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  • Declines, disease and dangers – the issues facing birds
    Yes There has been a serious decline in the numbers of many birds, including the Song Thrush, Skylark, Lapwing and House Sparrow This decline has been gradual Most of the declining species are farmland birds Woodland species like Blue Tit, Nuthatch and Great Spotted Woodpecker are still on the Green list of least conservation concern
  • Brown and black birds – Global Birding Initiative
    A brood parasite is a type of bird that doesn’t build nests, but instead lays its eggs in the nests of other birds Brown-headed Cowbirds have been reported to lay their eggs in the nests of hundreds of other bird species
  • 6 Basic Animal Groups - ThoughtCo
    Birds are characterized by their coats of feathers, their warm-blooded metabolisms, their memorable songs (at least in certain species), and their ability to adapt to a wide range of habitats Take, for example, the ostriches of the Australian plains and the penguins of the Antarctic coastline
  • UKBI - Birds of the wider countryside and at sea | JNCC . . .
    The index can be disaggregated into four sub-habitat indicators: birds of fast flowing water (4 species); birds of slow and standing water (6 species); birds of reedbeds (4 species) and birds of wet grasslands (8 species) The breeding water and wetland bird populations have declined by 10% since 1975
  • Sparrows Browse by Shape, All About Birds, Cornell Lab of . . .
    Browse North American birds by shape—helpful if you don’t know exactly which type of bird you’ve seen Search for species name or keywords Search
  • State of the World’s Birds (2018) - BirdLife International
    The 2018 State of the World’s Birds report, which provides a comprehensive look at the health of bird populations globally, has found that the extinction crisis has spread so far that even some well-known species are now in danger A number of well-known bird species are now at risk of extinction
  • Update: Now 34 Birds of North America accounts are open access
    More information on threats to shorebird species is available from the U S Fish and Wildlife Service The information comes from our Birds of North America Online series—a set of accounts that summarize the state of scientific knowledge for every species of bird in the U S and Canada The accounts are normally available on a subscription





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