By Edward C. Beedy, Edward R. Pandolfino
This superbly illustrated and hassle-free booklet provides the main up to date details to be had in regards to the usual histories of birds of the Sierra Nevada, the origins in their names, the habitats they like, how they convey and engage with each other, their relative abundance, and the place they take place in the zone. every one species account beneficial properties unique illustrations through Keith Hansen.
In addition to characterizing person species, Birds of the Sierra Nevada additionally describes ecological zones and poultry habitats, fresh tendencies in populations and levels, conservation efforts, and greater than one hundred sixty infrequent species. additionally it is a thesaurus of phrases, particular maps, and an in depth bibliography with over 500 citations.
Read Online or Download Birds of the Sierra Nevada: Their Natural History, Status, and Distribution PDF
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Extra resources for Birds of the Sierra Nevada: Their Natural History, Status, and Distribution
American Pipits, Horned Larks, and Dark-eyed Juncos, as well as small mammals, attract raptors (especially during migration) such as Sharp-shinned and Cooper’s Hawks, Prairie Falcons, and Redtailed Hawks. The summer flowering season coincides with an influx of hummingbirds that are either in migration or seeking relief from the summer drought and heat of the foothills. Rufous (in migration) and Calliope Hummingbirds can be abundant around particularly lush flower patches. Rock faces, boulder fields, and talus dominate much of the landscape in the Alpine zone, providing abundant habitat for Rock Wrens.
Two of the more perplexing examples of Sierra breeding range contractions are those of Ruby-crowned Kinglet and Swainson’s Thrush. Based on their status in the early 20th century, Grinnell and Miller (1944) considered both species to be common on the West Side of the Sierra, from the northern edge of the range south to Tulare County. Breeding populations of both species are now highly localized and very sparsely distributed in the region. BBS routes rarely record either species, even in places where the species was considered to be historically common.
Some “edge” species such as Mountain Quail and “Mountain” White-crowned Sparrows use trees and shrubs for cover but feed in open areas nearby. indd 15 15 1/30/13 3:11 AM as darkness comes, the incessant tooting of Northern Saw-whet Owls. Mountain Chaparral North 4,500 to 8,500 feet; South 5,000 to 9,500 feet Brushfields of huckleberry oak, greenleaf manzanita, snowbrush, or chinquapin occupy steep, rocky slopes or forest clearings created by treefalls, logging, or fire. Especially prevalent on south-facing exposures, montane chaparral habitats may grow in impenetrable thickets but can be quite open on steep slopes or recently established sites.