For the second summer, hundreds of rattlesnakes in a Colorado "mega den" will be livestreamed as part of Project RattleCam.

As many as 2,000 rattlesnakes spend the winter in the den that is livestreamed from Colorado. Here's how to watch.

The den is located on undisclosed private property in Colorado, where hundreds of rattlesnakes are expected to emerge in May, according to Owen Bachhuber, a California Polytechnic State University ...

A Colorado rattlesnake den's emergence from hibernation is being livestreamed by Project RattleCam. The den's location is kept secret to protect the snakes, but viewers can watch hundreds emerge ...