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Amphibians have a juvenile stage and an adult stage, and the circulatory systems of the two are distinct. In the juvenile (or tadpole) stage, the circulation is similar to that of a fish; the two-chambered heart pumps the blood through the gills where it is oxygenated, and is spread around the body and back to the heart in a single loop.
The desert rain frog, web-footed rain frog, or Boulenger's short-headed frog (Breviceps macrops) is a species of frog in the family Brevicipitidae. It is found in Namibia and South Africa . [ 1 ] [ 2 ] [ 3 ] Its natural habitat is the narrow strip of sandy shores between the sea and the sand dunes. [ 4 ]
Desert tree frogs in a rain gauge. It is rotund, with a small, flat head. It has short arms and strong, short legs. Adults are 28–43 mm (1.1–1.7 in) in snout-vent length. [3] Its ventral surface is white, and the dorsal surface ranges from light grey to dark red and has small black flecks. [3]
The list below largely follows Darrel Frost's Amphibian Species of the World (ASW), Version 5.5 (31 January 2011). Another classification, which largely follows Frost, but deviates from it in part is the one of AmphibiaWeb , which is run by the California Academy of Sciences and several of universities.
List of amphibians for lists organized by biological class, order and suborder; References This page was last edited on 25 September 2024, at 07:41 ...
A mature desert trilling frog tadpole photographed in its late stages of change into the adult frog, all four adult limbs are pictured. The Sudell's frog, painted burrowing frog (Neobatrachus sudellae), trilling frog or desert trilling frog (formerly Neobatrachus centralis) is a species of burrowing frog common to a large part of southeastern Australia.
A Field Guide to Western Reptiles and Amphibians, Third Edition. The Peterson Field Guide Series ®. Boston and New York: Houghton Mifflin. xiii + 533 pp. ISBN 978-0-395-98272-3. (Gopherus agassizii, pp. 255–257 + Plate 22 + Map 63). Stejneger L, Barbour T (1917). A Check List of North American Amphibians and Reptiles.
This is a checklist of American reptiles found in Northern America, based primarily on publications by the Society for the Study of Amphibians and Reptiles (SSAR). [1] [2] [3] It includes all species of Bermuda, Canada, Greenland, Saint Pierre and Miquelon, and the United States including recently introduced species such as chameleons, the Nile monitor, and the Burmese python.