Science news articles about 'birds'

  • Climate change threatens tropical birds

    ... likely number of land bird extinctions, without additional ... would predominantly affect tropical bird communities, especially species living ... 100 to 500 additional bird extinctions." The Intergovernmental ...
  • Birds do better in 'agroforests' than on farms

    ... and chocolate promote greater bird diversity, although a new ... published studies that examined bird communities in forests, agroforests ... -- Insectivores or insect-eating birds do best in forests -- ...
  • Prehistoric birds lacked in diversity

    ... measurements and the birds' behavior. Toothy birds However, the ... sample of ancient birds. "These birds are very ... birds were less diverse than modern birds. In particular, larger birds and water birds ...
  • Some aspects of birding not always environmentally friendly, professor says

    ... single species of bird." However, competitive birding was a direct ... strong connections between bird-watching – even competitive birding – and ... today in many bird-watching and birding circles. "There' ...
  • Shade coffee is for the birds

    ... forest specialists -- especially insect-eating birds of the forest understory -- were ... understory specialists "are among the birds most threatened with extinction globally ...
  • Research reveals trend in bird-shape evolution on islands

    ... including island area, overall bird species richness, raptor species ... muscles. Previous studies of birds evolving on islands focused ... measured additional thousands of bird skeletons from museums across ...
  • Why do some bird species lay only 1 egg? UC San Diego study offers some answers

    ... ornithologists and millions of bird enthusiasts have been collecting ... detailed data about birds' lives for centuries," ... questions asked about birds: Why do bird species lay different ...
  • Discovery raises new doubts about dinosaur-bird links

    ... are more consistent with birds having evolved separately from ... on separate evolutionary paths into birds, crocodiles and dinosaurs. ... displays, he said, the birds-descended-from-dinosaurs evolutionary ...
  • Archaeopteryx was not very bird-like

    ... was considered the archetypical bird primarily because it had ... among dinosaurs to the birds including Velociraptor mongoliensis and ... pound, than living birds, and that bird-like metabolic characteristics ...
  • Birds fight alien parasites

    ... biologists found that finches – the birds Darwin studied – develop antibodies ... to show a wild bird species produces antibodies aimed ... studies found immune responses by birds injected with a foreign ...
  • Migratory birds, domestic poultry and avian influenza

    ... and infection by migratory birds. Trade in poultry, ... data from international migratory bird surveillance and commercial poultry ... global surveillance of migratory birds and commercial poultry trading ...
  • Tooth loss in birds occurred about 116 million years ago

    ... multiple occasions within vertebrates including birds, turtles, and a few ... common ancestor of all living birds. Springer, Meredith, and ... "What makes a bird a bird?" "The new bird genomes represent a ...
  • Birds migrate together at night in dispersed flocks, new study indicates

    ... be important for distinguishing birds from bugs. In collecting ... time. Determining whether two birds were actively traveling together was ... analysis demonstrated that the birds were following their own ...
  • Brown tree snake could mean Guam will lose more than its birds

    ... throughout the community if birds are fundamental components of ... negative effects. If native birds performed those functions on ... notes that recent studies show bird populations are declining worldwide, ...
  • Climate change makes migrations longer for birds

    ... migrations. The protection of bird species within the European ... latter specifically designated to protect birds. The research predicts that ... rise and habitats change, birds will face their biggest ...

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