From rare mammals to exotic reptiles, these little ones not only capture hearts but also contribute to preserving species at risk of extinction.

The Metro Richmond Zoo has a brand-new member -- and you can help decide her name. On Dec. 9, just two weeks before Christmas, a baby pygmy hippo was born at the zoo in Richmond, Virginia.

Since it opened in 1909, this Texas zoo has been exposing Fort Worth residents and visitors to wildlife from around the world. When it first opened, the Fort Worth Zoo housed one lion, two bear ...