Mommy, a nearly 100-year-old Galapagos tortoises, and parent of four hatchlings is seen in her enclosure at the Philadelphia ...

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

Find out what the five common bird life stages mean and see how robins and other baby birds look as fledglings, nestlings and ...

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