In this photo provided by Cory Kerewaro, red-belly black snakes are contained in a bucket after 102 of the reptiles were captured from a suburban Sydney yard, on Jan. 31, 2025. (Cory Kerewaro via ...

Each spring, the Narcisse Snake Dens in Manitoba host the world's largest gathering of red-sided garter snakes. The snakes emerge from limestone dens and engage in mating rituals.

They handed over two rattlesnakes, which he corralled into a bucket and put in the back seat of his car. As the college professor drove back toward his lab, he noticed the snakes sounded oddly quiet.