A “mega den” of hundreds of rattlesnakes in Colorado is getting even bigger now that late summer is here and babies are being born. Thanks to livestream video, scientists studying the den on a craggy ...

Rattlesnakes are most active in the warmer months and give birth in the fall, experts say. Liz Dufour/The Enquirer USA TODAY NETWORK Are you noticing more rattlesnakes? It’s baby rattlesnake season in ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. CHEYENNE, Wyo. — A “mega den” of hundreds of rattlesnakes in Colorado is getting even bigger now that late summer is here and ...

CHEYENNE, Wyo. — A “mega den” of hundreds of rattlesnakes in Colorado is getting even bigger now that late summer is here and babies are being born. Thanks to livestream video, scientists studying the ...

The live feed, which draws as many as 500 people at a time online, on Thursday showed a tangle of baby snakes with tiny nubs for rattles. They have a lot of growing to do: A rattlesnake adds a rattle ...