Bullfrogs are 3.5 to 6 inches long. They are dark brown, greenish gray, light olive or yellowish green. Bullfrogs have a large external eardrum; their feet are fully webbed except for the longest toe; and their belly is cream colored. Males have yellow throats during breeding season.
Bullfrogs make a “Brr-wum” sound slowly repeated at intervals of several minutes. It is a deep bass sound.
Anything it can swallow, including crayfish, insects, worms and snails. Large frogs will eat other frogs, small snakes, mice and birds.
Ponds, lakes, stock ponds, strip mine ponds, permanent marshes and backwaters of larger streams.
Permanent bodies of water.
May through July.
Eggs are deposited in a surface film containing 10,000 or more eggs. The egg mass may cover up to 5 square feet. Eggs hatch in two to five days.
Tadpoles are olive green with a white or cream belly, similar to green frog tadpoles. Most tadpoles overwinter and transform the next summer; some may take two years.
Rules & Regulations
- Bullfrog and green frog are regulated by hunting and fishing laws in Indiana. Game frogs may be taken anytime except between April 30 and June 15. The daily bag limit for game frogs is 25 (in aggregate). The possession limit is 50 for game frogs. Please refer to the Indiana Hunting & Trapping Guide or the Indiana Fishing Guide.
- Reptile and Amphibian Regulations.