The American bullfrog (Lithobates catesbeianus), often simply known as the bullfrog in Canada and the United States, is a large true frog native to eastern North America. (wikipedia.org)
The nuclear genome (~5.8Gbp) of the North American bullfrog (Rana [Lithobates] catesbeiana) was published in 2017 and provides a resource for future Ranidae research. (wikipedia.org)
The bullfrog ( Lithobates catesbeianus ) is the largest frog in North America. (ontarionature.org)
The American bullfrog Lithobates catesbeianus has a natural distribution in North America, but was spread by human activities in different regions around the world. (thebhs.org)
American bullfrogs, Lithobates catesbeianus or Rana catesbeiana, are native to southern and eastern United States, but has been introduced across the country and into western states, including California where it is considered an invasive species. (thewatershedproject.org)
The present study tested the responses following the exposure to lithium (2.5 mg L-1) and selenium (10 mu g L-1), both isolated and as a mixture, on the metabolic status of the tail muscle of premetamorphic American bullfrog (Lithobates catesbeianus) through the assessment of the total protein content, mobilization of glucose and triglycerides, and the activity of lactate dehydrogenase (LDH). (muni.cz)
297: 369) removed catesbeiana (and most other North, Central, and South American ranids) from Rana and placed it in Lithobates based on extensive DNA sequence data, but not all workers agree with this arrangement because of the instability this brings to well-known taxa such as Rana catesbeiana . (illinois.edu)
We report a 5.8 Gbp (NG50 = 69 kbp) genome assembly of a representative North American bullfrog (Rana [Lithobates] catesbeiana). (10xgenomics.com)
Thus, the scientific name for the American bullfrog has recently been given interchangeably as Lithobates catesbeiana and Rana catesbeiana . (mo.gov)
The case of the control program for invasive American bullfrog Lithobates catesbeianus management in Flanders (Northern Belgium) illustrates the approach of combining several objectives and methods for invasive species control. (inbo.be)
Information on measures and related costs in relation to species included on the Union list: American bullfrog Lithobates catesbeianus. (inbo.be)
Frogs10
In early 2023, the Utah Department of Natural Resources began tweeting tips on how to catch and cook bullfrogs in an effort to encourage residents to help control the growing population by catching the invasive frogs for food. (wikipedia.org)
The reasons for introducing the bullfrog to these countries have included their intentional release, either to provide a source of food or as biological control agents, the escape of frogs from breeding establishments, and the escape or release of frogs kept as pets. (wikipedia.org)
Bullfrogs breed later than most other frogs, usually from mid-June to late July on warm, humid or rainy nights. (ontarionature.org)
Bullfrog tadpoles, which grow for up to three years before changing into frogs, eat suspended matter, organic debris, algae, plant tissue and small aquatic invertebrates. (ontarionature.org)
The harvesting of large frogs for food has led to a decline in several species around the world, including the American bullfrog. (ontarionature.org)
Aliens in the backyard: Did the American bullfrog conquer the habitat of native frogs in the semi-deciduous Atlantic Forest? (thebhs.org)
With this opportunistic appetite, bullfrogs can dominate the food chain, squeezing out other species of native frogs. (thewatershedproject.org)
Known for their size, these bullfrogs are the largest frogs found in North America and when fully grown, can reach up to 8 or more inches long and weigh up to 1.5 pounds. (thewatershedproject.org)
Bullfrogs are the largest frogs in North America, they can reach up to 8 inches in length and weigh up to 1.5 pounds. (craftingagreenworld.com)
Aoife O'Donovan, a Grammy-winning Irish-American singer-songwriter, performs her "Bull Frogs Croon" suite and "Lakes of Pontchartrain" alongside a string quartet for WGBH . (irishcentral.com)
Tadpoles2
Albino bullfrogs are sometimes kept as pets, and bullfrog tadpoles are often sold at pond or fish stores. (wikipedia.org)
We investigated the effect of predation by introduction of native northern pike Esox Lucius on bullfrogs which lead to a strong decline in tadpoles. (inbo.be)
Species18
The American bullfrog is the largest species of true frog in North America. (wikipedia.org)
Bullfrogs have been found to feed on the young of the California endemic giant garter snake, a threatened species. (wikipedia.org)
Conservationists are concerned the bullfrog is relatively immune to the fungal infection chytridiomycosis and as it invades new territories, it may assist the spread of this lethal disease as an asymptomatic carrier to more susceptible native species of frog. (wikipedia.org)
