Bullfrogs will eat anything that will fit in their mouths. Feed them insects, fish, and frozen (thawed) mice and rats. Be careful if feeding with your hands, as they have sharp teeth on the roof of their mouths.
Bullfrog
Rana catesbeiana
Summary: This is possibly the only local frog which is more common today than in presettlement times. Permanent bodies of water, including rivers, lakes, and farm ponds, are inhabited.
Bullfrog
Rana Catesbeiana
Listen to the Call
Distress call from a bullfrog being eaten by a watersnake ...
Bullfrog (Rana catesbeiana)
Description: To 8" or more in snout-vent length. Color green to near black, often with darker spots. Prominent fold of skin from behind eye extending around eardrum.
Bullfrog
Scientific Name: Lithobates catesbeianus
Size: 3.5-8 inches (5.7-11.4) in length
PA Status: Abundant ...
Bullfrog Facts
Kingdom:
Five groups that classify all living things...
Bullfrog
Rana catesbiana
New Florence, Missouri. Spring 1974.
North America's largest frog, and a top predator in many food chains. Bullfrogs eat anything that fits in their mouths, including other Bullfrogs, rodents, birds, turtles, and snakes.
Bullfrog
Related Category: Vertebrate Zoology
common name of the largest North American frog, Rana catesbeiana. Native to the E United States, this species has been successfully introduced in the West and in other parts of the world.
Bullfrog
Rana catesbeiana
by
Status Bullfrogs were listed as a species of Special Concern due to their limited natural range in Minnesota, however, natural populations have shown little fluctuation and there are now introduced populations.
Bullfrogs, unlike many other North American aurans, remain reproductively active throughout much of the summer. The breeding season, depending upon temperature, may extend from March through August.
Bullfrog
Rana catesbeiana
Description: One of the so-called "true frogs", Bullfrogs are usually green to greenish-brown. Sometimes, partoicularly when found in the South, they are spotted.
Bullfrogs begin to breed in wetlands, ponds, and shallow lakes between age four and eight. They breed later in the year than many other frogs. A female bullfrog may lay 2,000 to 25,000 eggs on the surface of the water after mating.
Bullfrogs inhabit lakes, rivers, and large ponds from southern Nova Scotia to southern Ontario.
Three main stages of life for a bullfrog: The male reproductive organs are the testes and their duct, and the female have ovaries. In the spring the male calls the female from the water.
Bullfrog (RealAudio sound sample)
The male's advertisment call is a series of loud, resonant bass notes sounding like "rumm, rumm, rumm," or else a stuttering "ru-u-u-umm, ...
Bullfrog
Notes on this species:
The genus Lithobates was split from Rana by Frost et al in 2006. Most references still use the long-established Rana catesbeiana for this species.
Bullfrog (Rana catesbeiana)
Photos by J.D. Willson unless otherwise noted
Hear call ...
African Bullfrog
Pyxicephalus adsperus
The African bullfrog is one of the largest frogs in Africa. It has a chubby round body and big broad head, with a large mouth.
African Bullfrog
Scientific name: Pyxicephalus adspersus
Family: Ranidae
Order: Anura
Class: Amphibia PHYSICAL CHARACTERISTICS: ...
Bullfrogs are the largest frogs in the Chicago Region growing to an average adult size of up to 6 inches (15.2 cm) although some individuals may be larger. They are usually plain, dark green or brownish green and do not have dorsolateral folds.
Bullfrogs are the largest frogs in North America, with an average length of 6'- 6 ½' and a weight of 2 ounces. Males are
larger than females. They get their name from their call that is more like a bellow than the croak of other frogs.
Bullfrogs are abundant in their native habitat and play an important role in insect control.
In places like California, where bullfrogs have been introduced by humans but do not occur naturally, bullfrog populations are sky-rocketing.
Bullfrog (Rana catesbeiana)
DESCRIPTION: Our largest frog, 3 to 8 inches long. Resembles the Green Frog, but lacks the fold of skin from the eardrum down each side of the back. Throat color is yellow in males, white in females.
Bullfrogs can leap as far as two meters (6 feet), or ten times their body length.
The American Bullfrog is an introduced species commonly found in many lakes.
A group of frogs is called an army.
Bullfrogs are typically green or gray-brown with brown spots and have easily identifiable circular eardrums, or tympanum, on either side of their heads.
The Bullfrog lives mainly in slow moving water or in marshy swamps. It likes warm, quiet areas with dense plants. During the winter it will create a muddy burrow and hibernate until the spring.
African Bullfrog Species Profile
The African bullfrogs, or pyxies, are not an overly active species, and captives do not require particularly large terraria.
American Bullfrog - Rana catesbeiana - Alien
Identification
Very large aquatic frog ...
American bullfrogs feed on a wide variety of animals: snakes, worms, insects, crustaceans, even bats! They are also known to eat their own kind, including tadpoles.
The African Bullfrog (Pyxiecephalus adspersus) is one of the largest frogs in Africa. Adult males may reach 9 inches or more (23 cm). Females are much smaller. In nearly all species of frogs, the female is larger than the male.
The African bullfrog female can produce 3,000-4,000 eggs that will develop into tadpoles in just two days!
Member Visitor Tips
Viewing Hints ...
North American bullfrogs are capable of leaping 1 to 2 m (3-6 ft).
2.
North American bullfrogs are territorial and protect their territories by calls, displays, chases, jump attacks, and even wrestling.
