Northern Hawk-owl

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(New page: '''Common Name:''' Northern Hawk-owl<br> '''Scientific Name:''' Surnia ulula '''Size:''' 14.2-17.6 inches (36-44.7 cm); Wingspan: 43.3-47.2 inches (110-120 cm) '''Habitat:''' Northern H...)
Current revision (18:04, 28 April 2015) (view source)
 
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[[Image:NorthHawkOwl.jpg]]
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'''Common Name:''' Northern Hawk-owl<br>
'''Common Name:''' Northern Hawk-owl<br>
'''Scientific Name:''' Surnia ulula
'''Scientific Name:''' Surnia ulula
For the most part the female northern hawk-owl does the incubating of the eggs whilst the male forages for food. Once the chicks have hatched their roles shift drastically. At about two weeks into the chicks lives the female starts to leave the nest for long spans of time (5 hours or more). This span of time is presumably when the female hunts. The male however, will guard the nest diligently until the chicks leave. When predators (usually other raptors) fly nearby, the male will sometimes chase them away from the nest if they feel it is necessary. Once the owlets have grown to a size which allows less parental supervision, they will leave the nest. This occurs on average after their 21st day, and can begin as early as mid-June. After this the female will provide most of the care. However the male will remain close and will still feed his young on occasion. The northern hawk-owl has also been known to nest on cliff sides. It has little fear of humans, and will attack if the young are approached too closely.
For the most part the female northern hawk-owl does the incubating of the eggs whilst the male forages for food. Once the chicks have hatched their roles shift drastically. At about two weeks into the chicks lives the female starts to leave the nest for long spans of time (5 hours or more). This span of time is presumably when the female hunts. The male however, will guard the nest diligently until the chicks leave. When predators (usually other raptors) fly nearby, the male will sometimes chase them away from the nest if they feel it is necessary. Once the owlets have grown to a size which allows less parental supervision, they will leave the nest. This occurs on average after their 21st day, and can begin as early as mid-June. After this the female will provide most of the care. However the male will remain close and will still feed his young on occasion. The northern hawk-owl has also been known to nest on cliff sides. It has little fear of humans, and will attack if the young are approached too closely.
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Cool Facts:''' The northern hawk-owl has been said to resemble a hawk in appearance and in behavior. In North America, its appearance in flight is often considered similar to a Cooper's hawk (''Accipiter cooperii''). It has been suggested that this may be because the hawk-owl may partially fill an important diurnal niche similar to that of day hunters such as hawks.
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'''Cool Facts:''' The northern hawk-owl has been said to resemble a hawk in appearance and in behavior. In North America, its appearance in flight is often considered similar to a Cooper's hawk (''Accipiter cooperii''). It has been suggested that this may be because the hawk-owl may partially fill an important diurnal niche similar to that of day hunters such as hawks.
When alerting to danger, the northern hawk-owl lets out a sound similar to ''rike, rike, rike, rike''. It also releases a high pitched scream followed by a ''yip'' when an intruder is near to the nest. To warn of impending dangers to a fledgling, the hawk-owl will let out a noise similar to ''ki ki kikikikiki''. Calls can vary in length from 15 s to 2 min.
When alerting to danger, the northern hawk-owl lets out a sound similar to ''rike, rike, rike, rike''. It also releases a high pitched scream followed by a ''yip'' when an intruder is near to the nest. To warn of impending dangers to a fledgling, the hawk-owl will let out a noise similar to ''ki ki kikikikiki''. Calls can vary in length from 15 s to 2 min.
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'''Found in Songbird ReMix Owls of the World Volume 2'''
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'''Found in [http://hivewire3d.com/shop/audubon-birthday-sale/songbird-remix-owls-of-the-world-volume-2.html Songbird ReMix Owls of the World Volume 2]'''

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