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  • Why do birds have different wingspan? - Birdful
    Species for which flight is essential, like seabirds, tend to have large wingspans optimized for migration, foraging, and mate-finding Flightless species like penguins and ostriches have wings that are vestigial and small since they play no role in locomotion Birds that use flight less have been able to reduce wingspan over evolutionary time
  • Wild Bird: Understanding Colorful Birds - Kaytee
    Bright colors are also more common in tropical birds Birds in tropical habitats are surrounded by bold flowers and bright foliage year-round, making brighter feathers good camouflage in these colorful habitats Why Male Birds Are More Colorful Many bird species are dimorphic, which means male and female birds are very visually different
  • Bird ID Skills: How to Learn Bird Songs and Calls | All About . . .
    Play them often to help the sounds stick in your mind Our All About Birds guide has sounds for more than 650 North American species, with many thousands more available at the Cornell Lab of Ornithology’s Macaulay Library You can also use our free Merlin Bird ID app to listen to songs and calls of birds from all over the world 5 Mnemonics
  • Bird species extinct in Europe returns, and humans must help . . .
    More have flown the route that's upward of 550 kilometers (342 miles) each year, and the team hopes the Central European population will be more than 350 birds by 2028 and become self-sustaining
  • Colorful Birds | 36 Most Beautiful Birds | Pretty Birds of . . .
    “The birds of India : being a natural history of all the birds known to inhabit continental India, with descriptions of the species, genera, families, tribes, and orders, and a brief notice of such families as are not found in India, making it a manual of ornithology specially adapted for India : Jerdon, T C (Thomas Claverhill), 1811-1872
  • The Worlds 17 Megadiverse Countries - WorldAtlas
    Australia is an interesting case of mega-biodiversity as it is one of the two developed countries in the list The country harbors between 600,000 and 700,000 different plants and animals There are more than 378 species of mammals, 828 species of birds, 300 different lizards, 140 species of snakes, etc Australia is 1st in the world for endemics
  • How new bird species arise - ScienceDaily
    New Guinea is home to more than 4,600 species of vertebrates, including 700+ bird species Along with Australia, it belongs to the exceptionally unique zoogeographic region of Oceania





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