Here’s a frog species that’s thriving, but unfortunately so much so that it’s threatening other amphibian species. As the story mentions, “It’s a frog eat frog world.” Click below for the story out of Canada — that the American bullfrog is one of the world’s 100 most invasive species. Parental warning: the story is a little gruesome:

Culling Kermit, One Zap at a Time (story)