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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 ...
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. This list is based on one published by the National Park Service (NPS). [1]
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]
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] Of the five inhabited territories of the United States, American Samoa and Puerto Rico are the only ones without territorial birds.
This is a comprehensive listing of all the bird species recorded in Black Canyon of the Gunnison National Park in the U.S. state of Colorado. Unless otherwise noted, this list is based on one published by the National Park Service (NPS). [1] The list contains 174 species.
Common goldeneyes are diving birds that forage under water. Year-round, about 32% of their prey is crustaceans , 28% is aquatic insects and 10% is molluscs . [ 15 ] Insects are the predominant prey while nesting and crustaceans are the predominant prey during migration and winter.
They are terrestrial species, variable in size but generally plump with broad, relatively short wings. Many species are game birds or have been domesticated as a food source for humans. There are 16 species in North America and 180 species worldwide. (–L–) (* SW) Ring-necked pheasant, Phasianus colchicus, Colorado River–(Riparian) Env. (I)
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.