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American Bullfrog
Slow down and save a frog - The Boston Globe
Amphibians - Definition, Examples, Characteristics
American Bullfrogs - Bellwether Media, Inc.
Bullfrog - FrogWatch
Plumas National Forest - Home
Fish not biting? Go bullfrogging!
Bullfrog Life Cycle
Bullfrog
Amphibians - body, used, water, process, Earth, life
WISC - Washington Invasive Species Council
bullfrog.html
Creature Feature: American Bullfrog - Raritan Headwaters