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The skull of an American crow. The range of the American crow now extends from the Pacific Ocean to the ... A campaign in Oklahoma from 1934 to 1945 dynamited 3.8 ...
Black-billed magpie American crow. The family Corvidae includes crows, ravens, jays, choughs, magpies, treepies, nutcrackers, and ground jays. Corvids are above average in size among the Passeriformes, and some of the larger species show high levels of intelligence. Canada jay, Perisoreus canadensis (H) (A) Pinyon jay, Gymnorhinus cyanocephalus
The proportions resemble the common raven with a heavy bill, but is about the same size as a carrion crow, or slightly larger than the American crow (44–51 cm (17–20 in) long). The plumage is all-black with a rich purple-blue gloss in good light.
Oklahoma has 41 state parks, two national protected forests or grasslands, [12] and a network of wildlife preserves and conservation areas. Six percent of the state's 10 million acres (40,000 km 2 ) of forest is public land, [ 11 ] including the western portions of the Ouachita National Forest , the largest and oldest national forest in the ...
Corvidae is a cosmopolitan family of oscine passerine birds that contains the crows, ravens, rooks, magpies, jackdaws, jays, treepies, choughs, and nutcrackers. [1] [2] [3] In colloquial English, they are known as the crow family or corvids.
[28] [29] [30] Recorded weights range from 0.69 to 2.250 kg (1.52 to 4.96 lb), [31] [32] thus making the common raven one of the heaviest passerines. Birds from colder regions such as the Himalayas and Greenland are generally larger with slightly larger bills, while those from warmer regions are smaller with proportionally smaller bills. [ 33 ]
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The Wichita Forest Reserve was established by the United States General Land Office in Oklahoma on July 4, 1901, with 57,120 acres (231.2 km 2).After the transfer of federal forests to the U.S. Forest Service in 1905, it became a National Forest on March 4, 1907, as Wichita National Forest.