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In the U.S. state of Colorado 519 species of birds have been documented as of September 2022 according to the Colorado Bird Records Committee (CBRC) of Colorado Field Ornithologists. [ 1 ] This list is presented in the taxonomic sequence of the Check-list of North and Middle American Birds , 7th edition through the 63rd Supplement, published by ...
Lark buntings are small songbirds, with a short, thick, bluish bill.There is a large patch of white on the wings and they have a relatively short tail with white tips at the end of the feathers.
Alabama, Georgia, Massachusetts, Missouri, Oklahoma, South Carolina, and Tennessee have designated an additional "state game bird" for the purpose of hunting. The northern cardinal is the state bird of seven states, followed by the western meadowlark as the state bird of six states. The District of Columbia designated a district bird in 1938. [4]
If the individual's back and wing feathers have a gray tinge and there are several feathers on the upper wings (shoulder) with a subtle but distinctly different brown tinge, then the bird is a second year bird because it didn't fully molt. Juvenile Prairie Falcon, Horsetooth Mountain Open Space, Larimer County, Colorado
Birds from temperate North America east of the Rocky Mountains migrate to the southern United States and southern British Columbia. It is often a year-round resident where water remains open in winter. The number of birds that stay year-round near the northern limit of the species' range seems to be increasing. [20] [21]
They can be distinguished from most ducks on size, shape, and the speculum. Separation from female common teal is problematic. In non-breeding (eclipse) plumage, the drake looks more like the female. It is a common duck of sheltered wetlands, such as taiga bogs, and usually feeds by dabbling for plant food or grazing. It nests on the ground ...
A white-tailed ptarmigan, common above timberline. This is a comprehensive listing of the bird species recorded in Rocky Mountain National Park, a 265,461 acres (107,428 ha) park in the U.S. state of Colorado.
The black-bellied whistling duck is mainly non-migratory, although they are listed on the List of Birds protected by the Migratory Bird Treaty Act (MBTA). [12] At the heart of their range, there is a tendency to travel in flocks over the winter months, [ 13 ] though this behavior is not a true long-range migration but rather local dispersal.