For white-crowned sparrows
, at least part of the cue comes from the song's opening whistle, Soha says.
The circumannual distribution of white-crowned sparrows
The researchers conducted the study in a migratory population of white-crowned sparrows
that nested in a state park in Bandon, Oregon from 2008 to 2011.
An experimental study of the importance of plumage coloration in breeding males of the white-crowned sparrow
Mean [+ or -] SE date of first White-crowned Sparrow
arrival in the valley is 11 May [+ or -] 0.
striata), Connecticut Warbler (Oporornis agilis), Wilson's Warbler (Wilsonia pusilla), and White-crowned Sparrow
(Zonotrichia leucophrys), were analyzed independently from long-distance and short-distance migrants known to breed in the study area.
You can tell where you are in California, Oregon, or Washington if you know the white-crowned sparrow
song," he notes.
Nelson of Ohio State University in Columbus and his colleagues compared the song-learning abilities of two subspecies of white-crowned sparrow
, Zonotrichia leucophrys.
Hatching asynchrony in the Mountain White-crowned Sparrow
(Zonotrichia leucophrys oriantha): a selected or incidental trait?
Territory size in the White-crowned Sparrow
(Zonotrichia leucophrys): measurement and stability.
Enter Glen Chilton, who debuted in ornithology on the bandwagon of studies of song dialects of the White-crowned Sparrow
, which led to his being an author on the account of Zonotrichia leucophrys in the Birds of North America series.
05) densities than other landforms for five species: Horned Lark, American Pipit, American Tree Sparrow, White-crowned Sparrow
(Zonotrichia leucophrys), and Lapland Longspur (Calcarius lapponicus).