Mammals

Only 35 Mount Graham squirrels remain in the wild, but five captive squirrels could hold the key to their long-term survival — if we can get them to breed.

A challenge from the reporter who blew the lid off of Thailand’s Tiger Temple and exposed illegal wildlife trafficking from a Buddhist monastery.

The trouble is, almost all animal populations today are facing increasing stress from changing environments.

This month brings us several great new books for the dedicated environmentalists on your holiday shopping list.

The bushmeat trade and traditional medicine could push tigers, chimpanzees, pangolins and hundreds of other species toward extinction

Wolves and polar bears are great, but so are bats, fish, plants and invertebrates (among others worthy of our attention).

Since it first turned up in 2007, white-nose syndrome has killed millions of bats — and it’s not done yet.

Artist Ralph Steadman and writer Ceri Levy make us laugh while worrying about extinction.

Populations of the once-common bonnet macaque have fallen 65 percent.

Extensive searches for this tiny microbat have failed to locate any survivors. The exact cause of its extinction remains unknown.