Strix Varia

Barred Owl

Dense woods, swamps, and forested river bottoms

The Barred Owl, Strix varia, is a large North American owl known for its distinctive hooting call, which sounds like 'Who cooks for you? Who cooks for you all?' This species has a rounded head with no ear tufts, deep brown eyes, and a mottled brown and white plumage that provides excellent camouflage against the bark of trees. Adults typically measure about 40 to 63 centimeters in length, with a wingspan ranging from 96 to 125 centimeters. The barred pattern on its chest and vertical streaks on its belly give the Barred Owl its name. These features, along with its striking face, marked by a concentric arrangement of brown and white feathers, make it a particularly striking bird.

Barred Owl
Population:Widespread and stable
Generation Length:4-5 years
Average Weight:500-1,050 grams
Average Length:40-63 cm
Lifespan:10-23 years in the wild, longer in captivity
Diet:Varied, primarily small mammals and rodents
Conservation Status:Least Concern (LC)
Echological Profile

The Barred Owl prefers dense woodlands with large, mature trees, often near water. It is predominantly found in the eastern United States but has expanded its range into the Pacific Northwest and Canada, where it competes with the threatened Spotted Owl. Barred Owls are highly territorial and mostly nocturnal, hunting from perches with a silent flight. They have adapted well to human presence and can occasionally be seen or heard in suburban parks and forested residential areas. Their call is often the most reliable indicator of their presence in a given area.

The diet of the Barred Owl is varied and includes small mammals, birds, amphibians, and invertebrates. They are opportunistic hunters and are known to prey on a wide range of forest-dwelling creatures, from mice and voles to rabbits, bats, and even other smaller owls. Their hunting strategy involves watching quietly from a perch before swooping down on prey with deadly accuracy in almost complete silence, thanks to their feather structure.

Mating and reproduction for Barred Owls involve monogamous pairs that often remain together in the same territory for many years. Nesting usually takes place in the hollows of large trees, but they can also use abandoned nests of other large birds. The female typically lays 2 to 4 eggs, which she incubates for about 28 to 33 days while being fed by the male. The young owlets are cared for by both parents and start to venture from the nest after 6 weeks, though they are not proficient flyers until around 10 weeks old.

The population of the Barred Owl is considered stable and has been increasing in some areas, partly due to the proliferation of suitable habitats created by logging and the abandonment of farmland. However, their expansion has raised concerns for the conservation of the Spotted Owl in the west, where competition for habitat has become an issue. Conservation efforts for Barred Owls focus on understanding their impact on other owl species and maintaining healthy forest ecosystems that support their diverse prey base.

A Taxonomy for All Living Things
Classifications
Domain
Eukaryota
Kingdom
Animalia
Phylum
Chordata
Class
Aves
Family
Strigidae
Genus
Strix
The Key Attributes

Features

  • Movement:

    Flight

  • Territorial Behavior:

    Territorial, especially during breeding season

  • Speed:

    Not specified; known for silent flight due to feather structure

  • Diet:

    Carnivore


  • Physical Features:
    • Barred plumage on the chest and belly
    • Round head with no ear tufts
    • Dark eyes
  • Primary Senses:
    • Hearing
    • Sight
Understanding Habitat and Range

Geography

  • Habitat:

    Dense woods, swamps, and forested river bottoms

  • Migration Patterns:

    Non-migratory

  • Geographical Range:

    Eastern United States, extending into Canada and southward into Central America

  • Climate Preferences:

    Temperate

Navigating the Wilderness

In the wild

  • Predators:

    Few natural predators; young may be threatened by raccoons, other large birds of prey

  • Prey:

    Small mammals, birds, amphibians, and insects

  • Feeding Behavior:

    Nocturnal, hunting from perches with sudden flights to snatch prey

  • Diet:

    Varied, primarily small mammals and rodents


  • Defensive Mechanisms:
    • Camouflage
    • Silent flight
  • Preferred Food Sources:
    • Mice
    • Voles
    • Rabbits
    • Small birds
Insights Into Reproduction

Mating

  • Mating System:

    Monogamous

  • Number of Offspring:

    2-4 eggs

  • Incubation Period:

    28-33 days


  • Parental Involvement:
    • Both parents care for the young, with the male primarily hunting and the female tending to the chicks
Wild Fun for Young Explorers
Youngsters Section
Barred Owl
Fun Fact

Barred Owls are known for their distinctive "Who cooks for you? Who cooks for you all?" call.

These owls are native to North America and prefer wooded areas. They have striking brown and white striped plumage, which helps them blend into their forest habitat. Barred Owls have excellent night vision and silent flight, making them efficient nocturnal hunters.

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