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  • Toward a Unified List of the World’s Bird Species | All About . . .
    Today the prevailing view among bird taxonomists is the biological species concept, which was first proposed by German-American ornithologist Ernst Mayr in 1942 The biological species concept relies on evidence of reproductive isolation—for example, a group of birds that only breed among themselves due to a barrier such as a mountain range
  • How Many Birds Are There In The World? (Data By Species)
    There are roughly 11,000 species of birds worldwide, found across all continents, with many still waiting to be discovered Discover more: Bird Statistics Facts Sadly, at least some of them will be gone before we first find them Bird populations are facing a global decline due to a number of factors
  • How many different bird species are there? | Birding World
    In 1982, it was believed that there was a world total of between 8,600 and 8,700 species, with the belief that there were only about 50-100 birds left to be discovered That was obviously a huge miscalculation on the part of the bird biologists
  • How Many Bird Species Are There in the World? Right Now!
    Estimating the total number of bird species on Earth is a challenging task, as it requires identifying and describing all of the different types of birds that exist in the world While the exact number of bird species on Earth is difficult to pin down, current estimates suggest there may be anywhere from 9,000 to 11,032 unique species in existence
  • Global Overview of Bird Diversity: How Many Bird Species Exist?
    The Earth is home to an incredible diversity of bird species, living in practically every habitat, from the open oceans to the arid deserts In some parts of the world, these animals have adapted and specialized to such an extent that it is possible to encounter hundreds of different species, all
  • AviList: A Unified Global Checklist of the Worlds Birds is . . .
    The new checklist recognizes 11,131 species of birds in the world, classified within 252 families The AviList team worked for four years to harmonize the global checklist of birds with the aim of providing a single list of species names making it easier to compile and share information on bird species to improve conservation outcomes
  • Birds of the World - Cornell Lab of Ornithology
    Text: Take a deep dive into the remarkable world of birds with: Audio: A bird singing Text: The Cornell Lab of Ornithology - Birds of the world Video: A grid of website pages with photos of birds Text: 10721 species accounts, 249 family accounts Video: An animated map of bird migration across the Western hemisphere Text: Range and migration maps





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