Back to Show
Nature
Tool-Using Macaques Could Drive Shellfish Extinct
On Koram Island, beach-combing long-tailed macaques have developed impressive tool-using skills, which are having some surprising consequences. If these monkeys continue to over-harvest their environment, the shellfish could disappear. This is the first reported case of a tool-using animal, other than humans, overexploiting a natural resource.
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.