Invasive American Bullfrog at Home in Yellowstone
2013 was a good year for the American bullfrog, an invasive species that has established itself in the Yellowstone River floodplain.
Small Animals of Yellowstone National Park
In Yellowstone, you’ll see tiny critters such as frogs, snakes, otters, and marmots. Learn about the habits of these often overlooked animals.
Snakes in Yellowstone
Five types of snakes can be found in Yellowstone - the rattlesnake being the only venomous one.
Yellowstone River Otters
If you’re lucky in Yellowstone National Park, you’ll get a chance to see one of the park’s most playful inhabitants: the Yellowstone river otter.
