode 8
Why We Love Cats and Dogs
Relationships with cats and dogs are some of the longest and most intimate of our lives.
Drakensberg: Barrier of Spears
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53:47
Season 27 Episode 7
Drakensberg: Barrier of Spears
In the Drakensberg Mountains of South Africa, eland make a remarkable journey of survival.
Is That Skunk?
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53:23
Season 27 Episode 6
Is That Skunk?
Skunks seem to know their power as they navigate the margins of our world.
The Dragon Chronicles
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52:55
Season 27 Episode 5
The Dragon Chronicles
Ancient maps and legends tell of dragons in our world. Where did these stories come from?
The Wolf That Changed America
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51:14
Season 27 Episode 4
The Wolf That Changed America
In 1893, a bounty hunter journeyed to New Mexico on a mission to kill a dangerous outlaw.
What Males Will Do
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53:35
Season 26 Episode 10
What Males Will Do
Male animals will stop at nothing for the right to mate with a female.
What Females Want
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53:35
Season 26 Episode 9
What Females Want
The behavior of female animals.
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