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North America’s grassland birds are deeply in trouble 50 years after adoption of the Endangered Species Act, with numbers plunging as habitat loss, land degradation and climate change threaten ...
NYC Bird Alliance was originally named in honor of John James Audubon, an ornithologist and naturalist who shot, [1] painted, catalogued, and described the Birds of North America. Audubon was a slave owner and anti-abolitionist, and while the National Audubon Society decided to retain the name, multiple local organizations have opted to change it.
According to the International Union for Conservation of Nature (IUCN), 77 bird species in the United States are threatened with extinction. [1] The IUCN has classified each of these species into one of three conservation statuses: vulnerable VU, endangered EN, and critically endangered CR (v. 2013.2, the data is current as of March 5, 2014 [1]).
Birds are also threatened by high rise buildings, communications towers, and other human-related activities and structures; estimates vary from about 3.5 to 975 million birds a year in the North America alone. [18] The largest source of human-related bird death is due to glass windows, which kill 100–900 million birds a year.
The hemisphere’s most unusual rescue mission is unfolding in Hawaii. Long the world’s capital of extinction, the state has already lost more than two-thirds of its 140 native bird species ...
The birds may fly over Mexico and through Central America on their migration journey. “Purple Martins are probably leisurely migrants that fly only during the day and forage as they go,” the ...
Birds of North America is an American documentary web series produced by Topic and distributed by YouTube. It was directed by Rob Meyer and hosted by naturalist and birdwatcher Jason Ward . [ 1 ] [ 2 ] The series, which regularly featured Jason's brother Jeffrey, [ 3 ] was first announced on March 8, 2019, [ 4 ] and the first episode aired on ...
Researchers who examined data on over 150,000 nesting attempts found that birds in agricultural lands were 46% less likely to successfully raise at least one chick when it got really hot than ...