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Frogs Species

The world’s tropical forests house a spectacular array of frogs. In fact, although found almost everywhere on Earth, frogs are at their most diverse in tropical regions—places like the Amazon rainforest and the forests of Equatorial Africa. The following are seven amazing types of frogs found exclusively in those environments, which typically are hot, wet, and densely vegetated—perfect for creatures specially adapted to both aquatic and terrestrial habitats.

About Frogs are a familiar part of the wildlife of Massachusetts, and they’re found all across the state. Because of their diverse habitat needs and sensitive skin, these amphibians are good indicators of the health of our environment. Learn More Frog Species in Massachusetts The frogs of Massachusetts come in many colors, and they inhabit a variety of habitats, from lakes to trees to woodlands. The 10 species in Massachusetts belong to four scientific families. Learn More

Frogs are important natural resources that deserve our attention. Because of their aquatic and terrestrial life stages, frogs are excellent indicators of environmental health and water quality. Frogs also provide a free pest control service by consuming countless numbers of insects every year; in turn, they are food for a variety of other animals.

Acknowledging the importance of frogs and the concern over their decline, the Virginia Department of Game and Inland Fisheries has been working in partnership with the North American Amphibian Monitoring Program (NAAMP), Virginia Living Museum and citizen biologists to monitor trends in frog populations across the Commonwealth. We have also been restoring wetlands and acquiring new lands for wildlife conservation.

The blue poison dart frog (Dendrobates tinctorius "azureus") is unquestionably beautiful—like sapphire. And similar to a precious gemstone, this species of frog is one of nature’s unique treasures, found only in the tropical forests that border the Sipaliwini Savanna of southern Suriname and extend into northern Brazil. As its bright warning coloration and common name suggest, the blue poison dart frog is poisonous, secreting a toxic substance through its skin. It is further distinguished by its physique, having long arms and a hunched back. Every individual of the species has a distinct pattern of black spots on its back and sides, a sort of fingerprint that can be used to tell them apart.

The Anura include all modern frogs and any fossil species that fit within the anuran definition. The characteristics of anuran adults include: 9 or fewer presacral vertebrae, the presence of a urostyle formed of fused vertebrae, no tail, a long and forward-sloping ilium, shorter fore limbs than hind limbs, radius and ulna fused, tibia and fibula fused, elongated ankle bones, absence of a prefrontal bone, presence of a hyoid plate, a lower jaw without teeth (with the exception of Gastrotheca guentheri) consisting of three pairs of bones (angulosplenial, dentary, and mentomeckelian, with the last pair being absent in Pipoidea),[16] an unsupported tongue, lymph spaces underneath the skin, and a muscle, the protractor lentis, attached to the lens of the eye.[17] The anuran larva or tadpole has a single central respiratory spiracle and mouthparts consisting of keratinous beaks and denticles.[17]

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