Bullfrogs have lateral folds but, unlike in other frog species, these folds wrap downward around the tympani rather than trailing down the back. (ontarionature.org)
Neither the Committee on the Status of Species at Risk in Ontario nor the Committee on the Status of Endangered Wildlife in Canada has assessed the status of the American bullfrog. (ontarionature.org)
In addition, the American bullfrog is extensively associated with lethal pathogens, with high correlation of the presence of this species with population declines and extinctions. (thebhs.org)
We did not find any relationship between density of individuals, number of species or composition of the native anuran assemblages in forest fragments in relation to the presence or proximity of American bullfrog introduction points. (thebhs.org)
Common in California, some contribute the rising bullfrog population as a factor in upsetting the ecological balance of native species, including the vulnerable California red-legged frog . (thewatershedproject.org)
Bullfrogs are sources of food of many other species, including people. (thewatershedproject.org)
This is the largest species of frog in North America. (virginia.gov)
2007. Prediction and validation of the potential global distribution of a problematic alien invasive species - the American bullfrog . (invasivespeciesinfo.gov)
This species of frog is native to North America and can make a great addition to any home. (petsfromafar.com)
American bullfrog is one of the top 100 of the world's worst invasive and damaging species. (inbo.be)
regardless, control of bullfrog populations is extremely difficult due to the species' flexible life history and population biology. (inbo.be)
Also, communities receiving pike harboured less other invasive alien species that facilitate bullfrog larvae through predation on macro-invertebrates and increases in phytoplankton. (inbo.be)
Thus, using a native predatory fish species can effectively lead to a change in food web interactions to the detriment of bullfrog. (inbo.be)
This includes the Oregon spotted frog, a state endangered species, and the American bullfrog, an invasive species that negatively impacts other amphibians. (zoo.org)
People continue to release bullfrogs into bullfrog-free ponds and streams, aiding the spread of this animal and abetting the destruction of native species. (timescolonist.com)
Frog8
An adult male green frog also has a large tympanum and yellow breeding colours but is much smaller than an adult male bullfrog. (ontarionature.org)
Light microscopic images of the liver (A), spleen (B), and thymus (C) showing necrosis in an American bullfrog ( Rana catesbeiana ) metamorph infected with frog virus 3. (cdc.gov)
Easily confused with the Green Frog, however, the dorsolateral fold of the American Bullfrog turns downward just behind the tympanum. (virginia.gov)
Finally, American Bullfrogs require regular exercise in order for them to stay healthy and active so providing them with toys such as balls or tunnels can help stimulate their physical activity levels while also providing mental stimulation which will lead to better overall health for your frog! (petsfromafar.com)
In the green frog and bullfrog the metamorphosis is not completed until the beginning of the second summer. (dictionary.com)
The bullfrog and leopard frog probably take heavy toll of both the adults and the newly metamorphosed young at the breeding ponds. (dictionary.com)
The bullfrog is the largest frog native to Missouri and is found in every county. (mo.gov)
Catesbeiana1
The North American Bullfrog, scientifically designated as Rana catesbeiana , is selected for and shall be known as the official amphibian of the state of Missouri. (mo.gov)
Habitat1
American Bullfrogs are semi-aquatic amphibians, so their habitat should include both land and water. (petsfromafar.com)
Adult6
Adult bullfrogs may grow up to 17 centimetres long. (ontarionature.org)
Adult bullfrogs can grow up to 8 inches in length from snout to vent, while females are generally larger than males. (petsfromafar.com)
An aquarium of at least 20 gallons is recommended for housing one adult bullfrog. (petsfromafar.com)
The adult size of the spadefoot is 1 3/4 to 2 1/4 inches, averaging a little less than the American and Fowler's toads. (fishandboat.com)
Average adult size of the eastern American toad is two to 3 1/2 inches, about the same as Fowler's. (fishandboat.com)
As an adult, Fowler's toad averages two to three inches in length, nearly identical to the eastern American toad. (fishandboat.com)
South America1
We analyze the distribution patterns of anuran amphibians within the Cerrado domain of South America in a historical framework. (bioone.org)
Voracious1
