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Ducks Unlimited has conserved at least 15 million acres [10] of waterfowl habitat in North America. [11] DU partners with a wide range of corporations, governments, other non-governmental organizations , landowners, and private citizens to restore and manage areas that have been degraded and to prevent further degradation of existing wetlands.
The second is purely the 2021 estimate. [19] Campbell teal: Anas nesiotis > c. 500 [20] VU [20] [20] No formal count has been conducted. This is an opportunistic estimate. [20] Laysan duck: Anas laysanensis: 500-680 [21] CR [21] [21] No total population estimate is given due to the birds rarity. [21] Bernier's teal: Anas bernieri: 630-1,900 [22 ...
List by taxonomic order Birds included # of quantified species / # of total species (%) 1 Example of less common species Example of more common species Accipitriformes: Hawks, eagles, kites. 178 / 252 (71%) Anseriformes: Waterfowl: ducks, geese, swans, teals. 125 / 177 (71%) Laysan duck : Mallard : Pop: 521 [14] Pop: > 17,000,000 [15 ...
Through March 2021, Ducks Unlimited had conserved at least 15 million acres [6] of waterfowl habitat in North America. [7] To promote the conservation of waterbirds in America, the United States Fish and Wildlife Service established the Waterbird Conservation for the Americas to facilitate this over such a large area. The purpose of this ...
The gadwall was first described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae. [3] DNA studies have shown that it is a sister species with the falcated duck; the two are closely related to the three species of wigeons, and all of them have been assigned to the genus Mareca.
The avian family Anatidae, commonly called waterfowl, comprise the ducks, geese, and swans. The International Ornithological Committee (IOC) recognizes these 174 Anatidae species distributed among 53 genera, 32 of which have only one species. Eight species on the list are extinct; they are marked (E). [1]
The family Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, bills which are flattened to a greater or lesser extent, and feathers that are excellent at shedding water due to special oils. Forty-eight species have been recorded in Washington.
This list is presented in the taxonomic sequence of the Check-list of North and Middle American Birds, 7th edition through the 62nd Supplement, published by the AOS. [3] Common and scientific names are also those of the Check-list, except that the common names of families are from the Clements taxonomy because the AOS list does not include them.
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