A disturbing trend of population declines and birth deformities in amphibians has prompted a US federal agency to launch an ambitious research programme.
The national Amphibian Research and Monitoring Initiative (ARMI) has been set up by the US Department of the Interior with $5 million to study why frogs, salamanders and toads are in such trouble. An additional $2 million is being sought for ...
Palearctic: Rana temporaria is a common terrestrial frog in Great Britain, Europe and northwestern Asia. In continental Europe they are referred to as "grass frog" or "brown frog". They are resistant to cold climates and live as far north as the Arctic circle in Scandinavia, farther north than any other amphibian in the region.
The golden mantella measures about 1 inch long and is a brilliant golden-orange color. It occasionally has red flash marks on the insides of its hind legs, and its eyes are jet-black.
It has short legs and distinct adhesive disks on its fingers and toes.
The sexes are dimorphic, with males generally smaller, slimmer and more angular in build than females.
The tiger salamander is named for its striped pattern.
It is the world's largest land-dwelling salamander.
The tiger salamander ranges from 6 to 13 inches long and is stout with a broad head and rounded snout. It has small, rounded eyes, and its feet have tubercles.
It is brownish-olive in color with black and yellow spots or blotches. Its underside is usually yellow.
The male tig...
Nearctic: Delaware, eastern Maryland and Virgina, eastern North and South Carolina, southern Georgia, all of Florida, Alabama west to eastern Texas,and extending up the Mississippi Valley to extreme southern Illinois. Possibly northeastern Mexico.
Tomato frogs are sexually dimorphic. The female ranges from reddish-orange to bright vermilion, and the male from dull orange to brownish-orange. Both males and females have a yellowish underside and black throat. Juveniles are dull in color, developing brighter coloration as they mature.
The female tomato frog is larger than the male, measuring 3 to 4 inches long. The male is 2 to 21/2 inches ...