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  • Number of Species on Earth - Current Results
    Altogether the earth's oceans, lakes, continents and islands support over 66,000 identified species of vertebrate animals and more than 307,000 species of plants How many species known to currently exist in the world
  • Bird Facts Stats (With Infographics) [2024] 101 . . . - Birdzilla
    There are 11,188 bird species in the world as of the beginning of 2023 According to the IUCN Red List and as of the beginning of 2023, there are 11,188 bird species in the world They are categorizes them as follows: 159 are extinct; 5 are extinct in the wild; 233 are critically endangered; 413 are endangered; 754 are vulnerable
  • The Origin and Diversification of Birds - ScienceDirect
    The origin of birds is now one of the best understood major transitions in the history of life It has emerged as a model case for using a combination of data from fossils, living species, genealogies, and numerical analyses to study how entirely new body plans and behaviors originate, and how prominent living groups achieved their diversity over hundreds of millions of years of evolution 2, 3
  • Half of Species That Migrate Are in Decline, UN Says
    The first-ever State of the World’s Migratory Species report was launched today by the Convention on the Conservation of Migratory Species of Wild Animals (CMS), a UN biodiversity treaty, at the opening of a major UN wildlife conservation conference
  • Birds of a feather | Nature
    There are almost 10,000 bird species alive today Here Walter Jetz et al present an analysis of the evolutionary relationships, in time and space, between all of these bird populations The
  • More than a billion sparrows in the world, study finds - BBC
    There are at least 50 billion individual wild birds in the world, according to a new estimate House sparrows alone make up about 1 6 billion of these And three other species - European starlings
  • Bird Classifications - Birds. com
    The next smallest unit of bird classification is species In some cases the species is further divided into subspecies, this often occurs because birds of the same species living in a different geographical area may differ slightly There are 9,702 species of birds The genus and species names are used when using a bird’s scientific name





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