This species roosts communally (up to 30 individuals) at night during the nesting period and prior to migration (Bensen 1992, Haverschmidt 1977, Millsap 1987, Meyer 1995, Meyer 1998, Meyer and Collopy 1995).
Potential predators, especially of eggs and young, include common crow, turkey vulture, black vulture, red-shouldered hawk, peregrine falcon, sharp-shinned hawk, bald eagle, osprey, short-tailed hawk, red-tailed hawk, great horned owl, barred owl, raccoon, and monkeys (Gerhardt et al. 1991, cited in Meyer 1995, Meyer and Collopy 1995, Short 1974, Snyder 1974).
Strong winds, especially those associated with storms, can blow young from the nest or topple tall trees used for nesting (Cely and Sorrow 1990, Snyder 1974).
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