منابع مشابه
The white-crowned pigeon. A fruit-eating pigeon as a host for Trichomonas gallinae.
Physiologic values obtained from 10 stone sheep (Ovis dalli stonei) were reported, providing a start in establishing base line values for the species. The influence of excitability, diet, and stress of the sheep at sampling upon certain values was recognized.
متن کاملMigratory Sleeplessness in the White-Crowned Sparrow (Zonotrichia leucophrys gambelii)
Twice a year, normally diurnal songbirds engage in long-distance nocturnal migrations between their wintering and breeding grounds. If and how songbirds sleep during these periods of increased activity has remained a mystery. We used a combination of electrophysiological recording and neurobehavioral testing to characterize seasonal changes in sleep and cognition in captive white-crowned sparro...
متن کاملEcological influences on vocal development in the white-crowned sparrow.
Gambel's white-crowned sparrow, Zonotrichia leucophrys gambelii, is a long-distance migrant that, in contrast to other subspecies of white-crowned sparrow, does not form vocal dialects. I studied the process of vocal development in the field and laboratory to determine how it differed from the process in three other subspecies previously studied. Four common song types existed in a random spati...
متن کاملMicrogeographic Song Variation in the Nuttall’s White-crowned Sparrow’
Intradialect variation in the song of 138 male Nuttall’s White-crowned Sparrows (Zonotrichia Zeucophrys nuttalli) was examined using multivariate cluster analyses on both quantitative (frequency and temporal) and qualitative (structural) variables. Mapping of song groups revealed local song clusters with a high degree of spatial overlap and the occurrence of “satellite” males located well outsi...
متن کاملCombinatorics of the Sonnet
Using a definition of a sonnet, the number of basic rhyming schemes is enumerated. This is then used to discuss the 86 sonnets which appear in John Clare’s The Rural Muse.
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ژورنال
عنوان ژورنال: Anthurium A Caribbean Studies Journal
سال: 2011
ISSN: 1547-7150
DOI: 10.33596/anth.184