04:10

What Alaska doesn’t have receives every year from the sea

03:15

The moose, the most dangerous animal of all

02:21

The grizzly bear awakes from its winter sleep

03:08

The melting of the ice in Alaska: the beginning of life

01:58

Alaska: the land that’s never been trodden by men

02:17

Salmon: the seed of Alaska’s future generations

04:45

The myth of the great white shark as a human eater

04:49

The Great White Shark's favorite meal

02:13

Giants of the sea

02:44

Sea snakes, venomous killers

03:17

The coral reef and the animals it hides

02:59

Wild dolphins and humans have a great friendship

02:53

The bacteria responsible for life on earth

02:00

The struggle to conquest Australia through time

01:25

Seadragons, the kings of camouflage

03:31

The Australian seaweed

02:04

Seabird excrement helps the fish population survive

01:26

The creation of Australia

03:33

A real king

02:32

One more winter in the life of a bull

02:14

Adult bulls drink 30 litres of water a day

01:37

Beetles aren´t the only ones to benefit from the dung

02:01

Beetles, pioneers in recycling material

04:44

Last days by a mother´s side

01:28

Snails grazing in their own way

02:32

The cattle egrets, an intelligent relief for the bulls

02:38

A Fly Factory

01:18

The water cycle turns everything upside-down

01:53

The first hours of a bull life

03:55

The bull's role in the reproductive process

02:02

The Miracle of Birth

02:37

The salmon spawning

05:04

Facing the greatest obstacle: the waterfall

06:04

When fishing becomes a game

04:04

Returning to the origins, the salmon´s cycle of life

03:03

In the land of bears, an adult male is always dangerous

01:44

The time of abundance has finally arrived

02:38

The return of the salmon

03:45

Orcas go first

02:14

Sea otters favourite posture

03:04

Waiting for the salmon to arrive

01:20

The problem of the leaf-eating caterpillars

02:15

Female mooses protecting their youngs

01:47

The growth of the grizzly bear

02:09

The manatee and its army of fish

02:43

Catching invertebrates among the floating vegetation

02:45

The blind fish of the deep Cuban covens

01:33

The dangers of the water

02:43

The predators of the hutia

02:41

The breeding season of the crocodile (Part 2/2)

02:26

The breeding season of the crocodile (Part 1/2)

02:03

The Cuban crocodile

02:09

Jellyfish and other species of the mangrove

02:03

The mangrove´s incredible method of reproduction

02:30

A land dominated by lizards

02:43

Cuba's endemic bird species

01:44

The mangrove forests

01:36

The Cuban hutia

01:16

Buried beneath the sand

03:06

Cuba´s coral reef, a explosion of biodiversity