Such herds rival the Serengeti’s teeming masses of wildebeests for the title of the world’s most massive—and awe-inspiring—mammal migration. Dry season finds the Sudd’s white-eared kob ...

The Great Nile Migration in South Sudan is the largest overland mammal migration on Earth, surpassing even the famous ...

For more than 140 years, Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery. What little was known about them had been mostly ...

a charity dedicated to the care and protection of the rare marine mammal whose population had dwindled so dramatically that at one point it faced extinction. Thanks to conservation efforts ...