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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 American green tree frog was designated the official state amphibian of Louisiana in 1993. [18] Examples of other amphibians in Louisiana are salamanders such as the eastern tiger salamander, southern red-backed salamander, Gulf Coast waterdog, dwarf salamander and the three-toed amphiuma.
Plethodon is part of the family Plethodontidae (lungless salamanders) and the subfamily Plethodontinae.The genus Plethodon can be divided into two subgenera: the nominal subgenus Plethodon, which includes up to 49 eastern species (the bulk of diversity in the genus), and the subgenus Hightonia, [5] which includes 9 species native to the western part of North America.
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.
The southeastern dwarf salamander prefers habitats of swampy pine woods. It is nocturnal and spends most of its time under leaf litter or forest floor debris. Breeding occurs in the fall, with 12 to 48 eggs being laid singly or in small clutches attached to submerged debris in shallow, slow moving or still water.
The Louisiana slimy salamander (Plethodon kisatchie) is a species of salamander in the family Plethodontidae. It is endemic to the United States where it is only known from northern Louisiana and southern Arkansas .
The southern red-backed salamander (Plethodon serratus) is a species of salamander endemic to the United States. [2] It is found in four widely disjunct populations: one in central Louisiana; one in the Ouachita Mountains of Arkansas and Oklahoma; one in central Missouri; and one from southeastern Tennessee, to southwestern North Carolina, western Georgia, and eastern Alabama.
The brown pelican is the state bird of Louisiana. This list of birds of Louisiana includes species credibly documented in the U.S. state of Louisiana, as accepted by the Louisiana Bird Records Committee (LBRC) of the Louisiana Ornithological Society. [1]