Baby Dolphin Deaths Linked To Oil Spill

New study focuses on high mortality rate of dolphin fetuses and babies in the wake of the massive 2010 Gulf spill.

Missing For 9 Years, Ahmed The Elephant Returns

Long considered dead, a great mellow bull reappears at Andrea Turkalo’s study site in the Dzanga Bai.

New study shows that brown skuas, already known to steal seal milk, also recognize and attack nest-invading humans.

With just 50 of their kind left, Asiatic cheetahs find an ally in legendary field biologist George Schaller.

The fighting spirit of a greater one-horned rhino, who was translocated days ago, illustrates what’s going right for the species.

Ecologists surveying the platypus population in Melbourne’s waterways identify a 21-year-old male first tagged in the 1990s.

New scans of an old specimen indicate that the extinct birds were probably at least as clever as pigeons.

Newly released photos from the Bronx Zoo Archives include an intriguing portrait of Sultan, a Barbary lion.

Arizona biologists share the first video images of the only known jaguar in the US in hopes of saving him and his home.

In the Pacific Northwest, scientists are wondering why so many of one clan’s calves are turning out to be boys.