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  2. When do Hummingbirds leave? As migration starts, how to spot ...

    www.aol.com/hummingbirds-leave-migrations-starts...

    When migration season begins, Ruby-throated hummingbirds are still abundant throughout the eastern half of the U.S., according to the Audubon Society's online bird migration explorer tool. "By ...

  3. Track seasonal bird migration with National Audubon ... - AOL

    www.aol.com/track-seasonal-bird-migration...

    The Bird Migration Explorer, launched on September 2022, is an online tool that allows visitors to track the journeys of more than 450 migratory birds that regularly occur in the United States and ...

  4. Sorenson: Does an early spring mean early bird migration ...

    www.aol.com/sorenson-does-early-spring-mean...

    Some birds arrive here after only a short jaunt north, having spent the winter maybe no farther south than coastal states. Think house wren, catbird, phoebe, or blue-gray gnatcatcher.

  5. Bird migration - Wikipedia

    en.wikipedia.org/wiki/Bird_migration

    A common pattern in North America is clockwise migration, where birds flying North tend to be further West, and flying South tend to shift Eastwards. Many, if not most, birds migrate in flocks. For larger birds, flying in flocks reduces the energy cost. Geese in a V formation may conserve 12–20% of the energy they would need to fly alone.

  6. Hawk - Wikipedia

    en.wikipedia.org/wiki/Hawk

    The autumn migration season begins in August and ends mid-December, and different types of hawk choose different times in each season to migrate. Some migration distances are longer than others, and birds traveling longer distances tend to depart in early autumn while those traveling shorter distances start much later.

  7. Animal migration - Wikipedia

    en.wikipedia.org/wiki/Animal_migration

    Bird migration is controlled primarily by day length, signalled by hormonal changes in the bird's body. [20] On migration, birds navigate using multiple senses. Many birds use a sun compass, requiring them to compensate for the sun's changing position with time of day. [21] Navigation involves the ability to detect magnetic fields.

  8. Climate change leaves some migrating birds 'out of sync' and ...

    www.aol.com/climate-change-leaves-migrating...

    While Parker birds for fun in Maine, for work he monitors two migratory bird species, the Eastern whippoorwill and the common nighthawk, one of the longest distance migratory birds in North America.

  9. Common starling - Wikipedia

    en.wikipedia.org/wiki/Common_starling

    In North America, northern populations have developed a migration pattern, vacating much of Canada in winter. [95] Birds in the east of the country move southwards, and those from farther west winter in the southwest of the US.