Amphibian Awareness Week: Green Frog and American Bullfrog

Kansas Herpetofaunal Atlas

Safari Ltd. American Bullfrog Figurine - Realistic

Bullfrog eradication planned for Cache Creek Conservancy – Daily

National Frog Jumping Day - Procyon Wildlife

American Bullfrog National Geographic

WCLT - Nature Notes 9/7/2007 - Bullfrogs in our ponds

National Aquarium - American Bullfrog

Finding Frogs – Coastal Rivers Conservation Trust

Citizen Science Archives - Page 9 of 19 - Loudoun Wildlife Conservancy

American Bullfrog Squam Lakes Natural Science Center

Frogs, Phones and Other Acoustic Invaders - The New York Times