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Home > Coniferous Forest Animals > Hawk Owl

Hawk Owl

The hawk owl is a non-migratory bird that generally resides in its breeding range with rare southward irruptions. These owls are different from other owls in the sense that they are diurnal and hunt for prey in the course of the day giving them the nickname day owl.

Hawk owls are so called as they resemble falcons more than owls. Their habits and behavior are similar to those of the smaller hawks giving rise to its name. Their flight is similar to that of accipiter hawks on account of their long tails and pointed wings.

Hawk Owl

Hawk Owl

They have a noisy flight compared to nocturnal owls due to their stiffer feathers. These birds are very common in open coniferous forests and deciduous foliage like birch, willow, larch and poplar.

Nothern Hawk Owl

Nothern Hawk Owl

Scientific Classification

Kingdom Animalia
Phylum Chordata
Class Aves
Order Strigiformes
Family Strigidae
Genus Surnia
Species Surnia ulula

Quick Information

Other Popular Names American Hawk Owl, Hudsonian Hawk Owl and Canadian Owl, Northern Hawk Owl, Chouette eperviere (French), Lechuza gavilana (Spanish)
Size 36 to 41 cm
Weight Males 215-375 gmsFemales 323-392 gms
Color Dark chocolate brown body covered with white spots, creamy white under parts barred with cinnamon stripes
Distribution Alaska, Canada and Eurasia. May migrate to warmer locations like Southern Canada and Northern United States  during winter
Habitat Coniferous forests, tamarack bogs, birch scrub, muskeg
Sound  Mating Calls- ululul and tuwita witAlerting Calls- rike, yip and kiFemales’ calls are shriller and less constant
Clutch  Size 6 to 10 (maximum 13)
 Incubation Period 25 to 30 days
Lifespan 10 years
Diet Mice, shrews, lemmings, small birds, and insects. Eats small mammals in summer and small birds in winter
Predators Great horned owl, gyrfalcon, lynx, northern goshawk, golden eagle and peregrine falcon. Eggs and nestlings: Weasel and marten
IUCN Conservation Status Least Concern
Hawk Owl Photos

Hawk Owl Photos

Hawk Owl Feathers

Hawk Owl Feathers

Behavior

Apart from the daytime, the owl is also active at dawn and dusk. It has the habit of perching on trees to locate prey on the ground, and then it moves in for the kill with very high speeds.

These birds are extremely search oriented and do not spend much time in an area that is not showing up any prey. Like most other raptors, they perch on tree branches to locate prey, flying in for the kill once they set their target.

Hawk Owls

Hawk Owls

Mating and Reproduction

The breeding season for these owls starts in the beginning of spring usually in March. The male lays the foundation for a nest territory and begins attracting females using its calls and flight displays. If a female is interested in the male, the couple fortifies their intimacy, making cheerful calls, rubbing their beaks and display of plumage.

Baby Hawk Owl

Baby Hawk Owl

Before the onset of the mating rituals, the male stores food around the nest and offers the female with prey. In case there is a dearth of food supply, hawk owls may not breed at all. The nests of these birds are mostly found in hollow trunks and cavities of worn out trees. Some owls are loyal to their old nest sites and prefer to use them again and again; however, this is more of a rarity with most owls going for new nests.

Hawk Owl Nest

Hawk Owl Nest

Life Cycle

After the end of the process of nest building, the female lays a clutch of around three to seven eggs during the months of April and the beginning of May. The process of incubation is mostly carried out by the female and lasts for 25 to 30 days. After hatching, the female also takes care of the babies for another 10 to 14 days.

During this critical juncture, the male is the only hunter and it provides food to the female as well as the immature nestlings. The juvenile birds are ready to leave their maternal abode when they have completed three weeks of age. They are not able to make long flights but can fly for short distances.

These growing fledglings stay close to the nest site for the following three to five weeks. They receive nutrition as well as protection from their parents till they become fully independent at the age of around two and a half to three months. The juvenile birds are believed  to become ready for breeding on completion of one year of age.

Nothern Hawk Owl Pictures

Nothern Hawk Owl Pictures

Hawk Owl Images

Hawk Owl Images

Adaptations

The hawk owl has very powerful eyesight and can locate prey from a long distance of around 800m. The wings of this owl are shaped in such a way that they help them in hovering in the sky like kestrels, aiding in hunting. They sometimes catch birds in the middle of their flights and can catch rodents hidden under the snow with their ability to detect movements only by sound.

Hawk Owl Pictures

Hawk Owl Pictures

Hawk Owls

Hawk Owls

Interesting Facts

  • These owls are also called as earless owls because they do not have real ear tufts.
  • They have a tame nature and may allow humans to approach it without any hesitation.
  • The Northern pygmy owl is the closest relative of the hawk owl.
  • This is the only living species in the genus Surnia and family Strigidae.
  • Greetings between a paired couple are a soft uih or ugh.
  • The hawk owl is recognized as a bird of falconry in Ontario and can be utilized to hunt game, but only with proper license.

References:

  1. http://www.allaboutbirds.org/guide/ Northern_Hawk_Owl/lifehistory
  2. https://www.adfg.alaska.gov/static/education/wns/northern_hawk_owl.pdf
  3. https://www.audubon.org/field-guide/bird/northern-hawk-owl
  4. https://www.iucnredlist.org/species/22689189/206518616
  5. http://animaldiversity.org/accounts/ Surnia_ulula/

Published on August 5th 2015 by admin under Coniferous Forest Animals.
Article was last reviewed on 5th December 2022.

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