Frogs of the United States and Canada, 2-vol. set
Publication Year: 2013
Published by: The Johns Hopkins University Press
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There are two reasons I became a biologist. First, nature fascinates me. I have always been astonished at the diversity of life and how the sum total of its parts, from basic chemistry through physiology and genetics all the way to immense ecosystems, still cannot explain the essence and “why” of life. ...
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As this book is completed (April 2013), there are >6,800 species of frogs known worldwide with new species being described at a rapid pace. North of the United States–Mexico border, however, only 100 species are known (1.7% of the world total), and 10 of them barely enter the United States. ...
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Adults. Dorsal coloration is light tan, reddish brown, medium to dark brown, or deep blackish brown with a tinge of green. Light spots may be present dorsally, but some individuals are uniformly unpatterned. Undersides are grayish white, yellowish white, or pinkish. ...
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Adults. This is a medium to large toad (normally ca. 50– 90 mm SUL; maximum 155 mm SUL, Harding, 1997); females may be much larger than males. The dorsum is gray, olive brown, or a rich brown to nearly brick red, and it is well covered with knobs and bumps; ...
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augusti: patronym honoring Auguste Henri Andre Dumeril (1812– 1870), Professor of Herpetology and Ichthyology at the Museum National d’Histoire Naturelle, Paris; cactorum: from the Greek word kaktos meaning ‘prickly plant’ and the Latin suffix -orum meaning ‘of the.’ Literally, a frog of the cactus; ...
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cystignathoides: According to Lynch (1970), the name is derived from Cystignathus, an old generic name for several leptodactylid frogs. campi: a patronym honoring R.D. Camp who presented the type specimen to the U.S. National Museum. ...
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There is considerable confusion in the primary literature about whether the species A. crepitans or A. blanchardi is being discussed. Until recently (Gamble et al., 2008), these taxa were considered subspecies of a single wide-ranging species, and many authors did not make a distinction between them. ...
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Adults. This is a very streamlined frog with a pointed snout. The ground coloration is olive yellow, olive, brown, or reddish brown, with dark dorsal irregular spots. These spots may or may not be circled in white. There is a distinctive white or cream stripe on the upper jaw and a dark stripe from the nostril to the tympanum. ...
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Adults. The Eastern Narrow-mouthed Frog is a small smooth-skinned rotund pointy-snouted frog. The dorsum is brownish red to blue black and may be highly mottled with coppery or silvery pigmentation. A reddish (or chestnut) color may give the appearance of dorsolateral bands; the reddish pigmentation also may be present on the front legs. ...
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Adults. Rhinophrynus dorsalis is a rotund frog with very short but powerful limbs, a pustulose and loose skin, a short little head, tiny eyes with vertical pupils, and no tympanum. The ground color is dark brown to black and appears somewhat translucent. ...
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Adults. Lithobates areolatus is a large stocky frog with a large head and prominent eyes. The ground color is light gray to brown, with the dorsum covered by large round dark spots that are surrounded by light halos. The spots are interspersed by dark reticulations. Dorsolateral folds are present, which may or may not be prominent. ...
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Adults. Coloration is highly variable from reticulated green and black markings to mottled shades of black, green, and yellow, or brown to nearly uniform green with black spots. There also may be sexual dichromism in color pattern, with males a uniform light green and females a darker yellowish green. ...
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Adults. Dendrobates auratus is one of the most beautiful frogs known. It is a small species with a highly variable bright iridescent green and black coloration. Rarely, some individuals will be black and white or purple and white. Others may tend toward yellow or blue. ...
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Adults. The ground color of Eleutherodactylus coqui is brown to grayish brown, with the dorsum quite variable in pattern, from uniform to mottled or freckled. A broad light dorsolateral band may extend down each side with the dorsum dark and the lateral colors much lighter below the band. ...
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Adults and juveniles. This is the largest tree-frog in Florida, in particular, the adult females. The ground color is gray to light brown; some frogs are uniform in coloration whereas others have brown or green mottling or lichen-like patterns dorsally. ...
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Adults. This species is streamlined for living in the water, with a narrow dorsoventrally flattened head and smooth globular gray body. The ground color is olive to brown, finely spotted to marbled or with large round or irregular spots in yellow or dark tints. ...
Page Count: 496
Illustrations: 387 color photos, 32 b&w illus., 109 maps
Publication Year: 2013