Bullfrog
Lithobates catesbeianus
Living individuals or members of this group exist today. This does not mean they are safe from extinction.
The American bullfrog is a large frog that waits near water for passing prey. Its tadpoles and adults use different food resources.

At a glance
- Location
- Native to eastern North America and introduced elsewhere, especially around ponds and other still water.
- Habitat
- Rivers and lakes, Wetlands
- Diet
- Carnivore
- Food
- Insects, worms, aquatic animals and small vertebrates.
Classification
- Common name
- Bullfrog
- Browse group
- Amphibians
- Scientific name or taxon
- Lithobates catesbeianus
- Taxon rank
- species
- Order
- Anura
- Family
- Ranidae
- Genus
- Lithobates
- Source classification
- Amphibia
Taxonomy checked against GBIF. For breeds and hybrids, this describes the listed parent taxon.
Measurements
Size and speed
- Length
- 9 to 15.2 cm typical adult length
Typical adult ranges. Source: Animal Diversity Web.
Three things to know
- Adults can eat smaller frogs.
- Tadpoles mainly graze on aquatic plants.
- The large eardrum is visible behind each eye.
Habitat and range
Native to eastern North America and introduced elsewhere, especially around ponds and other still water.
Appearance and adaptations
Body colour ranges from green to brown. Large external eardrums sit behind the eyes, and the hind feet are fully webbed.
Diet and behaviour
Adults ambush animals they can swallow, including other frogs. Tadpoles mostly graze on aquatic plants. Activity increases in warm, moist weather.
Sources
- Animal Diversity Web: Lithobates catesbeianus
- A–Z Animals: Bullfrog · Directory entry
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