May 19 2013
Only the Rock people had fire, and they guarded it jealously. Raven decided that all people should have fire, and he went to see the Rock people. Knowing he was a transformer and fooler of people, they drove him away. To make themselves more secure from Raven, they made a wide stretch of water all …
May 19 2013
Raven called great feast for all the birds. He painted each one a different way, all birds, the hawks, the owls, the eagles, the jays, great and small. He painted Robin red on the breast, Bluejay blue, and a knot on his head. He tied up Ruffed-Grouse’s hair in a knot. He painted Bald-Headed Eagle …
May 19 2013
This story tells how the Raven came to birth. It is a Tahltan tribe story, an Indian tribe living in Britsh Columbia and Canada. A number of people were living together near the sea. Among them was a man, gifted with magic power, who did not live with his wife. He did not allow any …
Dec 31 2011
Yellow-billed Cuckoo (Coccyzus americanus) Science Article 5 abstract In western North America, yellow-billed cuckoos (Coccyzus americanus) have undergone catastrophic declines; the eastern subspecies has undergone less rapid declines in most areas since approximately 1980. Direct loss and degradation of low-elevation riparian woodland habitats have been cited as the primary causes for the declines in yellow-billed …
Dec 31 2011
Yellow Warbler (Dendroica petechia) Science Article 1 abstract Emlen and Oring (1977) suggested that monogamy in birds is maintained because of the need for strict biparental care. A corollary of their suggestion is that paternal care should decrease under conditions of high food abundance. An alternative is that paternal care would increase if males take …
Dec 31 2011
Yellow Warbler (Dendroica petechia) Science Article 14 abstract Extra-pair mating has been proposed as a source of sexual selection responsible for secondary sexual traitsthat are common among socially monogamous birds, although supporting evidence is scant. In the socially monogamous yellow warbler, males are larger than females, and unlike females, have extensivereddish streaking on their breasts. …
Dec 31 2011
Yellow-bellied Sapsucker (Sphyrapicus varius) Science Article 8 abstract The authors document an observed association between Yellow-bellied Sapsucker and Ruby-throated Hummingbird. They conclude that the hummingbirds’feeding at sapsucker wells may effect the timing of hummingbird migration. by David Flaspohler and David Grosshuesch Several species of hummingbirds are known to feed at the sap wells created by …
Dec 31 2011
Yellow Warbler (Dendroica petechia) Science Article 13 abstract Using morphological or behavioural features correlated with paternal care, females can, priorto mating, assess the potential parental contribution of males. As a first step in a study of female matechoice in yellow warblers, this study was designed to examine the importance of paternal care by malesof diVering …
Dec 31 2011
Yellow Warbler (Dendroica petechia) Science Article 15 abstract We studied Wilson’s Warbler (Wilsonia pusilla) and Yellow Warbler (Dendroica petechia) habitat use in allopatric and sympatric populations in the Rocky Mountains of northern Colorado and southeastern Wyoming in order to better understand the different habitat needs and interactions of these two species. Janet M. Ruth and …
Dec 31 2011
Yellow Warbler (Dendroica petechia) Science Article 6 abstract Aspects of the breeding biology of the Yellow Warbler (Dendroica petechia) and ShinyCowbird (Molothrus bonariensis) parasitism were studied in Boqueron, Puerto Rico from 2001 to 2002.Fifty-seven percent (n = 12) of warbler nests were parasitized. Survival of parasitized nests was lowerthan non-parasitized nests. Thirty-four percent of nests …
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