Hooded Mergansers in New York
When hooded mergansers are present in New York, when they nest, which native New York plants feed them, and how to host them in a USDA 3b–7b yard.
- Status in New York
- Year-round resident
- Nesting window
- February–May
- Broods
- 1 per season
- Hardiness zones
- USDA 3b–7b
- Nest box
- 4 × 3 in oval hole, 10 × 18 in floor, 6–20 ft
When to expect hooded mergansers in New York
Hooded Mergansers live in New York all year. Long, snowy winters upstate; lake-effect snow belts make feeders and roost boxes important. That makes the cold months the time your yard matters most to them.
Humid continental, from cold Adirondack highlands to the maritime-moderated coast of Long Island.
Nesting in New York
Across New York, hooded mergansers typically nest from February–May. Plan around that window: January for setup, May for clean-out.
Warm summers with a shorter nesting season upstate than downstate.
- Have boxes cleaned and mounted before January — hooded mergansers begin prospecting ahead of egg-laying.
- Use a 4 × 3 in oval entrance on a 10 × 18 in floor, mounted 6–20 ft.
- Fit a pole baffle or hole guard; ventilation gaps and drainage holes are essential.
- Clean out old nests after each brood and again after May.
Native New York plants that attract hooded mergansers
Of the regional native plants we track for New York, these 8 provide food or cover hooded mergansers use:
Blue-black fall fruit and insect cover.
Seeds and year-round shelter.
Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.
Early-summer berries arrive exactly when nestlings are being fed.
Acorns plus hundreds of caterpillar species for nestling food.
Drought-hardy prairie oak with large acorns and a heavy insect load.
Summer fruit and one of the top caterpillar host trees.
Late-summer berry clusters taken by over 40 bird species.
Feeding hooded mergansers through the New York year
- Top foods: None — needs fish-bearing water.
- In New York's winter: Long, snowy winters upstate; lake-effect snow belts make feeders and roost boxes important.
Full diet breakdown for hooded mergansers · Best feeder for hooded mergansers
Frequently asked
Are hooded mergansers in New York year-round?
Yes. Hooded Mergansers are year-round residents in New York.
When do hooded mergansers nest in New York?
Nesting in New York typically runs February–May, with 1 per season. Clutches are 6–18 eggs, incubated for 26–41 days.
What native plants attract hooded mergansers in New York?
Arrowwood viburnum, Eastern white pine, Flowering dogwood, Serviceberry, White oak, Bur oak, Black cherry, American elderberry are native plants in New York that provide food or cover for hooded mergansers.
What size birdhouse hole do hooded mergansers need?
4 × 3 in oval, with a floor of 10 × 18 in mounted 6–20 ft.
Hooded Mergansers in other regions
Other backyard birds in New York
Sources
- Hooded Merganser — All About Birds, Cornell Lab of Ornithology
- Hooded Merganser life history — Cornell Lab of Ornithology
- Hooded Merganser — Audubon Guide to North American Birds
- NestWatch nest box plans and species requirements — Cornell Lab
- eBird region overview and bar charts — New York
- USDA Plant Hardiness Zone Map (2023)
- Audubon Native Plants Database
- New York Breeding Bird Atlas III
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.