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  2. Bird migration - Wikipedia

    en.wikipedia.org/wiki/Bird_migration

    Bird migration is a seasonal movement of birds between breeding and wintering grounds that occurs twice a year. It is typically from north to south or from south to ...

  3. Animal navigation - Wikipedia

    en.wikipedia.org/wiki/Animal_navigation

    Animal navigation is the ability of many animals to find their way accurately without maps or instruments. Birds such as the Arctic tern, insects such as the monarch butterfly and fish such as the salmon regularly migrate thousands of miles to and from their breeding grounds, [1] and many other species navigate effectively over shorter distances.

  4. Magnetoreception - Wikipedia

    en.wikipedia.org/wiki/Magnetoreception

    Cry4a levels in migratory birds, which rely on navigation for their survival, are highest during the spring and autumn migration periods, when navigation is most critical. [ 4 ] The Cry4a protein from the European robin , a migratory bird, is much more sensitive to magnetic fields than similar but not identical Cry4a from pigeons and chickens ...

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

    www.aol.com/news/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.

  6. 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. [19] 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. [20] Navigation involves the ability to detect magnetic fields. [21]

  7. Migratory birds are moving through New Mexico. Here's what ...

    www.aol.com/migratory-birds-moving-mexico-heres...

    Bird flu 'ruffles feathers' of cattle in Texas, Kansas, and New Mexico. Migratory birds can have an outsized impact on the human world as well. In March, it was reported by the United States ...

  8. Bird migration perils - Wikipedia

    en.wikipedia.org/wiki/Bird_migration_perils

    Even though migratory bird acts were passed in the early 20th century, many countries still have no laws or programs to protect migratory birds. International bird trade is a multibillion-dollar industry and hundreds of exotic birds are captured and then sold all over the world. Malta, an archipelago of small islands along the Mediterranean, is ...

  9. 'We get a lot of birds': Flyways bring migratory birds to ...

    www.aol.com/lot-birds-flyways-bring-migratory...

    Ohio skies are filled this time of year with hundreds of species of birds flying north for the summer.. The height of the spring migration — known as The Biggest Week in American Birding — is ...