It turned out to be a first-of-its-kind sighting. Álvaro Monter-Pozos, a biologist and nature photographer, ventured up Mount Tláloc on the outskirts of Mexico City on a night h ...

A night hiker outside Mexico City encountered a baby rattlesnake in a first-of-its-kind sighting for the region, a study said and photos show. Screengrab from YouTube video shared by Ta- Paxkí As ...

Mexican small-headed rattlesnakes, scientifically known as Crotalus intermedius, are a “poorly known” species of venomous snake native to Mexico, researchers said. They are most active during ...