ecoregion of the continental USA, being the Everglades and Florida mangroves. Fauna The following species are largely endemic to the region. Amphibian diversity is especially notable in the Atlantic Plain. North Pine Barrens tree frog (Dryophytes andersonii) Northern red-bellied cooter (Pseudemys rubriventris) Heath hen (Tympanuchus cupido cupido) EX Beach vole (Microtus breweri) Red wolf (Canis rufus) South Some of these species' ranges may extend into the longleaf pine woodlands and savannas of the Gulf Plain. Red-cockaded woodpecker (Picoides borealis) Brown-headed nuthatch (Sitta pusilla) Bachman's sparrow (Peucaea aestivalis) Florida scrub jay (Aphelocoma coerulescens) Ivory-billed woodpecker (Campephilus principalis) EX American alligator (Alligator mississippiensis) Gopher tortoise (Gopherus polyphemus) Chicken turtle (Deirochelys reticularia) Florida worm lizard (Rhineura floridana) Eastern indigo snake (Drymarchon couperi) Eastern diamondback rattlesnake (Crotalus adamanteus) Southeastern pocket gopher (Geomys pinetis) Round-tailed muskrat (Neofiber alleni) Two-toed amphiuma (Amphiuma means) Oak toad (Anaxyrus quercicus) Frosted flatwoods salamander (Ambystoma cingulatum) Striped newt (Notophthalmus perstriatus) References Physiographic regions of the United States Geography of the United States