Delaware · Summer breeder

Yellow-billed Cuckoos in Delaware

When yellow-billed cuckoos are present in Delaware, when they nest, which native Delaware plants feed them, and how to host them in a USDA 7a–8a yard.

Cuckoos (Cuculidae)Yellow-billed CuckooCoccyzus americanus

Status in Delaware: Summer breeder
Nesting window: May–August
Broods: 1–2 per season
Hardiness zones: USDA 7a–8a

When to expect yellow-billed cuckoos in Delaware

Yellow-billed Cuckoos are summer residents in Delaware, arriving shortly before nesting begins in May and leaving after the young are independent.

Humid subtropical to temperate coastal plain between Delaware Bay and the Atlantic.

Nesting in Delaware

Across Delaware, yellow-billed cuckoos typically nest from May–August. Plan around that window: April for setup, August for clean-out.

Hot, humid summers; bay-shore woodlots are important migrant stopovers in May.

Yellow-billed Cuckoos don't use nest boxes. Keep dense native shrubs and trees such as flowering dogwood, eastern red cedar, serviceberry for nest sites.
Delay heavy pruning of shrubs until after August.

Native Delaware plants that attract yellow-billed cuckoos

Of the regional native plants we track for Delaware, these 8 provide food or cover yellow-billed cuckoos use:

Flowering dogwood

Cornus florida · Tree

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

Eastern red cedar

Juniperus virginiana · Tree

Dense evergreen roost cover and bluish 'berries' eaten through winter.

Serviceberry

Amelanchier arborea · Tree

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

Winterberry

Ilex verticillata · Shrub

Deciduous holly holding red fruit into mid-winter.

Staghorn sumac

Rhus typhina · Shrub

Fruit clusters persist all winter as emergency food.

Smooth sumac

Rhus glabra · Shrub

Red fruit heads hang on through winter.

White oak

Quercus alba · Tree

Acorns plus hundreds of caterpillar species for nestling food.

Black cherry

Prunus serotina · Tree

Summer fruit and one of the top caterpillar host trees.

Feeding yellow-billed cuckoos through the Delaware year

Top foods: None — leave tent caterpillars for them.
In Delaware's summer: offer water and insect foods; natural food is abundant.

Full diet breakdown for yellow-billed cuckoos · Best feeder for yellow-billed cuckoos

Frequently asked

Are yellow-billed cuckoos in Delaware year-round?

No. Yellow-billed Cuckoos are summer breeders in Delaware and leave for the winter.

When do yellow-billed cuckoos nest in Delaware?

Nesting in Delaware typically runs May–August, with 1–2 per season. Clutches are 1–5 eggs, incubated for 9–11 days.

What native plants attract yellow-billed cuckoos in Delaware?

Flowering dogwood, Eastern red cedar, Serviceberry, Winterberry, Staghorn sumac, Smooth sumac, White oak, Black cherry are native plants in Delaware that provide food or cover for yellow-billed cuckoos.

Other backyard birds in Delaware

Northern Cardinal Eastern Bluebird Carolina Chickadee Purple Martin Downy Woodpecker Hairy Woodpecker American Goldfinch Tufted Titmouse White-breasted Nuthatch House Wren 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 Baltimore Oriole Orchard Oriole Pine Siskin Indigo 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 American Tree Sparrow House Sparrow European Starling White-crowned Sparrow Fox Sparrow 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 Hooded Merganser Yellow Warbler Common Yellowthroat American Redstart Black-and-white Warbler Yellow-throated Warbler Prothonotary Warbler Ovenbird Yellow-breasted Chat Red-eyed Vireo Warbling Vireo White-eyed Vireo Eastern Wood-Pewee 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 Savannah Sparrow Swamp Sparrow Vesper Sparrow Horned Lark Blue Grosbeak White-winged Crossbill Brown-headed Nuthatch Rusty Blackbird Rock Pigeon

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.