...If this assumption is correct, amphibians comprise about 40 per cent of the diet... 
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...A field guide to reptiles and amphibians...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...The amphibians and reptiles of Tulsa County, Oklahoma, and vicinity...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Notes on Mississippi amphibians and reptiles...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Ecological observations on amphibians and reptiles collected in southeastern Oklahoma during the summer of 1934...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...The amphibians and reptiles of Michoacán, México...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...The systematic status of Eumeces pluvialis Cope, and noteworthy records of other amphibians and reptiles from Kansas and Oklahoma...
William B. Stallcup 「Myology and Serology of the Avian Family Fringillidae」
...An annotated check list of the reptiles and amphibians of Texas...
Henry S. Fitch 「Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains」
...A distributional study of the amphibians of the Isthmus of Tehuantepec, México...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
...Type specimens of amphibians and reptiles in the Museum of NaturalHistory, The University of Kansas...
Ticul Alvarez 「The Recent Mammals of Tamaulipas, Mexico」
...A distributional study of the amphibians of the isthmus ofTehuantepec, Mexico...
Sydney Anderson 「Mammals of Mesa Verde National Park, Colorado」
...2); these are important as breeding sites for many species of amphibians...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
...This is one of the most abundant, or at least conspicuous, amphibians inhabiting the forest...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
...Reptiles and amphibians from Honduras...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
...Studies on the amphibians and reptiles of British Honduras...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
...Therefore, the present reportis concerned only with the amphibians...
William E. Duellman 「A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico」
...Among the species of amphibians that I would expect to occur in theisthmus, the only one not yet found there is Hyla phaeota...
William E. Duellman 「A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico」
...Nearly 1200specimens of 30 species of amphibians were thus collected in theIsthmus of Tehuantepec; all specimens are now in the Museum of Zoologyat the University of Michigan...
William E. Duellman 「A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico」
...Detailed comments on the herpetofauna of the Tuxtlas have been omittedpurposefully, for the reptiles and amphibians of the region currentlyare being studied by Douglas Robinson...
William E. Duellman 「A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico」
...Stuart found only 20 species of amphibians in both forest andsavanna habitats in El Petén...
William E. Duellman 「A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico」
...Withrespect to the distribution of amphibians we may recognize three majorenvironments in the isthmus—rainforest, semi-arid scrub forest, andsavanna...
William E. Duellman 「A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico」
...On theother hand, the savannas and scrub forests are characterized by extremeconditions of desiccation, a factor of considerable importance inlimiting the ecological distribution of amphibians...
William E. Duellman 「A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico」
...To amphibians inhabiting the foothills and mountains of southern Méxicoand northern Central America, the isthmus presents a great barrier todispersal...
William E. Duellman 「A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico」
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