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Amphibian habitats in Michigan are generally split into four regions: the northern and southern Lower Peninsula and the eastern and western Upper Peninsula, with differentiation based on climate, soils, underlying bedrock and glacially-derived landforms. Region One, the southern Lower Peninsula, is generally characterized by a warmer, less ...
Amphibians and Reptiles, Michigan Department of Natural Resources Mammals , Michigan Department of Natural Resources State of Michigan - Crayfish Species Checklist , James W. Fetzner Jr., Section of Invertebrate Zoology, Carnegie Museum of Natural History, Pittsburgh, PA, 28 January 2008
The Blanchard's cricket frog is threatened in Michigan. There are five species and subspecies of threatened amphibians in Michigan. Two of these are listed as species of special concern, one as a threatened species and two as endangered. No amphibians with federally listed threatened status have populations in Michigan.
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The National Amphibian Conservation Center is a $7 million, 12,000-square-foot facility situated on a two-acre Michigan wetland area and pond called "Amphibiville". The Center, which opened in June 2000, has a diverse range of frogs, toads, salamanders, newts and caecilians. The Wall Street Journal dubbed the attraction "Disneyland for toads". [29]
Most reptiles in Michigan are protected by state law, but many are still at risk due to human encroachment on their habitats, the draining of wetlands and, in the case of snakes, indiscriminate killing by fearful humans. [3] [4] In 1995, the painted turtle was named as Michigan's state reptile. [5]
Usually Michigan strata of this age only preserve their bony armor and gnathal bones. There are three main groups of placoderms that have been found in Michigan, the antiarchs, arthrodires, and ptyctodonts. [4] Arthrodires reported from Michigan rocks include Dunkleosteus, Holonema, Protitanichthys, and Titanichthys. [4]
The American green tree frog became the state amphibian of Louisiana in 1997 [32] and of Georgia in 2005. [33] [34] American green tree frogs can also be used as bioindicators for aquatic contamination. Synthetic compounds such as polychlorinated biphenyls are found in many pesticides and pollute the green tree frog's aquatic habitats.