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  • The importance of artificial wetlands for birds: A case study . . .
    9,000 km2 [45] It is recognized as an important area for birds, with over 400 species recorded [46] About one-third of the species are resident, while the rest are either regular or occasional migrants [45,46] Millions of birds use the island’s habitats as stopover sites or wintering gro-
  • APEP 4 - British Trust for Ornithology
    presented for all species included in APEP 3 and for additional species (including non-natives) with at least one case of proven breeding from 2011 onwards Non-breeding season estimates for winter visitors are included only for waterbirds and a small number of other species included in APEP 3
  • Extinction - American Bird Conservancy
    No Bird Extinctions Allowed The situation of the Wood Thrush is dire, but 91 other bird species are much worse off These are the Alliance for Zero Extinction bird species of the Americas —those found only in a single site and surviving on the edge
  • Tree of Life for modern birds revealed - The Australian Museum
    Songbirds include familiar birds such as magpies, ravens, finches, honeyeaters and fairy-wrens They originated in Australia about 50 million years ago and have become the most successful group of birds, making up nearly half of all bird species worldwide Despite the enormous scale of the latest genome study, there is one mystery that continues
  • eBird Best Practices : Help Center
    Counting individual birds provides incredibly valuable data for understanding bird populations Putting “X” only tells us the species was present - but there could be anywhere from 1 to 1,000,000! If you’re studying bird populations, knowing whether there were 40 or 40,000 individuals makes all the difference
  • Australias big birds - Australian Geographic
    Australia is home to some very large, charismatic birds In fact, the emu is the second largest in the world, after the ostrich Extremely large beaks, stilt-like legs and long necks are what set these birds apart These guys are also among the last survivors of some mostly extinct bird groups
  • The loneliest trees: can science save these threatened . . .
    Nearly one-third of trees — more than 17,500 species — are threatened with extinction This is more than twice the number of threatened mammals, birds, amphibians and reptiles combined 1 Mass





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