Ambient sounds are minimal and there is less competition - at least vocally - with other birds. In both cases, the night holds advantages. Others, like Northern Mockingbirds, are typically active during the day but will vocalize into the night when searching for mates. Why do birds sing at night? Some species, like the Eastern Whip-poor-will, are nocturnal and only communicate after dark because that's when they're awake. Rat and mouse poisons harm Great Horned Owls through their rodent prey, and many owls are injured and killed by collisions with cars and fencing.ĪBC's BirdScapes approach to bird conservation helps to protect habitats throughout the Americas, including the forests Great Horned Owls share with neotropical migrant birds such as the Wood Thrush, Hooded Warbler, and Yellow-billed Cuckoo.ĪBC and partners' efforts to ban the lethal rodenticide d-CON resulted in an agreement to remove it from retail shelves in 2014, helping to protect Great Horned Owls and other raptors, such as the Eastern Screech-Owl and Golden Eagle.For good reason, birds are emblematic of the morning - that's when many are most vocal - but some species find their voice after dark, and listening to these birds chirping at night can be a uniquely enchanting (or eerie) experience. Like most birds, these big owls are vulnerable to habitat loss. Protecting the Winged TigerĪlthough Great Horned Owls are still considered common in many areas, Partners in Flight data show a 27-percent decline in their U.S. Pairs are monogamous and tend to remain on the same territory year after year. The smaller male can be told by his lower call. Great Horned Owl pairs hoot back and forth to each other while courting.
Great Horned Owl and chick by Alan Wilson They may also nest on cliff ledges, in caves, or on broken-off snags. They don't build their own nests, instead reusing the nest of another large bird such as a hawk. Like Bald Eagles, Great Horned Owls begin to nest in late winter, usually December through February. During the day, a resting owl can often be located by watching for a noisy and agitated mob of crows, which harasses the sleepy predator until it silently flaps on to a more sheltered spot. Their dietary flexibility allows Great Horned Owls to live in a wide variety of habitats, including cities.Ĭrows and Blue Jays seem to have a particular dislike of Great Horned Owls, which often raid their roosts by night. Mammals are favored quarry, particularly rodents and rabbits. These include large insects, amphibians, reptiles, and birds, including, on occasion, Peregrine Falcons, other owls, geese, and herons. This powerful hunter captures a wide range of creatures. The Great Horned Owl is a fearsome nocturnal predator, drifting silently through the night on five-foot-wide wings. Sign up for ABC's eNews to learn how you can help protect birds They favor dense forest near open areas, habitat often shared by their daytime counterparts, Red-tailed Hawks. Accessible at Great Horned Owls are non-migratory and territorial, preferring to remain within a home range of several hundred acres. All Great Horned Owls are cryptically colored and blend with their surroundings while roosting. This species varies in plumage color and pattern across its broad range, with 15 recognized subspecies. Like the Barn Owl and Short-eared Owl, the Great Horned Owl has a wide distribution, found from the northern boreal forests of Alaska and Canada south through the mountains and deserts of Patagonia - an impressively large portion of the Americas. Although they are sometimes called "ears," plumicorns have nothing to do with the bird's hearing, and scientists are not sure of their exact function. It's speculated that the tufts may help camouflage the Great Horned Owl within its favored forest haunts. The "horns" atop a Great Horned Owl's head are actually tufts of feathers called plumicorns, meaning “feather horns” in Latin. A Devilish Darker Side?Īlthough this owl may occasionally spook people, it's not a horned devil. But the owl is also seen as a familiar of witches, whose silent flight and spooky calls foretell evil and even imminent death. The “wise old owl” is also a popular motif in children's books and cartoons.
In Native American folklore and Greek myth, owls represent wisdom and helpfulness, and have powers of prophecy. This big owl (the second heaviest in North America after the Snowy Owl) is also called the "hoot owl" after its deep, booming call, which sounds like: “Who's a-wake? Me too!” Early naturalists called the Great Horned Owl the "winged tiger" or "tiger of the air" because of its ferocity and hunting skills.
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