Boreal Owl

Boreal Owl

Boreal Owl

© Bill McMullen

Construction Difficulty

moderate difficulty moderate

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Nesting Range

Boreal Owl Range
Source: Birds of the World

Nesting Habitat

  • icon Forest
  • icon Mountain

Attach Nest Box To

  • Dead Tree icon Dead Tree
  • Live tree icon Live tree

Known Nesting Period

Not Nesting
Some Nesting Occurrence
Nesting in Most of Range
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
Source: Birds of the World

Nest Box Placement

Height Range From Ground

16ft
20ft
16–20 feet

Spacing Between Nest Boxes

330 feet

Facing

Entrance hole facing visualization
Any

Nest Box Measurements

Entrance Hole Size

Entrance hole size visualization 3" x 4"

Nest Box Depth (inside)

Nest box depth visualization 17 3/8"

Nest Box Width and Length

Nest box width and length visualization 9 5/8" 11 1/4"

Helpful Tips

  • Place 3" wood shavings in box floor.
  • The front of the box should not be obscured by branches.
  • Areas with scattered clumps of tall conifers are more desirable.