They are found in the eastern part of Southern Canada and the U.S. through the Midwest to the Rocky Mountains and south to Mexico.
They live in marshes, lakes, ponds and streams. They are usually found among the cattails or other water plants.
They are the largest frogs in the U.S., reaching up to 8" long. They are olive-green to brown in color with darker spots on their backs and legs. They have large eardrums (tympanic membranes) behind their eyes. Their eardrum is bigger than their eye in males and the same size as their eye in females.
They live in the water, sitting with just their eyes and nostrils above the surface. They are often among the plant life that grows out of the water near the edges of ponds and lakes.
They will eat anything they can fit in their large mouths, including baby ducks, snakes, turtles, bats, other frogs, insects and fish.
They are eaten as tadpoles by every other meat-eating animal in or on the pond, including snapping turtles, herons and raccoons.
Males call to attract a mate and mark their territory. One female can lay thousands of eggs in a jelly mass in shallow water. The tadpoles are very large and spotted.
Species: Rana catesbeiana
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Amsel, Sheri. "Frog (Bullfrog)" Exploring Nature Educational Resource ©2005-2019. July 19, 2019
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