...An ecological survey of reptiles in parts of northwestern Texas...
Henry S. Fitch 「Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains」
...We have not found tadpoles of two species of Smilisca in the same bodyof water and therefore cannot offer observations on ecological relationships insympatric situations...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...An ecological study of the collared lizard (Crotaphytus collaris)...
Harrison B Tordoff 「Check-list of the Birds of Kansas」
...Morphological and ecological differentiation of Peromyscus merriamifrom southern Arizona...
J. Knox Jones, Jr. 「Noteworthy Mammals from Sinaloa, Mexico」
...Inthese instances well marked ecological differences exist between thesubspecies involved...
James S. Findley 「Speciation of the Wandering Shrew」
...The ecological requirements of jumping mice, genus Zapus, andthe subspecies of Sorex vagrans that dwell in hydroseres are essentiallysimilar...
James S. Findley 「Speciation of the Wandering Shrew」
...Ordinarily one tends to keep within a relatively smallarea that is familiar to it and that satisfies all its ecological requirements...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...taylori may resultfrom each having occupied the same ecological niche in differentperiods...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
...Etheridge, we again crossed theisthmus several times in order to gather ecological data in the wetseason, and studied especially hylid frogs, most of which had not beenseen in the dry season...
William E. Duellman 「A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico」
...Now that the important ecological factors of the major environmentshave been outlined, we may examine the local distribution of amphibiansin each of these...
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」
...The limited ecological data available suggest that thespecies inhabits the open mesquite grassland of the Mexican Plateau...
William E. Duellman 「The Amphibians and Reptiles of Michoacán, México」
...—Rana nigromaculata is the most abundant ranid incentral Korea and, in a general way, the ecological equivalent ofRana pipiens in temperate North America...
Robert G Webb 「Some Reptiles and Amphibians from Korea」
...Therefore, it seems as though the presence of the stream-habitatfor the tadpoles is a significant factor in the ecological distributionof the species of Ptychohyla...
William E. Duellman 「A Review of the Middle American Tree Frogs of the Genus Ptychohyla」
...Similar ecological relationships were observed for several species ofCosta Rican hylids...
William E. Duellman 「A Review of the Middle American Tree Frogs of the Genus Ptychohyla」
...Bragg (1943: 76) emphasized that in Oklahoma itis widely distributed over the state, occupying a variety of habitats,with little ecological restriction...
Henry S. Fitch 「Field Study of Kansas Ant-Eating Frog」
...An ecological study of the fishes of the Fall and Verdigris riversin Wilson and Montgomery counties, Kansas, March 1954, toFebruary 1955...
James Everett Deacon 「Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas」
...At present, there is a paucity of ecological niches in theupland tributaries and large rivers, as compared with streams ofintermediate size...
Artie L. Metcalf 「Fishes of Chautauqua, Cowley and Elk Counties, Kansas」
...This is presumably attributable to the ecological barrier presented by the Wakarusa mainstream...
James E. Deacon 「Fishes of the Wakarusa River in Kansas」
便利!手書き漢字入力検索