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cowbird    
n. 北美产的燕八哥

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  • Brown-headed Cowbird - All About Birds
    The Brown-headed Cowbird is a stocky blackbird with a fascinating approach to raising its young Females forgo building nests and instead put all their energy into producing eggs, sometimes more than three dozen a summer These they lay in the nests of other birds, abandoning their young to foster parents, usually at the expense of at least some of the host’s own chicks Once confined to the
  • Cowbird - Wikipedia
    One extinct species, Molothrus resinosus, is known from fossil remains recovered from the Talara Tar Seeps of northwestern Peru, and likely went extinct during the late Quaternary It may have been a close associate of Pleistocene megafauna communities, and may have gone extinct following their collapse in populations [7] The convex-billed cowbird (Pandanaris convexa) is another extinct
  • What Is A Cowbird And Why Is It A Nuisance? - Southern Living
    The cowbird is native to North America, and many birders consider it a nuisance Learn about the destructive bird and how to keep it out of your yard
  • Brown-headed cowbird - Wikipedia
    The brown-headed cowbird (Molothrus ater) is a small, obligate brood parasitic icterid native to temperate and subtropical North America It is a permanent resident in the southern parts of its range; northern birds migrate to the southern United States and Mexico in winter, returning to their summer habitat around March or April
  • Brown-headed Cowbird | Audubon Field Guide
    Brown-headed Cowbird is a brood parasite, its eggs and young being cared for by other bird species In breeding season, male displays by fluffing up body feathers, partly spreading wings and tail, and bowing deeply while singing
  • Brown-Headed Cowbird: A Nasty Native Species - Birds and Blooms
    Learn why the brown-headed cowbird is many birders' least favorite—and how to tell cowbird eggs apart from those of other species
  • 6 Types of Cowbirds: Identification with Pictures
    The Shiny Cowbird (Molothrus bonariensis) is a glossy blackbird native to South America but has expanded its range into the Caribbean and parts of North America Like other cowbirds, it practices brood parasitism, often negatively impacting native bird species where it has been introduced Its adaptability has made it one of the most successful cowbirds Identification Small to medium-sized
  • Brown-headed Cowbird - All About Birds
    The Brown-headed Cowbird is a stocky blackbird with a fascinating approach to raising its young Females forgo building nests and instead put all their energy into producing eggs, sometimes more than three dozen a summer These they lay in the nests of other birds, abandoning their young to foster parents, usually at the expense of at least some of the host’s own chicks Once confined to the
  • This bird’s song sounds exactly like dripping water. Scientists just . . .
    Cowbirds are famous for their remarkable song, a bubbling, liquid sound often compared to water droplets splashing into a pond Now, scientists have uncovered how these birds pull off this acoustic trick – and it’s far more complex than previously thought Published in the journal Current Biology, the research shows that the cowbird’s song is produced through a finely tuned mix of
  • Brown-headed Cowbirds - NestWatch
    Brown-headed Cowbirds are native to North America, and have a unique nesting behavior known as brood parasitism Learn all about the ecology of this fascinating behavior, and what, if anything, you need to do about it





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