Black-crowned Night Herons in Montana
When black-crowned night herons are present in Montana, when they nest, which native Montana plants feed them, and how to host them in a USDA 3a–6a yard.
- Status in Montana
- Summer breeder
- Nesting window
- April–July
- Broods
- 1 per season
- Hardiness zones
- USDA 3a–6a
When to expect black-crowned night herons in Montana
Black-crowned Night Herons are summer residents in Montana, arriving shortly before nesting begins in April and leaving after the young are independent.
Continental — Rocky Mountain forest in the west, semi-arid Great Plains in the east.
Nesting in Montana
Across Montana, black-crowned night herons typically nest from April–July. Plan around that window: March for setup, July for clean-out.
Warm, dry summers and a short growing season.
- Black-crowned Night Herons don't use nest boxes. Keep dense native shrubs and trees such as bur oak, paper birch, chokecherry for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Montana plants that attract black-crowned night herons
Of the regional native plants we track for Montana, these 8 provide food or cover black-crowned night herons use:
Drought-hardy prairie oak with large acorns and a heavy insect load.
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all winter.
Dark summer fruit and heavy caterpillar load.
Sweet dry fruit on the branch all winter.
Seeds and bark insects; pygmy nuthatch and woodpecker habitat.
Late-season bloom supports insects; seed for sparrows.
Seed for crossbills, siskins and chickadees.
Feeding black-crowned night herons through the Montana year
- Top foods: None — night-hunts ponds and wetlands.
- In Montana'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 Montana year-round?
No. Black-crowned Night Herons are summer breeders in Montana and leave for the winter.
When do black-crowned night herons nest in Montana?
Nesting in Montana typically runs April–July, with 1 per season. Clutches are 3–5 eggs, incubated for 21–26 days.
What native plants attract black-crowned night herons in Montana?
Bur oak, Tall goldenrod, Paper birch, Chokecherry, Common hackberry, Ponderosa pine, Rabbitbrush, Douglas fir are native plants in Montana that provide food or cover for black-crowned night herons.
Black-crowned Night Herons in other regions
Other backyard birds in Montana
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 — Montana
- 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.