Fire-bellied newt

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Less than six inches long, this aquatic amphibian feeds on insects and other invertebrates in slow-moving or still waters. Named for the bright red-orange coloration on its belly, the fire-bellied newt is toxic to the touch, a defense mechanism against predators. In captivity, however, they seem to lose their toxicity.

Spotted Salamander

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Spotted salamanders can be very difficult to find because they hide under rocks, leaves or in burrows and only come out at night. They also are camouflaged by their dark brown, grey or black bodies and yellow spots.

Two-toed Amphiuma

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Up to three feet long and slippery, the eel-like two-toed amphiuma is an entirely aquatic salamander and considered one of the longest in the United States. The top of its body is dark brown or black with a dark grey underside.

 

Cave Salamander

Cave Salamander_Greg Schechter

The cave salamander inhabits the twilight area of caves just inside the entrance where there is some light but it is too dark for plants to grow. With a short lunge and an extremely quick tongue flick—its tongue fully extends in just 5.5 milliseconds!—the cave salamander catches small invertebrates to eat.

Amazon Milk Frog

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The Amazon milk frog spends its entire life cycle in the tropical rainforest canopy. During breeding season, males stake out water-filled tree holes and call for mates. About 2,000 eggs are laid in the water as a result of a successful mating, which hatch into tadpoles by the next day.

Yellow and Blue Poison Dart Frog

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Ranging from yellow to blue to red, poison dart frogs are brightly colored to warn hungry predators that they harbor numerous poison glands in their skin. Not only does the toxin defend the frog against predators, it also prevents bacteria and fungi from growing on its skin.