Included in the Vault are images of: Tadpoles, African Bullfrog (Pyxicephalus adspersus) Ranidae, African Clawed Frog (Xenopis laevis), Albino Frogs, Asian Tree Frog (Pedostibes hosei) Bufonidae, Black Legged Poison Frog (Phyllobates bicolor), ...
Bullfrog
(Rana catesbeiana)
DESCRIPTION: 3 1/2 to 6 inches. Is our largest frog, From above they are plain or nearly plain green, or with a netlike pattern of gray or brown. Venter often whitish or with gray or with a yellowish wash.
Bullfrog - Rana catesbeiana
Description: 3 ½ - 8" (9-20 cm). The largest frog in North America. Color is light to dark shades of green, often with mottled brownish spots. Belly is creamy white. Large external tympanum.
Bullfrogs do well with changes in the environment that have occured due to human modification, and are becoming increasingly common in areas modified by humans.
Bullfrogs are the most aquatic frog found in Rhode Island. They may breed in the same water body that they overwinter or move to a different wetland (Howard 1978).
Bullfrog, American (Lithobates
catesbeianus)
Frog, Green (Lithobates
clamitans)
Frog, Wood (Lithobates
sylvaticus)
Frog, Leopard (Lithobates pipiens)
Frog, Pickerel (Lithobates palustris)
Peeper, Spring (Pseudacris crucifer) ...
Bullfrog,
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Three-toed Box Turtle, and ...
Bullfrog, Rana catesbeiana
This is our largest frog. Both males and females average 4 ¾ inches in length (Hulse, 2001). They will consume whatever fits into their mouth, which has a considerable gape.
A bullfrog has moved into yards three and four. We are hearing its loud, bass-level banjo strum in the middle of the day.
The Bullfrog is native to the central and eastern United States and the southern portions of Ontario and Quebec. The Bullfrog has been introduced to many areas in the western United States creating patchy populations.
The Bullfrog, Rana catesbeiana, is found in wetlands statewide. It is the largest frog in the state, reaching a length of 8". It is dark olive green to almost black with a mottled-black white underside. It may have a green head.
African bullfrogs are sexually mature at 8 years of age. Males congregate (with violent aggressive interaction) and call from a breeding site in shallow water where females then lay their eggs.
American Bullfrog
Rana catesbeiana (scientific)
Look for American bullfrogs in ponds, lakes and freshwater aquatic habitats. The native range of the American bullfrog is the eastern 2/3's of the United States, east of the Rocky Mountains.
American Bullfrog
Rana catesbeiana
Photo by John White
Description: American bullfrogs are the largest native frogs in the U.S. They typically range from 3.5 - 6 inches long.
American Bullfrogs range statewide. The many counties lacking documentation indicate local, scattered populations. There have been numerous introductions in the state, and it is now impossible to separate natural from introduced occurrences.
Central American bullfrog,
Smokey jungle frog
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great horned owl (Bubo virginianus), northern harrier (Circus cyaneus), bald eagle (Haliaeetus leucocephalus), eastern cottonmouth (Agkistrodon piscivorus), alligator (Alligator mississippiensis), snapping turtle (Chelydra serpentina), bullfrog (Rana ...
bullfrog (Rana catesbeiana)
carpenter frog (Rana virgatipes)
cave salamander (Eurycea lucifuga)
coastal plain cricket frog (Acris gryllus gryllus)
common mudpuppy (Necturus maculosus maculosus)
Cope's gray treefrog (Hyla chrysoscelis) ...
Whether it's the jug o' rum, jug o' rum of the bullfrog, the sheep-like buzzing of the Eastern narrowmouth toad, or the vomiting sound of the spadefoot, every species has a distinct, individual call.
As a 'sit and wait' predator, adult African clawed frogs feed on essentially whatever prey/food items they encounter (similar to the non-native bullfrog).
Description: This very rare species is North Carolina’s second largest frog, surpassed only by the bullfrog. The river frog closely resembles the bullfrog but is usually brown or olive with no bright green coloration.
5 inches long, to the Bullfrog, reaching about 7 inches. All frogs and toads in West Virginia must lay their eggs in water and there is a tadpole stage which lasts from only a few weeks in Spadefoots to several years in Bullfrogs and Green Frogs.
The tall canes bow to each other from the shores; the majestic trees above them, all bung with funereal lichen, gently wave in the suffocating atmosphere; the bullfrog, alarmed, shrinks back into the water; ...
Predators: Tadpoles are eaten by water bugs, garter snakes, bullfrogs, and a number of fish species. Toadlets and adults are attacked by killdeer, herons, garter snakes, and bullfrogs.
In recent years, several "alien" frogs, including the marsh frog and a much bigger bullfrog from America, have been sold in pet shops and garden centres for garden ponds.
Abundant in several southeast Florida box-cut canals, and common in Little Manatee River and Bullfrog Creek drainages near Tampa. It was first collected in 1997 and is expected to slowly spread into central and south Florida.
I've had my Florida Water Snake for more than 5 years, and it's an easy pet to care for - just 10 large comet goldfish every week to ten days, with bullfrog tadpoles for occasional treats.
Forages in water; eats fishes (including sculpins and trout up to 2.4 cm in length), tadpoles (though not especially effective as a predator of bullfrog larvae; Kupferberg, 1994, Herpetol. Rev. 25:95-97), frogs (e.g., RANA BOYLII), salamanders, ...
 See also: Reptile, Snake, Turtle, Salamander, Toad
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