Project collaborator Héctor Franz-Chávez searching for rattlesnakes on Isla San José, Baja California Sur, Mexico. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news ...

On remote islands in the Gulf of California, scientists uncovered a surprising twist in rattlesnake evolution: simpler venom ...

A longstanding theory in evolutionary biology is that venomous predators like rattlesnakes often develop complex venoms in ...

Red Diamond Rattlesnake (Crotalus ruber) from Isla San Jose, Baja California Sur, Mexico. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!