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[1] [2] 2% of all evaluated avian species are listed as critically endangered. No subpopulations of birds have been evaluated by the IUCN. Additionally 55 avian species (0.48% of those evaluated) are listed as data deficient, meaning there is insufficient information for a full assessment of conservation status.
Of all evaluated avian species, 4% are listed as endangered. No subpopulations of birds have been evaluated by the IUCN. For a species to be considered endangered by the IUCN it must meet certain quantitative criteria which are designed to classify taxa facing "a very high risk of extinction".
This is a master list pertaining to lists of endemic birds. As applied to birds, the term " endemic " refers to any species found only within a defined geographical area. There is no upper limit for the area; it would not be incorrect to refer to all bird species as endemic to Earth .
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.
The passenger pigeon was once among the most abundant wild bird species in the world, with a single flock numbering up to 2.2 billion birds. It was hunted close to extinction for food and sport in the late 19th century. The last individual, a mateless female named Martha after Martha Washington, died in the Cincinnati Zoo in 1914.
The World Center for Birds of Prey is one of the few places in the world where you can see a California condor, the largest bird in North America. Some of the world’s rarest birds are being ...
In this list of birds by common name 11,278 extant and recently extinct (since 1500) bird species are recognised. [1] Species marked with a "†" are extinct.
It's a big day for bird lovers in the United States. Michael Sanchez from Oregon happened to be at the beach recently when he snapped a photo of a rare sighting — a Blue Rock Thrush — a breed ...