Tuna, opah, and billfishes such as marlins and swordfish are among the 0.1% of fish species that are warm-blooded. Evidence ...

Scientists look inside the fossilized stomach contents of a massive dinosaur. And, why some birds listen for prairie dogs’ alarm calls.

In the vast tapestry of life on Earth, cold-blooded creatures represent some of the most fascinating and successful evolutionary stories. Unlike mammals and birds that maintain constant internal ...

Wolverine. Image via Depositphotos The Nile crocodile and Wolverine have vastly different behaviors and characteristics. Being a reptile, the Nile crocodile is cold-blooded and has a scaly exterior, ...

The incident should prompt a rethink of our approach to wild animals in captivity, and whether it’s right – or safe – to keep ...

MELBOURNE, Australia -- A woman has sustained severe injuries to an arm when she was attacked by a lion at an Australian zoo. The Darling Downs Zoo in Queensland state said the 50-year-old woman was ...

Ectotherms for the win While whales triumph as the longest-diving mammals and endotherms, or warm-blooded animals, big ectotherms have registered the longest-lasting dives of any species.

A zookeeper holds an armadillo, one of many animals that were housed at the Milwaukee County Zoo. The small mammals building is now set to close, because the space is outdated and no longer ...

Hemker Park and Zoo offers about 25 acres of animal exhibits, a playground and other family-friendly activities, like giraffe and rhino feeding, which can make for a fun summer activity close to ...

Staff at Columbia's Riverbanks Zoo have all sorts of tricks to keep animals like the gorillas, white rhinos, and lions cool during these hot summer months.