Gladys, the 12-year-old gorilla, the Cincinnati Zoo announced Wednesday. “Gladys has been set up really well for being a ...

A White-necked Jacobin chick may use mimicry or camouflage to avoid predators, resembling a caterpillar with fluffy feathers.

"It is very rare." Experts thrilled as cameras capture newborn creatures high in jungle treetops: 'Seeing it reminded me of ...

In a rare moment, a two-toed sloth gave birth in front of visitors at a zoo in Minnesota. Sago, a Hoffman two-toed sloth, ...