Black-crowned Night Herons in Delaware
When black-crowned night herons are present in Delaware, when they nest, which native Delaware plants feed them, and how to host them in a USDA 7a–8a yard.
- Status in Delaware
- Summer breeder
- Nesting window
- March–July
- Broods
- 1 per season
- Hardiness zones
- USDA 7a–8a
When to expect black-crowned night herons in Delaware
Black-crowned Night Herons are summer residents in Delaware, arriving shortly before nesting begins in March and leaving after the young are independent.
Humid subtropical to temperate coastal plain between Delaware Bay and the Atlantic.
Nesting in Delaware
Across Delaware, black-crowned night herons typically nest from March–July. Plan around that window: February for setup, July for clean-out.
Hot, humid summers; bay-shore woodlots are important migrant stopovers in May.
- Black-crowned Night Herons don't use nest boxes. Keep dense native shrubs and trees such as flowering dogwood, serviceberry, white oak for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Delaware plants that attract black-crowned night herons
Of the regional native plants we track for Delaware, these 8 provide food or cover black-crowned night herons use:
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.
Summer fruit and one of the top caterpillar host trees.
Late-summer berry clusters taken by over 40 bird species.
Blue-black fall fruit and dense nesting cover.
Lipid-rich red fruit fuels fall migrants.
Late nectar for insects and fall seed for sparrows.
Feeding black-crowned night herons through the Delaware year
- Top foods: None — night-hunts ponds and wetlands.
- In Delaware's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for black-crowned night herons · Best feeder for black-crowned night herons
Frequently asked
Are black-crowned night herons in Delaware year-round?
No. Black-crowned Night Herons are summer breeders in Delaware and leave for the winter.
When do black-crowned night herons nest in Delaware?
Nesting in Delaware typically runs March–July, with 1 per season. Clutches are 3–5 eggs, incubated for 21–26 days.
What native plants attract black-crowned night herons in Delaware?
Flowering dogwood, Serviceberry, White oak, Black cherry, American elderberry, Arrowwood viburnum, Spicebush, New England aster are native plants in Delaware that provide food or cover for black-crowned night herons.
Black-crowned Night Herons in other regions
Other backyard birds in Delaware
Sources
- Black-crowned Night Heron — All About Birds, Cornell Lab of Ornithology
- Black-crowned Night Heron life history — Cornell Lab of Ornithology
- Black-crowned Night Heron — Audubon Guide to North American Birds
- eBird region overview and bar charts — Delaware
- USDA Plant Hardiness Zone Map (2023)
- Audubon Native Plants Database
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.