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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. It typically inhabits large permanent water bodies such as swamps , ponds , and lakes .
The African bullfrog is a voracious carnivore, eating insects and other invertebrates, small rodents, reptiles, small birds, fish, and other amphibians that can fit in their mouths. [ 5 ] [ 9 ] [ 10 ] It is also a cannibalistic species—the male African bullfrog is known for occasionally eating the tadpoles he guards, [ 11 ] and juveniles also ...
A tadpole or polliwog (also spelled pollywog) is the larval stage in the biological life cycle of an amphibian. Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial. Tadpoles have some fish-like features that may not be found in adult amphibians such as a lateral line, gills and swimming tails.
Hoplobatrachus tigerinus, commonly known as the Indian bullfrog, is a large species of fork-tongued frog found in South and Southeast Asia. A relatively large frog, it is normally green in color, although physiological traits vary between populations. Sexual dimorphism exists between males and females.
Bullfrog (Rana catesbeiana) Small rear legs visible Allegeny County, NY USA: Date: 7 October 2011, 11:12: Source: American Bullfrog, tadpole stage (Rana catesbeiana) Author: Dave Huth from Allegany County, NY, USA
The eggs hatch in several days, and the tadpoles may take a year to transform into adult frogs. Pig frogs are sexually dimorphic, with males and females having similar growth rates until the snout-vent length reaches about 100mm, at which point females grow faster and eventually reach a larger size than males.
A national study by Cornell University researchers found 69 blue frogs during a survey of 2 million, which comes to a frequency of 0.003%, according to a Rhode Island Division of Fish and Wildlife ...
Hoplobatrachus crassus, also called Jerdon's bullfrog, Jerdon's bull frog, and South Indian bullfrog, is a species of frog found widely distributed on the plains of India, Bangladesh, Nepal, and Sri Lanka. Its range may extend to the adjacent Bhutan and Myanmar.