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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 north. Migration is inherently risky, due to predation and mortality. The Arctic tern holds the long-distance migration record for birds, travelling between Arctic breeding grounds ...
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 ...
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]
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.
“Birds are moving through areas that at one time was a more natural habitat, and it would be a great stopover place for migration, but now are more developed areas that pose risks,” McCulloch ...
It also includes migration alerts and a dashboard that provides radar-based measurements of nocturnal bird migration at county and state levels in the contiguous United States. Most bird ...
The passing of the Migratory Bird Treaty Act of 1918 in the United States resulted in a need for more information on bird migration. Frederick Charles Lincoln was put in charge and improved methods for trapping and banding, developed record-keeping procedures, recruited banders, fostered international cooperation, and promoted banding as a tool for research and wildlife management.
A variety of small, colorful birds are making their way to Kentucky soon. Here’s advice from a local birding expert on what to look for. ‘Blindingly gorgeous’ spring birds will migrate to KY ...