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Resultados para: bird migration

3 produtos
  • e-book

    RSPB Migration Hotspots - The World'apos;s...

    Harris,Tim
    (9802362)

    Each spring and autumn hundreds of millions of birds - wildfowl, shorebirds, raptors, and passerines - migrate between higher and lower latitudes, or in some cases between high latitudes in the northern hemisphere and high latitudes in the southern...

  • e-book

    RSPB Migration Hotspots - The World'apos;s...

    Harris,Tim
    (9798012)

    Each spring and autumn hundreds of millions of birds - wildfowl, shorebirds, raptors, and passerines - migrate between higher and lower latitudes, or in some cases between high latitudes in the northern hemisphere and high latitudes in the southern...

  • e-book

    The Avian Migrant - The Biology of Bird...

    Rappole,John H.
    (5002926)

    The purpose of migration, regardless of the distance involved, is to exploit two or more environments suitable for survival or reproduction over time, usually on a seasonal basis. Yet individual organisms can practice the phenomenon differently, and...

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