Hooded Merganser

Nest box Plan and Information

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Hooded Merganser
© Roy DeLonga
Construction difficulty:
moderate

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Nesting Range

Hooded Merganser Range Source: BNA Online

Nesting Habitat

  • Forest
  • Marsh
  • River

Attach Nest Box To

  • Live tree
  • Pole
  • Post

Known Nesting Period

Not Nesting
Some Nesting Occurence
Nesting in Most of Range
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
Source: BNA Online

Nest Box Placement

Nest Height:
6ft
25ft

6–25 feet

Minimum Spacing:

100 feet

Facing:

Toward Water

Nest Box Measurements

Entrance Hole:

3" high x 4" wide

Depth:

24"

Width & Length:

8"

9 1/4"

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Helpful Tips

  • Install nest boxes by mid-March near, or over, water.
  • Add 2–3 inches of wood shavings to the bottom of the box.
  • Avoid disturbing nesting females early in the egg-laying stage.
  • Hooded Merganser eggs can be reliably told apart from Wood Duck eggs by their unusually thick eggshells.