Louisiana · Year-round resident

Hooded Mergansers in Louisiana

When hooded mergansers are present in Louisiana, when they nest, which native Louisiana plants feed them, and how to host them in a USDA 8a–10a yard.

Ducks and geese (Anatidae)Hooded MerganserLophodytes cucullatus

Status in Louisiana: Year-round resident
Nesting window: January–May
Broods: 1 per season
Hardiness zones: USDA 8a–10a
Nest box: 4 × 3 in oval hole, 10 × 18 in floor, 6–20 ft

When to expect hooded mergansers in Louisiana

Hooded Mergansers live in Louisiana all year. Mild winters make Louisiana a major wintering ground for sparrows, wrens, and even western hummingbirds. That makes the cold months the time your yard matters most to them.

Humid subtropical, with coastal marsh, bottomland hardwood forest and piney uplands in the north.

Nesting in Louisiana

Across Louisiana, hooded mergansers typically nest from January–May. Plan around that window: January for setup, May for clean-out.

Very hot, humid summers and hurricane season June–November.

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 Louisiana plants that attract hooded mergansers

Of the regional native plants we track for Louisiana, these 8 provide food or cover hooded mergansers use:

Flowering dogwood

Cornus florida · Tree

Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.

Serviceberry

Amelanchier arborea · Tree

Early-summer berries arrive exactly when nestlings are being fed.

White oak

Quercus alba · Tree

Acorns plus hundreds of caterpillar species for nestling food.

Bur oak

Quercus macrocarpa · Tree

Drought-hardy prairie oak with large acorns and a heavy insect load.

Black cherry

Prunus serotina · Tree

Summer fruit and one of the top caterpillar host trees.

American elderberry

Sambucus canadensis · Shrub

Late-summer berry clusters taken by over 40 bird species.

Arrowwood viburnum

Viburnum dentatum · Shrub

Blue-black fall fruit and dense nesting cover.

Spicebush

Lindera benzoin · Shrub

Lipid-rich red fruit fuels fall migrants.

Feeding hooded mergansers through the Louisiana year

Top foods: None — needs fish-bearing water.
In Louisiana's winter: Mild winters make Louisiana a major wintering ground for sparrows, wrens, and even western hummingbirds.

Full diet breakdown for hooded mergansers · Best feeder for hooded mergansers

Frequently asked

Are hooded mergansers in Louisiana year-round?

Yes. Hooded Mergansers are year-round residents in Louisiana.

When do hooded mergansers nest in Louisiana?

Nesting in Louisiana typically runs January–May, with 1 per season. Clutches are 6–18 eggs, incubated for 26–41 days.

What native plants attract hooded mergansers in Louisiana?

Flowering dogwood, Serviceberry, White oak, Bur oak, Black cherry, American elderberry, Arrowwood viburnum, Spicebush are native plants in Louisiana 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.

Other backyard birds in Louisiana

Northern Cardinal Eastern Bluebird Carolina Chickadee Purple Martin Downy Woodpecker Hairy Woodpecker American Goldfinch Tufted Titmouse White-breasted Nuthatch House Wren Blue Jay House Finch Purple Finch Ruby-throated Hummingbird Carolina Wren Mourning Dove American Robin Dark-eyed Junco White-throated Sparrow Song Sparrow Chipping Sparrow Red-bellied Woodpecker Northern Flicker Pileated Woodpecker Red-headed Woodpecker Yellow-bellied Sapsucker Red-breasted Nuthatch Brown-headed Nuthatch Brown Creeper Common Grackle Red-winged Blackbird Orchard Oriole Pine Siskin Indigo Bunting Painted Bunting Eastern Towhee Gray Catbird Northern Mockingbird Brown Thrasher Cedar Waxwing Tree Swallow Barn Swallow Eastern Phoebe Chimney Swift Yellow-rumped Warbler Pine Warbler Eastern Screech-Owl Wood Thrush Great Crested Flycatcher Eastern Kingbird House Sparrow European Starling Rufous Hummingbird White-crowned Sparrow Fox Sparrow Eurasian Collared-Dove American Crow Cooper's Hawk Sharp-shinned Hawk Red-tailed Hawk Barred Owl Great Horned Owl American Kestrel Wood Duck Wild Turkey Northern Bobwhite Mallard Great Blue Heron Belted Kingfisher Scarlet Tanager Eastern Meadowlark Brown-headed Cowbird Ruby-crowned Kinglet Golden-crowned Kinglet Hermit Thrush Winter Wren Red Crossbill Field Sparrow Gray Catbird Lark Sparrow Yellow Warbler Common Yellowthroat American Redstart Black-and-white Warbler Yellow-throated Warbler Prothonotary Warbler Ovenbird Yellow-breasted Chat Orange-crowned Warbler Palm Warbler Red-eyed Vireo Warbling Vireo White-eyed Vireo Eastern Wood-Pewee Scissor-tailed Flycatcher Cliff Swallow Northern Rough-winged Swallow Bank Swallow Common Nighthawk Eastern Whip-poor-will Canada Goose American Coot Killdeer Spotted Sandpiper American Woodcock Green Heron Great Egret Black-crowned Night Heron Turkey Vulture Black Vulture Osprey Bald Eagle Red-shouldered Hawk Merlin Peregrine Falcon Northern Saw-whet Owl Barn Owl Burrowing Owl Red-cockaded Woodpecker Savannah Sparrow Swamp Sparrow Vesper Sparrow Horned Lark Dickcissel Blue Grosbeak White-winged Crossbill Brown-headed Nuthatch Greater Roadrunner Yellow-billed Cuckoo Brewer's Blackbird Rusty Blackbird Boat-tailed Grackle Great-tailed Grackle Rock Pigeon Monk Parakeet

Sources

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.