When discussing some of the world's rarest animals, our typical first thought is about endangered animal campaigns ... but on the whole, it's an uphill battle. For example, the world's rarest ...

We have the biggest species of chameleon in the world called ... a representation of a whole animal, The more genes you include, usually the better. You can even get the entire DNA sequence ...

DENVER (KDVR) — One of the world’s rarest equids was born at the Denver ... opportunities she represents for our program,” Lead Animal Care Specialist Megan Grady said.

Mana whenua and scientists are examining the rarest whale in the world for the first time ever. As van Helden tells Eva Corlett of the Guardian, “We’re working around a dead animal ...

The entire world’s population of Przewalski’s horses ... Daniel Brenner for The New York Times Supported by By Sarah Maslin Nir The animal that arrived at Hannah Huckabay’s barn this past ...

What is the rarest animal in the world? See the list of top 10 most endangered species. According to the Smithsonian National Zoo and Conservation Biology Institute, western lowland gorillas are ...