4 - 5 Single Bullfrog

African Bullfrog or Pac Man Horned Frog: Choosing the Best Frog Pet

Bullfrog Animal Facts Lithobates catesbeianus - A-Z Animals

Learn All About Bullfrogs, Our Biggest Frog Friend

Paint a Stunning Bullfrog With Watercolor and Colored Pencils

American Bullfrog - Montana Field Guide

American Bullfrog (Incredible Creatures by Safari Ltd.) – Animal Toy Blog

JoF, Free Full-Text

The enemy within: consequences of the invasive bullfrog on native anuran populations

Extra-large 4.5 to 5.5 Plain Grass Frog

American Bullfrog Facts - NatureMapping

Utah has an invasive bullfrog problem, so the DWR wants you to eat them

American Bullfrog Missouri Department of Conservation

The Bullfrog Control Dilemma

American Bullfrog (Rana catesbeiana) - Indiana Herp Atlas