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Birds of North America is a comprehensive encyclopedia of bird species in the United States and Canada, with substantial articles about each species. It was first published as a series of 716 printed booklets, prepared by 863 authors, and made available as the booklets were completed from 1992 through 2003. [ 1 ]
This is a list of soaring birds, which are birds that can maintain flight without wing flapping, using rising air currents. Many gliding birds are able to "lock" their extended wings by means of a specialized tendon. [1] Bird of prey. Buzzards; Condors; Eagles; Falcons; Harriers; Hawks; Kites; Osprey; Secretary bird; Vultures; Passerine ...
The taxonomic treatment [3] (designation and sequence of orders, families and species) and nomenclature (common and scientific names) used in the accompanying bird lists adheres to the conventions of the AOS's (2019) Check-list of North American Birds, the recognized scientific authority on the taxonomy and nomenclature of North America birds.
In order for birds to balance these forces, certain physical characteristics are required. Asymmetrical wing feathers, found on all flying birds with the exception of hummingbirds, help in the production of thrust and lift. Anything that moves through the air produces drag due to friction. The aerodynamic body of a bird can reduce drag, but ...
The California condor is one of North America's most endangered birds. A comprehensive listing of all the bird species confirmed in the United States follows. It includes species from all 50 states and the District of Columbia as of July 2022. Species confirmed in other U.S. territories are also included with other "as of" dates.
Playwright Anna Ouyang Moench's 'Birds of North America' has its Los Angeles premiere at the Odyssey Theatre in a production starring Arye Gross and Jacqueline Misaye.
This defies some earlier theories that extant condors, swans, and bustards represent the size limit for flying birds. The wing loading of Argentavis was relatively low for its size, a bit more than a turkey's, [5] and if there were any significant wind present, the bird could probably get airborne merely by spreading its wings, just like modern ...
Earthflight is a British nature documentary that shows a flight from the view of the wings of birds across six continents, showing some of the world's greatest natural spectacles from a bird's-eye view. [1] The BBC series was created by John Downer and narrated by David Tennant and consisted of six 60-minute episodes.
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