Great BIG Nature - A Mating Ball! Come spring-time, piles of Garter snakes emerge from their den. Males are ready to mate after their second hibernation, while females mate after three years.
![Mating ball of garter snakes caught on campus | Colorado Arts and Sciences Magazine | University of Colorado Boulder Mating ball of garter snakes caught on campus | Colorado Arts and Sciences Magazine | University of Colorado Boulder](https://www.colorado.edu/asmagazine/sites/default/files/styles/medium/public/article-thumbnail/garter_snake_mating_ball_2.jpg?itok=nJb0zE3T)
Mating ball of garter snakes caught on campus | Colorado Arts and Sciences Magazine | University of Colorado Boulder
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