...Anthony in Guatemala 1924-1928... 
E. Raymond Hall 「A Synopsis of the North American Lagomorpha」
...Ibarra in Guatemala, and Ing...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...In most individualsthe belly is white, but in specimens from southern El Petén and northernAlta Verapaz, Guatemala, the belly is yellow, especially posteriorly...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Stuart (1958:17) stated that tadpoles were found in mid-February,juveniles in February and March and half-grown individuals frommid-March to mid-May at Tikal, El Petén, Guatemala...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...Taylorand Smith (1945:589) reported that individuals were found at night on theground at the edge of temporary pools at Piedras Negras, Guatemala, on May28-29, 1939...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...On the night of June 28, 1961, at Chinajá, Alta Verapaz, Guatemala, a claspingpair was observed at the edge of a shallow rain pool...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...—Mountains of Guatemala north to Colorado (11 specimens,7 from Boulder County, Cook), west rarely to California (2specimens)...
Frank M. Chapman 「Color Key to North American Birds」
...—Pacific coast; breeds from southern California to BritishColumbia: winters from Washington to Guatemala...
Frank M. Chapman 「Color Key to North American Birds」
...I conclude that there are sevenspecies (one polytypic)of Syrrhophus in eastern México,Texas, and El Petén of Guatemala, and seven species (one polytypic) inwestern México...
John D. Lynch 「A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope」
...—Low to moderate elevations along the Pacific versant ofChiapas and in the Grijalva valley of Chiapas and Guatemala ()...
John D. Lynch 「A Taxonomic Revision of the Leptodactylid Frog Genus Syrrhophus Cope」
...It is found as far east as Nova Scotia, as far west as Nebraska, andwinters in great numbers in Guatemala...
Various 「Birds Illustrated by Color Photograph [April, 1897]」
...nigrescens from Guatemala...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
...handleyi seems to be restricted to the valley ofthe Río Negro, in the region of Sacapulas, Guatemala...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
...At that time the Ohio Oil Company of Guatemala had an air strip and camp at Chinajá, from which place the company was constructing a road northward through the forest...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
...In Guatemala, Clark M...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
...A vast lowland region stretches northward for approximately 700 kilometers from the highlands of Guatemala to the Gulf of Mexico...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
...A new race of Bufo valliceps from Guatemala...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
...A contribution to a knowledge of the herpetology of a portion of the savanna region of central Petén, Guatemala...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
...Two new species of Eleutherodactylus from Guatemala...
William E. Duellman 「Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala」
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