Birds Are Vanishing From North America - The New York Times A survey of 529 bird species in the United States and Canada found that bird populations have fallen by 29 percent since 1970, a loss of nearly three billion birds Bird population change since
Bird Academy’s A-to-Z Glossary of Bird Terms - All About Birds An assemblage of the still-dependent young of two or more (usually many) breeding females, attended by one or more adults Bird species whose young form creches include some pelicans, flamingos, geese, penguins, parrots, jays, and terns; creches of King Penguins and Emperor Penguins may contain several thousand young
Habitat niches of bird species along a recovery gradient in . . . Conservation programs need improved tools to measure the recovery of animal diversity across restoration gradients We used soundscapes and expert identifications of bird species to calculate niche position (i e , mean of environmental conditions across all areas a species occupies) and niche breadth (i e , the standard deviation of the species distribution) along a recovery gradient; from
List of parrots - Wikipedia Eastern Brazil, west of the Brazil Bolivia border, south of the Madeira River, and north of the Araguaia River: Bonaparte's parakeet: P lucianii (Deville, 1851) LC: Northwest Amazon rainforest in Brazil Rose-fronted parakeet: P roseifrons (Gray, 1859) LC: Along the Peru Brazil border and Peru Bolivia border Wavy-breasted parakeet: P peruviana
Bird colony - Wikipedia The Bird Island Nature Reserve in Lambert's Bay, Western Cape, South Africa A bird colony is a large congregation of individuals of one or more species of bird that nest or roost in proximity at a particular location Many kinds of birds are known to congregate in groups of varying size; a congregation of nesting birds is called a breeding colony
Birds of Brasilia - Photos and Sounds Learn to recognise the Birds of Brasilia in an easy, interactive way through photos and sounds of birds found in the Cerrado, the Centre-West of Brazil They are divided into 7 categories: urban, forest, field, water, night, migratory and prey