• Publications
  • Influence
Frogs of Boracéia
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  • W. Heyer
  • Biology, Medicine
  • Evolution; international journal of organic…
  • 1 September 1969
Frogs of the Neotropical genus Leptodactylus provide a clear example of one way in which a group of amphibians evolved from an almost aquatic to a terrestrial life history. The genus is comprised ofExpand
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Frog morphometrics : a cautionary tale
Scant attention has been paid to measurement error in frog morphometric studies. We study both interobserver effects of measurement on the same specimens of Vanzolinius discodactylus (Anura,Expand
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Tadpoles, Predation and Pond Habitats in the Tropics
Tadpoles involved in predator-prey interactions were studied in tropical wet forest in Costa Rica under laboratory and field conditions. Larvae of the frog Leptodactylus pentadactylas and naiads ofExpand
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Decimations, Extinctions, and Colonizations of Frog Populations in Southeast Brazil and Their Evolutionary Implications
Analysis of a 35 year data base on frogs from species assemblages in southeastern Brazil, suggests three kinds of species changes: the appearance of Hyla albopunctata at Boraceia; the possibleExpand
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A preliminary analysis of the intergeneric relationships of the frog family Leptodactylidae
Heyer, W. Ronald. A Preliminary Analysis of the Intergeneric Relationships of the Frog Family Leptodactylidae. Smithsonian Contributions to Zoology, number 199, 55 pages, appendix, 16 figures, 38Expand
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Ecological Interactions of Frog Larvae at a Seasonal Tropical Location in Thailand
To determine the adaptive strategies frogs utilize to exploit tropical seasonal environments, a 10 month study of tadpole ecological interactions was undertaken at the Sakaerat Experiment Station,Expand
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Variation, systematics, and zoogeography of Eleutherodactylus guentheri and closely related species (Amphibia: Anura: Leptodactylidae)
Heyer, W. Ronald. Variation, Systematics, and Zoogeography of Eleutherodactylus guentheri and Closely Related Species (Amphibia: Anura: Leptodactylidae). Smithsonian Contributions to Zoology, numberExpand
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