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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 ...
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.
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 average global population of all mature birds is estimated to be on the order of 100 billion individuals. [1] [2] [3] The total population including younglings is somewhat higher during the breeding season of each species. [3] This list is incomplete, because experts have not estimated all bird numbers.
Pages in category "Lists of fauna of Colorado" ... List of birds of Colorado; List of birds of Rocky Mountain National Park; F. List of fishes of Boulder Creek ...
Pages in category "Lists of birds by population" The following 29 pages are in this category, out of 29 total. This list may not reflect recent changes. ...
The source for birds in the U.S. territories is the Avibase website: Bird checklists of the world (American Samoa), [6] Bird checklists of the world (Guam), [3] Bird checklists of the world (Northern Mariana Islands), [5] Bird checklists of the world (Puerto Rico), [4] Bird checklists of the world (United States Virgin Islands), [9] and Bird ...
Sphenisciformes (from the Latin for "wedge-shaped") is the taxonomic order to which the penguins belong. BirdLife International has assessed 18 species. 16 (89% of total species) have had their population estimated: those missing are the king and little penguins, both of which have been assessed as being of least concern. [1] [2]