181-203. In A. Keast and E. S. Morton [EDS.], Migrant birds in the Neotropics: ecology, behav- ior, distribution and conservation. Smithsonian In- stitution Press, Washington, DC.HUTTO, R. L. 1980. Winter habitat distribution of migratory landbirds in western Mexico...
We applied these models to long-term data on colony sizes and site usage of cliff swallows in south-western Nebraska. A test of the resource choice model suggested that the swallow population as a whole did not choose sites based strictly on site quality or the total resources contained at ...
In the 1890s, an immigrant to the United States may have thought it was a good idea to import every bird species mentioned in Shakespeare’s collected works. Pity about the starlings.
In Washington State, both Sooty and Dusky Grouse occur. The Sooty is in western Washington and on the east slope of the Cascades in the central part of the state. The Dusky is further east in Washington. Greater Sage Grouse (nt) (*) (ph) ___ CO:apr,jul Centrocercus urophasianus...
December 2022 Avian Influenza Update: Washington Department of Fish and Wildlife (WDFW) biologists recently responded to reports of sick or dead waterfowl in western Skagit County on and around Skagit Bay, as well as in northwestern Snohomish County and on Camano Island and Port Susan in Island ...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook state bird (redirected fromState birds) Related to State birds:State flowers state′ bird′ n. a bird chosen as an official symbol of a U.S. state. ...
Western scrub jays(西方磨砂松鸦) use Machiavellian(不择手段的 ; 阴险狡诈的) tactics to hide their food caches(贮存物) from other jays——but only if they've stolen food themselves. 西方磨砂松鸦使用阴险狡诈的伎俩去藏住它们的食物不被其他松鸦发现,但前提是它们自己偷了食物 These birds seem to ha...
Major vegetation zones of the western USA. The three case studies are in Mediterranean California rangelands, southwestern desert rangelands, and the Intermountain cold desert steppe. Full size image Background Ranching in the arid west In the arid lands of the American West, those who graze extens...
Partners in Flight Working for Bird Conservation Implementation and Integration in the Western Hemisphere In 1990, a group of far-sighted individuals from the National Fish and Wildlife Foundation and the U.S. Forest Service launched the Neotropical Migratory Bird Conservation Initiative. At the time,...
Population characteristics and nest-site preferences of 11 species of cavity-nesting birds were studied in the Olympic National Forest (ONF) of northwestern Washington in the spring and summer of 1979-80. We characterized breeding popula... ZDA Manuwal - 《Journal of Wildlife Management》 被引量...