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In some cases bullfrogs have been recorded as attaining 800 g (1.8 lb) and measuring up to 8 in (20 cm) from snout to vent. The American bullfrog is the largest species of true frog in North America. [15] [17]
Rana (derived from Latin rana, meaning 'frog') is a genus of frogs commonly known as the Holarctic true frogs, pond frogs or brown frogs. Members of this genus are found through much of Eurasia and western North America. Many other genera were formerly included here.
The Virginia opossum, Didelphis virginiana, the only marsupial in temperate North America. Armadillos, opossums and porcupines are present in North America today because of the Great American Interchange. Opossums and porcupines were among the most successful northward migrants, reaching as far as Canada and Alaska, respectively.
Lithobates clamitans [5] or Rana clamitans, [2] [6] [7] commonly known as the green frog, is a species of frog native to eastern North America. The two subspecies are the bronze frog and the northern green frog. These frogs, as described by their name, typically have varying degrees of green heads.
Lithobates sylvaticus [1] [2] or Rana sylvatica, [3] commonly known as the wood frog, is a frog species that has a broad distribution over North America, extending from the boreal forest of the north to the southern Appalachians, with several notable disjunct populations including lowland eastern North Carolina. The wood frog has garnered ...
Officials say the crawfish frog likely was at the site during that period, as well, and remained in place until the mid to late 1980s, when they "vanished suddenly and mysteriously, possibly ...
While discovered in Vietnam, similar species are found in Laos and throughout southern China, making it possible the Thao’s Tree Frog also ventures further north, according to the study.
The name was previously used by Frost et al. as a separate genus of ranid frogs that included most of the North American frogs traditionally included in the genus Rana, [7] including the American bullfrog and northern leopard frog. Frost used the name in this sense in the frog section of a North American common names list edited by Crother ...