bullfrog

Table of Contents

Introduction References & Edit History Quick Facts & Related Topics

Images & Videos

bullfrog on lilypad

Witness the bullfrog's powerful action, generated by its hind legs, as it jumps through a field

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bullfrog: References & Edit History

More Articles On This Topic

Assorted References

aggressive behaviour
- In frog and toad: Breeding behaviour
animal social behaviour and dominance
- In animal social behaviour: Dominance
hearing
- In sound reception: Auditory sensitivity of amphibians
use in study of sleep
- In sleep: The nature of sleep

Article Contributors

Primary Contributors

The Editors of Encyclopaedia Britannica

Other Encyclopedia Britannica Contributors

Article History

Type	Description	Contributor	Date
	Invalidated site: National Geographic - Animals - American Bullfrog.	Emily Rodriguez	May 31, 2021
	Add new Web site: BioKIDS - American Bullfrog.	Gloria Lotha	May 30, 2021
	Add new Web site: BC Parks - Bullfrog.	Grace Young	Nov 22, 2013
	Add new Web site: SeaWorld - North American Bullfrog.	Grace Young	Nov 22, 2013
	Add new Web site: Minnesota Department of Natural Resources - Bullfrog.	Grace Young	Nov 22, 2013
	Add new Web site: Fairfax County Public Schools - Bullfrog.	Grace Young	Nov 22, 2013
	Add new Web site: Ohio Department of Natural Resources - Bullfrog.	Grace Young	Nov 22, 2013
	Add new Web site: Michigon Department of Natural Resources - Bullfrog.	Grace Young	Nov 22, 2013
	Add new Web site: National Aquarium in Baltimore - American Bullfrog.	Grace Young	Nov 22, 2013
	Add new Web site: Amphibians and Reptiles of North Carolina - Bullfrog.	Grace Young	Nov 22, 2013
	Added picture of bullfrog.	Richard Pallardy	Dec 14, 2009
	Added new Web site: National Geographic Kids - American Bullfrog.	Shiveta Singh	May 12, 2009
	Added new Web site: National Geographic - Animals - American Bullfrog.	Gloria Lotha	Aug 26, 2008
	Media added.	Michael Ray	Feb 18, 2008
	Added new Web site: eNature.com - American Bullfrog.	Gloria Lotha	Feb 12, 2008
	Article revised and updated.	John P. Rafferty	Dec 04, 2007
	Added new Web site: Animal Diversity Web - Lithobates catesbeianus.	Gloria Lotha	May 31, 2006
	Article revised.	The Editors of Encyclopaedia Britannica	May 27, 1999
	Article added to new online database.	The Editors of Encyclopaedia Britannica	Jul 20, 1998