Zoo CEO Evan Killeen said each animal has a temperature threshold. For example, colobus monkeys and lemurs, native to tropical climates, require cooling support at about 95 to 100 degrees. Humboldt ...

Goliath had been paired with several female tortoises before, in hopes of producing a hatchling, but the process wasn't ...

The mother of the tortoise hatchling is also pushing record numbers, with an age between 85 and 100 years old. “Sweet Pea” ...

The Denver Zoo welcomed a new member to the family recently, a rare African pancake tortoise that's so small she can fit in ...

MIAMI, Fla. (CBS12) — A South Florida zoo's oldest resident celebrated his 135th birthday and his first Father's Day on ...

A bottlenose dolphin at the Brookfield Zoo Chicago gave birth to a calf early Saturday morning with the help of a fellow mom.

The Philadelphia Zoo welcomed three new additions to its animal family this week after a group of male Western Santa Cruz Galapagos tortoises hatched. The boys join the Golden Girls — four ...

Two critically endangered, nearly 100-year-old Galapagos tortoises at the Philadelphia Zoo have become first-time parents. The pair welcomed four hatchlings, a first in its more than 150-year ...

Remember those four female tortoise hatchlings named after the Golden Girls at the Philadelphia Zoo? They now have three brothers! Anchor / Reporter ...

The Philadelphia Zoo says the hatchlings are "doing well." Four tortoise hatchlings born at the Philadelphia Zoo now have names. Over 13,000 people voted for the zoo's youngest stars to be named ...

The zoo announced that the four Western Santa Cruz Galapagos tortoises born in February have been named Dorothy, Rose, Blanche and Sophia after more than 13,000 people voted. A judge used Trump ...