The Center for Biological Diversity has called on U.S. Fish and Wildlife to protect the Bendire's thrasher amid report on declining bird populations.

During summer, rattlesnakes typically hide out in brush, under rocks or in holes during the heat of the day and come out late ...

A video posted on Christopher Rutz' Instagram page displays an apparent face-off between a diamondback rattlesnake and a Gila monster. The reptiles can be seen staring at each other before the Gila ...

A group of fossils of elasmosaurs -- some of the most famous in North America -- have just been formally identified as belonging to a 'very odd' new genus of the sea monster, unlike any previously ...

The world’s largest snake, a new species of anaconda discovered in Ecuador’s Amazon, highlights both the power of indigenous ...