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[34] [35] However most bird migration is in the range of 150 to 600 m (490–2,000 ft). Bird strike Aviation records from the United States show most collisions occur below 600 m (2,000 ft) and almost none above 1,800 m (5,900 ft). [36] Bird migration is not limited to birds that can fly. Most species of penguin (Spheniscidae) migrate by ...
Charles Dixon. Charles Dixon (1858 – 17 June 1926) was an English ornithologist, born in London.He discovered the St Kilda wren and a new species in North Africa. He collaborated with Henry Seebohm on his great work on British Birds, in the second volume of which he summarized and modified A. R. Wallace's theory of the relation between nests and coloration of birds.
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.
Ronald Lockley (1903–2000), among many studies of birds in over fifty books, pioneered the science of bird migration. He made a twelve-year study of shearwaters such as the Manx shearwater , living on the remote island of Skokholm . [ 7 ]
The East Atlantic Flyway is a migration route used by about 90 million birds annually, passing from their breeding areas in the United States, Canada, Greenland, Iceland, Siberia and northern Europe to wintering areas in western Europe and on to southern Africa. [1] [2] It is one of the eight major flyways used by waders and shorebirds. [3]
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Download as PDF; Printable version; In other projects ... Pages in category "Bird migration" The following 32 pages are in this category, out of 32 total.
An analysis of bird strike data from three airports local to New York City and New Jersey from 2013 to 2018 indicates that 90% of reported bird strikes involved a migratory species, and 50% of strikes occurred during peak annual migration months in the spring and fall. [20]
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