The bullfrog has a voracious appetite and they will prey on anything they can find and overpower, including rodents, reptiles, birds, amphibians, fish and insects. (thewatershedproject.org)
Populations1
Harvesting for both food and educational purposes (i.e., dissection) has decimated native bullfrog populations in many wetlands. (ontarionature.org)
Mammals2
They will eat virtually any animal they can swallow, including insects, birds, mammals, reptiles and even other bullfrogs. (ontarionature.org)
When grasped, bullfrogs will often emit a high pitched distressed call that is believed by some scientists to attract mammals or birds which may interrupt the attack. (virginia.gov)
Croak1
I went for my usual run that evening and was surprised to hear the gravel crunch beneath my feet and the croak of a bullfrog. (cdc.gov)
Ponds4
Bullfrogs can also be found in manmade habitats such as pools, koi ponds, canals, ditches and culverts. (wikipedia.org)
Bullfrogs, which require large permanent waterbodies to breed but may spend part of the summer in smaller ponds, are usually found in water along a well-vegetated shoreline. (ontarionature.org)
Over the winter, bullfrogs hibernate in deep ponds, lakes and rivers. (ontarionature.org)
American Bullfrogs are native to the United States and prefer areas with freshwater, such as ponds, lakes, and marshes. (petsfromafar.com)
Dark greenish1
The bullfrog varies in colour from pale green to dark greenish brown above, is creamy white below and has variable dark mottling on the back or underside. (ontarionature.org)
Pond3
Listen to the call of the bullfrog (courtesy of Adopt-A-Pond Wetland Conservation Programme). (ontarionature.org)
Better stay home, better stay home,' croaked old Grandfather bullfrog from his seat on a stump by the edge of the pond. (dictionary.com)
Swamps1
While we found the tadpole in a creek, bullfrogs usually inhabitat lakes, swamps or marshes. (thewatershedproject.org)
Genome2
report on sequencing, assembly and annotation of the draft North American bullfrog genome. (10xgenomics.com)
This initial bullfrog draft genome will serve as a key resource with broad utility including amphibian research, developmental biology, and environmental research. (10xgenomics.com)
North American1
North American bullfrogs are capable of leaping 3 to 6 feet. (wildrepublic.com)
Dissection1
Other than for food, bullfrogs are also used for dissection in science classes. (wikipedia.org)
Toad5
The eastern American toad, closely related to Fowler's toad, is more widely distributed in Pennsylvania. (fishandboat.com)
The eastern American toad, however, can tolerate colder temperatures and thus goes into hibernation a bit later than Fowler's and emerges a few weeks earlier in the spring. (fishandboat.com)
The eastern American toad is primarily nocturnal and spends most of its day sheltered among piles of leaves or burrowed under loose rocks. (fishandboat.com)
It is more slender and more agile than our other toad, the eastern American, but it cannot tolerate temperatures as low as the American toad can withstand. (fishandboat.com)
Warts cover the thighs, but they are small compared to those found on the eastern American toad. (fishandboat.com)
Olive-green2
The dorsal (upper) surface of the bullfrog has an olive-green basal color, either plain or with mottling and banding of grayish brown. (wikipedia.org)
American Bullfrogs have olive green or brown skin with darker spots or blotches. (petsfromafar.com)
Males3
Bullfrogs are sexually dimorphic, with males being bigger than females and having yellow throats. (wikipedia.org)
Females are larger than the males, while male bullfrogs distinguish themselves with a yellow throat. (thewatershedproject.org)
During mating season, usually in the late spring and early summer, males join together in a "chorus", all calling together and attempting to capture the attention of a discerning female bullfrog. (thewatershedproject.org)
Bullfrog's1
There has been recent debate on the American bullfrog's taxonomic name. (mo.gov)
Birds1
Large birds that live by the water, such as herons, prey upon the bullfrog as do river otters and alligators. (thewatershedproject.org)
Conservation1
The International Union for Conservation of Nature lists the global status of the American bullfrog as Least Concern. (ontarionature.org)
County1
American Bullfrog, Will County, Illinois. (illinois.edu)
Spread1
Attempts to limit the spread of the American bullfrog fail. (timescolonist.com)
Spots3
Upon closer inspection, it turned out not to be a fish, but instead a huge tadpole, dotted with black spots and around 5 inches in length: an American bullfrog tadpole. (thewatershedproject.org)
Bullfrogs are usually a shade of green or brown with darker spots or bands. (craftingagreenworld.com)
To highlight the glossy wet skin of the bullfrog, use white or sky-blue colors for spots reflecting light. (craftingagreenworld.com)