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The common nighthawk or bullbat (Chordeiles minor) is a medium-sized [3] [4] crepuscular or nocturnal bird [3] [5] of the Americas within the nightjar (Caprimulgidae) family, whose presence and identity are best revealed by its vocalization.
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 ...
[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 ...
Numerous studies find bird migration is changing in response to warmer temperatures for some migrating birds. ... on the Conservation of Migratory Species of Wild Animals listed climate change as ...
A number of species undertake migrations, although the secretive nature of the family may account for the incomplete understanding of their migratory habits. Species that live in the far north, such as the European nightjar or the common nighthawk, migrate southward with the onset of winter.
For foraging habitat, evening bats in Georgia prefer pine forest, riparian zones, and open fields. [19] Evening bats have home ranges of approximately 300 hectare (1.15 mi 2). [19] Because the evening bat is not found in the northernmost extent of its range in the winter, it is likely that at least some evening bats are migratory. [4]
The blue jay (Cyanocitta cristata) is a passerine bird in the family Corvidae, native to eastern North America. It lives in most of the eastern and central United States; some eastern populations may be migratory. Resident populations are also in Newfoundland, Canada; breeding populations are found across southern Canada.
Native birds of the West Coast of the United States (33 P) R. Native birds of the Rocky Mountains (14 P) S. Birds of the Sierra Nevada (United States) (21 P)