Browsing by Journal Issue "scas/vol73/iss2"
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An Unusual Breeding Aggregation of Frogs, with Notes on the Ecology of Agalychnis spurrelli (Anura: Hylidae)
In August 1970, a breeding aggregation comprising an estimated 13,000 Agalychnis spurrelli was observed at a man-made pond on the Osa Peninsula, Puntarenas Province, Costa Rica. Apparently this extraordinarily dense breeding ... -
An Unusual Breeding Aggregation of Frogs, with Notes on the Ecology of Agalychnis spurrelli (Anura: Hylidae)
In August 1970, a breeding aggregation comprising an estimated 13,000 Agalychnis spurrelli was observed at a man-made pond on the Osa Peninsula, Puntarenas Province. Costa Rica. Apparently this extraordinarily dense breeding ... -
Bats of Margarita Island, Venezuela, with Zoogeographic Comments
Sixteen species of bats are reported from Margarita Island, Nueva Esparta, Venezuela. These include two species of emballonurids, one noctilionid, two mormoopids, nine phyllostomatids, one vespertilionid, and one molossid. ... -
Cover
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Hermit Crabs from the Tropical Eastern Pacific. I. Distribution, Color, and Natural History of Some Common Shallow-Water Species
Observations on distribution, natural history, and color in life are presented for 12 species of hermit crabs (Diogentdae and Paguridae) collected from the intertidal and shallow subtidal between Paita, Peru and Bahia de ... -
Influence of Habitat Structure on a Population of Voles
Analysis of dispersion patterns for a population of the California vole (Microlus californicus) within its preferred habitat indicated higher densities associated with patches of a perennial grass (Elymus cinereus) than ... -
Maternity Habits of Myotis leibii in South Dakota
Twelve active roosts containing 27 Myotis leibii were located in and near the Badlands National Monument. South Dakota. Active and inactive roosts were characterized as to temperature inside and outside of the roosts, ... -
Relative Stem Water Potentials of Three Woody Perennials in a Southern Oak Woodland Community
Dawn stem water potentials of Quercus agrifolia, Juglans california, and Heteromeles arbutifolia were measured with a pressure chamber during the drought of 1972. Individuals of a particular species growing at the top of ... -
Reproductive Behavior of the Gray Whale Eschrichtius robustus, in Baja California
Patterns of movement and repetitive behavior of gray whales in a specific area of Scammon's Lagoon suggest precopulative ritual. Individuals move into a specific area of the lagoon in the early morning and conspicuously ... -
Systematics of Pterocladia media from California
The finding of unilocular cystocarps on herbarium specimens of Gelidium crinale var. luxurians from California requires thai the plains be referred to the genus Pterocladia. Pterocladia media Dawson (1958) is expanded for ...