Chaetura pelasgia, Print, Chaetura is a genus of needletail swifts found in the Americas. Although they resemble swallows, the two are not at all closely related; this is instead a result of convergent evolution. Some members of Chaetura are long-distance migrants, while others are year-round residents., 1700-1880

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Chaetura pelasgia, Print, Chaetura is a genus of needletail swifts found in the Americas. Although they resemble swallows, the two are not at all closely related; this is instead a result of convergent evolution. Some members of Chaetura are long-distance migrants, while others are year-round residents., 1700-1880

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Keywords: 1700-1880, americas, chaetura, closely, convergent, evolution, genus, long-distance, members, migrants, needletail, pelasgia, print, related, resemble, residents, result, swallows, swifts, year-