Western diamondback rattlesnakes are a large species of pit viper that can grow to 2.1 meters (about 7 feet) long, though most are between 1.2 and 1.8 meters (4-6 feet) in length.

Rattlesnakes are some of the most unique yet feared animals in the world. They are famous for their iconic rattle on the end of their tail, which is used as a warning system. These rattles are made of ...

Wildlife biologist Ryan O’Donnell is pictured with a Western diamondback rattlesnake. A familiar rattlesnake slithered into a biologist’s campsite near a ghost town in Arizona.

An Arizona biologist encountered the same Western diamondback rattlesnake at a campsite 4 years apart near Signal ghost town. Learn about their reunion.

An Arizona biologist encountered the same Western diamondback rattlesnake at a campsite 4 years apart near Signal ghost town. Learn about their reunion.

An Arizona biologist encountered the same Western diamondback rattlesnake at a campsite 4 years apart near Signal ghost town. Learn about their reunion.

An Arizona biologist encountered the same Western diamondback rattlesnake at a campsite 4 years apart near Signal ghost town. Learn about their reunion.