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Northern and northwestern Arkansas Four-toed salamander: Hemidactylium scutatum (Temminck, 1838: Imperiled [46] Western Arkansas in central Ouachita Mountains, distinct population in Cleburne County: Western slimy salamander: Plethodon albagula Grobman, 1944: Apparently secure [47] Forms a species complex with P. kiamichi and P. kisatchie
The four-toed salamander can be easily mistaken for the redback salamander (Plethodon cinereus) in the wild. The redback salamander's underbelly has more numerous black markings. Unlike the four-toed salamander, the redback salamander has no constriction at the tail base, and its posterior limbs show five digits. [3]: 241–242
The long-toed salamander (Ambystoma macrodactylum, Baird 1849) [4] is a mole salamander in the family Ambystomatidae.This species, typically 4.1–8.9 cm (1 + 3 ⁄ 5 – 3 + 1 ⁄ 2 in) long when mature, is characterized by its mottled black, brown and yellow pigmentation, and its long outer fourth toe on the hind limbs.
Plethodontidae, or lungless salamanders, are a family of salamanders. [ 1 ] [ 2 ] With over 500 species, lungless salamanders are by far the largest family of salamanders in terms of their diversity. Most species are native to the Western Hemisphere , from British Columbia to Brazil.
Plethodon is a genus of salamanders in the family Plethodontidae. They are commonly known as woodland salamanders. [2] All members of the genus are endemic to North America (Canada and the United States). [2] They have no aquatic larval stage. In some species, such as the red-backed salamander (Plethodon cinereus). [3] Young hatch in the adult ...
The reason it is referred to as a big night is because there is a large number of salamanders moving at the same time. Warmer air and loose soil coupled with rain cause salamanders to leave their underground burrows. The event takes place at night to minimize predation. The rain on the big night keeps the salamanders skin from becoming dry. [1]
The subspecies is strictly native to the mountain streams of the Ozark Plateau in southern Missouri and northern Arkansas. [4] Its nicknames include lasagna lizard and snot otter. [5] This large salamander grows to a total length (including tail) of 29–57 cm (11–22 in) over a lifespan of 30 years. [6]
The eastern red-backed is found statewide, and is the most abundant salamander in Vermont. [23] Four-toed salamander, Hemidactylium scutatum [24] [25] The four-toed salamander is rare in Vermont. [26] Northern dusky salamander, Desmognathus fuscus [27] [28] Northern two-lined salamander, Eurycea bislineata [29] [30]