Published 1975
by Delaware Museum of Natural History in Greenville .
Written in English
Edition Notes
| Statement | John P. Hubbard. |
| Series | Nemouria ;, no. 15 |
| Classifications | |
|---|---|
| LC Classifications | QL1 .N33 no. 15, QL696.P246 .N33 no. 15 |
| The Physical Object | |
| Pagination | 28 p. : |
| Number of Pages | 28 |
| ID Numbers | |
| Open Library | OL5187977M |
| LC Control Number | 75007564 |
The rufous-crowned sparrow (Aimophila ruficeps) is a small American passerine is primarily found across the Southwestern United States and much of the interior of Mexico, south to the transverse mountain range, and to the Pacific coast to the southwest of the transverse distribution is patchy, with populations often being isolated from each : Aves. Geographic variation in non-California populations of the rufous-crowned sparrow. By: Hubbard, John Patrick, Type: Article. In: Nemouria; occasional papers of the Delaware Museum of Natural History. Volume: Date: Page Range: Publication info: [Greenville]Delaware Museum of . Geographic variation in non-California populations of the rufous-crowned sparrow Vol Page 1 A Biobibliography of William Harper Pease, Malacologist of Polynesia. Geographic variation in non-California populations of the Rufous-crowned Sparrow. By John P. Hubbard. Geographic variation in the Savannah Sparrows of the inland Southwest, Mexico, and Guatemala. By John P. Hubbard. Palm Warbler in Guerrero and .
Most of the more than 20 named subspecies of Savannah Sparrow are not recognised by Rising (Rising (, and Rising et al. (), because most geographic variation is clinal and many. The Rufous-crowned Sparrow, (Aimophila ruficeps), is a smallish American passerine is primarily found across the Southwestern United States and much of the interior of Mexico, south to the transverse mountain range, and to the Pacific coast to the southwest of the transverse distribution is patchy, with populations often being isolated from each other. The Rufous-crowned Sparrow, Aimophila ruficeps, is a smallish American passerine is primarily found across the Southwestern United States and much of the interior of Mexico, south to the transverse mountain range, and to the Pacific coast to the southwest of the transverse distribution is patchy, with populations often being isolated from each other. geographic variation, systematics, life history, migration, behavior, and conservation. Submit manuscripts (mainland populations) Island Loggerhead Shrike Lanius ludovicianus Santa Cruz Island Rufous-crowned Sparrow Aimophila ruficeps obscura Oregon Vesper Sparrow.
Paul W. Collins Version: — Published March 4, Text last updated January 1, Rufous-crowned Sparrow: Gray-brown above, gray below, with rusty crown and single heavy black whisker stripe below bill. Brewer’s Sparrow: Very plain, small, and relatively long-tailed; sandy-brown above with narrow black streaks on back and crown, brown ear patch, plain pale gray below. As noted by Slater (, p. 33), “geographic variation [in song] is seldom the simple matter that the word ‘dialect’ might imply.”Indeed, “dialects” have been described across a range of geographic scales (e.g., compare Leader , Warren ; see also Mundinger, ) and for a variety of vocal tically, we can represent geographic structure in vocal . Hubbard, J. P. Geographic variation in non-California populations of the Rufous-crowned Sparrow. Nemouria Pyle, P., Identification Guide to North American Birds, Part I. Slate Creek Press, Bolinas, CA. Figure 1. Rufous-crowned Sparrow (Aimophila ruficeps), Deer Canyon, Arroyo Grande, San Luis Obispo County, California, 6 August.
