Surnia ulula ORDER: STRIGIFORMES FAMILY: STRIGIDAE
IUCN Conservation Status: Least Concern
© 2004 Cornell Lab of Ornithology
A bird of boreal forests, the Northern Hawk Owl is distinctive among owls for its morphology and behavior. In winters of food scarcity, it irrupts southward into southern Canada and the northern United States.
Call of male is a rolling whistled "ulululululul," lasting up to 14 seconds. Female has a similar but shorter and hoarser call. Alarm call is rapid, high, "kip-kip-kip-kip."