See how veterinarians are giving the animals a second chance.

Get to know this large marine mammal.

Both male and female Bighorn sheep have horns, but only the males' continue to grow as they get older.

We're all familiar with the bald eagle, but the golden eagle is just as cool.

See Monroe having the time of his life at his 2nd birthday party.. zipping around the grounds, eating popcorn, and wrestling with his buddy Frank.

Learn about efforts to re-establish this critically endangered amphibian back into southern California.

They're pretty much the ninjas of the lizard world.

At only 2 and 3 weeks old, these bighorn sheep lambs are having a total blast while exploring their new surroundings together.

The Pacific pocket mouse is the smallest mouse species in North America.

Naturally, queens are entitled to their own space. So Coretta took it upon herself to claim an entire portion of the exhibit.

The Attwater's Prairie-Chicken may be the most endangered bird in North America, with very few left in the wild, but a conservation program at the Houston Zoo is working hard to ensure they don't go extinct.

Get to know this large marine mammal.

Cute, cuddly red panda cub, Oolong, was born at about half the weight of a typical cub. Doctors soon realized his diagnosis of hyperthyroidism would mean lots of extra care and special treatment for his development.

Minnesota Zoo's Trista Fischer reveals five things you should know about moose.

It's a common misconception that leaf cutter ants eat leaves - but what they're really after is something else entirely.

We're all familiar with the bald eagle, but the golden eagle is just as cool.

The Attwater's Prairie-Chicken may be the most endangered bird in North America, with very few left in the wild, but a conservation program at the Houston Zoo is working hard to ensure they don't go extinct.

See the first release of tadpoles back into the wild.

Learn why, and more amazing facts about this unique species.

How zookeepers select pairs for breeding to then release the eggs into the wild.

See how veterinarians are giving the animals a second chance.

Learn all about the largest, weirdest-looking slugs in North America.

The Pacific pocket mouse is the smallest mouse species in North America.

You may not have ants in your pants like San Diego Zoo's Chris Mooney, but if you live in certain parts of the world, you may have leaf cutter ants in your backyard.