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Thousands of blue jays have been observed to migrate in flocks along the Great Lakes and Atlantic coasts. It migrates during the daytime, in loose flocks of 5 to 250 birds. Much about their migratory behavior remains a mystery.
4 maj 2024 · Yes, Blue Jays do migrate. Like many other bird species, Blue Jays embark on long journeys in response to changes in temperature, food availability, and daylight hours. They seek more favorable conditions for breeding, feeding, and survival.
Species Migrations. Hemispheric weekly distribution data from eBird at the Cornell Lab. Seasonal ranges derived from eBird and data from BirdLife International and Audubon. The following partners contributed to the development of this map. Data Sources. There are no sources to cite for this data.
No one has worked out why they migrate when they do. Blue Jays are known to take and eat eggs and nestlings of other birds, but we don’t know how common this is. In an extensive study of Blue Jay feeding habits, only 1% of jays had evidence of eggs or birds in their stomachs.
Not all blue jays migrate; whether they do or not depends on the population and the region they inhabit. In areas where the blue jay is migratory, it stays in the breeding grounds during the warmer months and then moves southward in winter.
17 lip 2024 · Blue jay migration is complex, with some birds migrating and others staying in their range year-round. Food availability, weather conditions, and genetics influence whether a blue jay migrates. Blue jays typically migrate in spring from mid-April to June and in fall from September to October.
