Ducks and geese (Anatidae)

Hooded Merganser

Lophodytes cucullatus. Small fish, crayfish and aquatic insects.

Ducks and geese (Anatidae)Hooded MerganserLophodytes cucullatus
Scientific name
Lophodytes cucullatus
Length
15.8–19.3 in
Weight
16–31 oz
Nest
Tree cavity or nest box near water
Entrance hole
4 × 3 in oval
Clutch
6–18 eggs
Incubation
26–41 days
Broods
1 per season

Identification

  • Male's white fan crest bordered in black
  • Female rusty-crested and grey-brown
  • Thin, serrated fish bill

Voice

Low croaks and grunts; generally quiet.

Diet and feeding

Small fish, crayfish and aquatic insects.

What do hooded mergansers eat? · Best feeder for hooded mergansers

Hooded Mergansers by state and province

RegionStatusNesting
AlabamaYear-round residentJanuary–May
ArizonaWinter visitor—
ArkansasYear-round residentFebruary–May
British ColumbiaSummer breederMarch–May
CaliforniaYear-round residentJanuary–May
ColoradoWinter visitor—
ConnecticutYear-round residentFebruary–May
DelawareYear-round residentFebruary–May
FloridaYear-round residentJanuary–May
GeorgiaYear-round residentJanuary–May
IdahoWinter visitor—
IllinoisYear-round residentFebruary–May
IndianaYear-round residentFebruary–May
IowaYear-round residentFebruary–May
KansasWinter visitor—
KentuckyYear-round residentFebruary–May
LouisianaYear-round residentJanuary–May
MaineYear-round residentMarch–May
ManitobaSummer breederMarch–May
MarylandYear-round residentFebruary–May
MassachusettsYear-round residentFebruary–May
MichiganYear-round residentFebruary–May
MinnesotaYear-round residentMarch–May
MississippiYear-round residentJanuary–May
MissouriYear-round residentFebruary–May
MontanaWinter visitor—
NebraskaWinter visitor—
NevadaWinter visitor—
New BrunswickYear-round residentMarch–May
New HampshireYear-round residentMarch–May
New JerseyYear-round residentFebruary–May
New MexicoWinter visitor—
New YorkYear-round residentFebruary–May
North CarolinaYear-round residentFebruary–May
North DakotaWinter visitor—
OhioYear-round residentFebruary–May
OklahomaWinter visitor—
OntarioYear-round residentMarch–May
OregonYear-round residentFebruary–May
PennsylvaniaYear-round residentFebruary–May
QuebecYear-round residentMarch–May
Rhode IslandYear-round residentFebruary–May
SaskatchewanSummer breederMarch–May
South CarolinaYear-round residentJanuary–May
South DakotaWinter visitor—
TennesseeYear-round residentFebruary–May
TexasWinter visitor—
UtahWinter visitor—
VermontYear-round residentMarch–May
VirginiaYear-round residentFebruary–May
WashingtonYear-round residentFebruary–May
West VirginiaYear-round residentFebruary–May
WisconsinYear-round residentMarch–May
WyomingWinter visitor—

Frequently asked

What do hooded mergansers eat?

Small fish, crayfish and aquatic insects. At feeders: none — needs fish-bearing water.

How big is a Hooded Merganser?

15.8–19.3 in long and 16–31 oz.

Do hooded mergansers use birdhouses?

Yes — a 4 × 3 in oval entrance, 10 × 18 in floor, mounted 6–20 ft.

Sources

  1. Hooded Merganser — All About Birds, Cornell Lab of Ornithology
  2. Hooded Merganser life history — Cornell Lab of Ornithology
  3. Hooded Merganser — Audubon Guide to North American Birds
  4. NestWatch nest box plans and species requirements — Cornell Lab

Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.