Up Next
Back to Show
Nature
Why are Orcas Known as the “Wolves of the Sea”?
Orcas have a special way of hunting herring, through a quick turn and their powerful tails sending shockwaves through the water to stun the fish. Large shoals of herring gather in the winter months, and it’s not just orcas that take advantage of the feast.
Support Provided By
52:58
Discover how cats first crossed from Asia into North America and became the top predators.
53:29
Discover how the first cats arose in the forests of Asia and later came to conquer Africa.
Unlock with PBS Passport
52:55
Animals congregate in huge colonies partly out of necessity and partly for the security.
Unlock with PBS Passport
52:55
Finding a good base of operations is key to successfully raising a family.
Unlock with PBS Passport
52:55
The first in a three-part series about how animals build their remarkable homes.
Unlock with PBS Passport
52:58
A biologist crosses the species divide and becomes part of a wild mule deer family.
52:58
Zebras embark on a mass migration from the saltpans of Botswana in search of water.
52:59
The mysterious eel is found all over the globe, in fresh and salt water ecosystems alike.