Download e-book for kindle: A Field Guide to Birds of the Desert Southwest by Barbara L. Davis

By Barbara L. Davis

ISBN-10: 0884152782

ISBN-13: 9780884152781

This box advisor takes you to the barren region and grassland components of Arizona, California, and New Mexico the place the whole variety of chicken species reaches a superb 440. incorporated are 21 desolate tract birding sizzling spots, in-depth descriptions and behavioral details, eight chook charts, and masses extra.

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Extra info for A Field Guide to Birds of the Desert Southwest

Sample text

Legs, neck, and the dagger-like bill are all very long. In flight, the Great Blue Heron folds its neck back on its shoulders and trails its feet horizontally behind its body. Upon takeoff, this heron flaps its wings heavily, but as it picks up speed, the wing beats become slow and deep. Herons are generally quiet unless disturbed or startled, then they utter deep, harsh croaks sounding like grak or kraak. They may also resonate in a deep, raucous frahnk, frahnk, frahnk. They breed in colonies, but are usually solitary the rest of the year.

She has a chocolate-brown crown, back, and tail, while the male displays greenish-black plumage on these areas. Both have two light stripes running down the back. Chestnut-colored plumage decorates the back of the neck and the outer edges of the inner secondaries. The wing tips are black, and the inner wing patches are tawny. The bill is pale yellow with a darker tip, the legs and feet are greenish-yellow, and the eye is yellow. In general, the underparts are buff with some streaking. Nuptial plumes on the side of the neck become obvious during breeding season.

The largest subdivision is the Lower Colorado River Valley encompassing the area between the Colorado River–the desert’s eastern boundary, and the San Bernardino Mountains and Mojave Desert, which join it on the northern and western extremities. In this portion of the desert, riparian habitat and agricultural areas are surrounded largely by creosote bushes and white bur sage. The Salton Sea, Imperial Valley, and the Colorado River provide winter habitat for many bird species. As the elevation rises to the Arizona Upland Division, palos verdes, ocotillos, chollas, and ironwoods prevail.

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A Field Guide to Birds of the Desert Southwest by Barbara L. Davis

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