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Horned Owls are supreme generalists. They are found in more varied habitats than any other owl in North America. They often use wooded habitats, especially during the breeding season when trees or heavy brush provide cover. However they also nest in cliffs in arid areas far from trees. Their preferred habitat is open or fragmented woodland with treeless areas nearby.
Behavior
Like most owls, Great Horned Owls have keen hearing and keen vision in low light, both adaptations for hunting at night. These aggressive and powerful hunters most commonly use a sit-and-wait approach, watching from a perch and swooping down on passing prey to seize it with their talons.
Diet
Great Horned Owls are opportunistic generalists, taking advantage of whatever prey is available. They have the widest prey base of any North American owl. In most places, most of their food consists of mammals such as rabbits, skunks, and large rodents. They also eat a variety of birds, including grouse, coots, and several other species of owl. To a lesser extent, Great Horned Owls also take reptiles, amphibians, fish, and even large insects.
Nesting
Great Horned Owls are early nesters and begin calling in courtship in early winter. Monogamous pairs form long-term bonds. Though they sometimes nest in caves or on cliff ledges, they most often nest in deciduous trees. Great Horned Owls do not build their own nests, but use nests built by hawks, crows, magpies, herons, or other large birds. |
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Post time: 19-9-2018 22:47:25
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