American Bullfrog
ExploreAmphibians
American Bullfrog
Lithobates catesbeianus
The American Bullfrog is a big, green frog that loves to jump around! They are known for their loud croaking sounds.
Habitat: Ponds, lakes, and marshes
Appearance
The American Bullfrog has a large, sturdy body, usually olive-green or brownish on top with a pale white belly. It features prominent large eardrums behind its eyes and lacks ridges down its back, making it appear smooth.
KingdomAnimaliaPhylumChordataClassAmphibiaOrderAnuraFamilyRanidaeGenusLithobates
Category
AmphibiansRarity
Common
Danger
2/5 · Low
Snaps
306
Interesting facts
A bullfrog's tongue acts like super glue for catching food.
Bullfrogs eat almost anything that fits in their mouth.
Their powerful croak can sometimes be heard from a mile away!
They are the largest frog in all of North America!
Special abilities
Ability
Loud Croak
American Bullfrog has a deep, resonant "jug-o-rum" call that helps it attract mates and announce its territory.
Ability
Stealthy Hunter
American Bullfrog can perfectly blend into its aquatic surroundings because of its mottled green skin, helping it ambush prey.
Ability
Sticky Tongue Trap
American Bullfrog can flick out a long, sticky tongue with incredible speed to snatch insects and other small creatures.
Measurements & details
- Length
- 10-20 cm
- Weight
- 0.2-0.7 kg
- Lifespan
- 7-10 years
- Top Speed
- 8 km/h
- Clutch Size
- 1000-20000
- Metamorphosis
- 90-730 days
Diet & Feeding
These hungry amphibians eat almost anything smaller than themselves, from insects to other frogs!
Age differences: Tadpoles primarily eat algae and detritus; adults are carnivorous hunters.
Primary Foods
- insects
- crayfish
- small fish
- other frogs
- small snakes
- mice
Foraging Method
- Ambush
Ecological connections
eaten by
Great Blue Heron
Ardea herodias
Herons hunt adult bullfrogs
eaten by
Northern Water Snake
Nerodia sipedon
Water snakes prey on frogs
eats
Green Darner
Anax junius
Bullfrogs snatch flying dragonflies
eats
Mosquitofish
Gambusia affinis
Bullfrogs consume small fish
Traits
Wildlife
Wildlife encompasses all undomesticated animal and plant life existing in their natural habitats.
Webbed Feet
Characterized by having toes connected by a membrane, typically aiding in swimming.
Carnivorous
This trait identifies organisms whose diet consists entirely or primarily of animal tissue.
Freshwater
Freshwater habitats include non-saline aquatic environments such as rivers, lakes, ponds, and wetlands, vital for numerous species.
Nocturnal
Nocturnal animals are primarily active during the nighttime hours, typically resting or sleeping during the day.
Also known as
Bullfrog
Collections
Safety
Danger
2/5 · Low
Look but don’t touch. Keep a safe distance and wash hands after exploring.
Frequently Asked Questions
How to identify American Bullfrog?
The easiest way to identify American Bullfrog is to use the Snappit nature identifier app.
How long is American Bullfrog?
10-20 cm
How much does American Bullfrog weigh?
0.2-0.7 kg
How long does American Bullfrog live?
7-10 years
How fast can American Bullfrog move?
8 km/h
What does American Bullfrog eat?
These hungry amphibians eat almost anything smaller than themselves, from insects to other frogs!
Where is American Bullfrog usually found?
Ponds, lakes, and marshes
How does American Bullfrog hunt?
Ambush
Snap Map
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Recent Snaps
Jun 18, 2026
E. E. Wilson Wildlife Areai
Photo attribution
no rights reserved
License: CC0 1.0 ↗
Image may be shown cropped inside the card frame.
Jun 6, 2026
Reeves-Reed Arboretumi
Photo attribution
(c) foxsu, some rights reserved (CC BY)
License: CC BY 4.0 ↗
Image may be shown cropped inside the card frame.
Jun 5, 2026
New York Botanical Gardeni
Photo attribution
(c) eml23, some rights reserved (CC BY)
License: CC BY 4.0 ↗
Image may be shown cropped inside the card frame.
Jun 5, 2026
New York Botanical Gardeni
Photo attribution
(c) eml23, some rights reserved (CC BY)
License: CC BY 4.0 ↗
Image may be shown cropped inside the card frame.
Jun 5, 2026
Curtis Hall Arboretumi
Photo attribution
(c) Andrew Conboy, some rights reserved (CC BY)
License: CC BY 4.0 ↗
Image may be shown cropped inside the card frame.
Where to spot
Park47 sightings50 species
New Jersey, US
Abbott Farm Historic District
You might spot Garlic Mustard, Sensitive Fern, and Common Mugwort.
View guide →
Park42 sightings50 species
Virginia, US
Albemarle and Chesapeake Canal
You might spot Cope's Gray Tree Frog and Basilica Orbweaver.
View guide →
Park44 sightings50 species
Massachusetts, US
Ames Nowell State Park
You might spot Eastern White Pine and Common Eastern Bumble Bee.
View guide →
Park36 sightings50 species
Rhode Island, US
Ashton Historic District
You might spot Common Mugwort, Duck, and Azure Bluet.
View guide →
Park48 sightings50 species
US
Cape Charles Historic District
You might spot Wharf Louse, Osprey, and Ruddy Turnstone.
View guide →
Park49 sightings50 species
Maine, US
Carriage Paths, Bridges and Gatehouses
You might spot American Bullfrog and Three-Toothed Cinquefoil.
View guide →
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