<%@LANGUAGE="JAVASCRIPT" CODEPAGE="65001"%> Great Horned Owls
Willowbrook Wildlife Center Raptor Volunteer Interpreteres

Great Horned Owl
Bubo virginianus

 

 

 

 

Education birds representing this species: Andre and Tonka - this species is also represented on the Exhibit Trail

Interesting Facts:

  • "King of the Forest"
  • Second largest owl in North America
  • Only consistent predator of the skunk - has little to no sense of smell!
  • All owls have feathers on their feet and it seems it serves many purposes - see June 5th update for details.

Physical Dimensions:

  • wing span ~3.5-4.5 feet
  • weight ~2-5.5 pounds (females larger)

Prey

  • small mammals
  • rabbits
  • insects
  • woodchucks
  • geese
  • herons
  • scorpions
  • other owls
  • amphibians
  • reptiles

Hunting Techniques:

  • Mostly flies from perches next to open areas
  • Silent flyers - surprises prey

Range:

  • Nearly all of North America and parts of South America
  • no regular migration - though individuals may wander if necessary

Great Horned Owl Distribution Map

Color:

  • no sexual dimorphism (when males and females differ in coloring). Sexual dimorphism is unusual in raptors.

Reproduction:

  • Does not build its own nest - takes over abandoned crow, squirrel or hawk nests. Big sloppy stick nests, sometimes with oak leaves. Likes holes in trees, tops of dead trees/snags - 15-90 feet above ground.
  • "Builds" nest in late January-May
    1-4 eggs
    30-37 days of incubation
    "Branchers" at 6-10 weeks (stay in their birth tree and surroudning ground/shrubs)
    Truly fledged at 10-26 weeks
    Independent of parents at 6+ months old

Conservation:

  • No conservation issues.