Baltimore Orioles in Montana
When Baltimore orioles 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
- June–July
- Broods
- 1 per season
- Hardiness zones
- USDA 3a–6a
- Range note
- Eastern Montana.
When to expect Baltimore orioles in Montana
Baltimore Orioles are summer residents in Montana, arriving shortly before nesting begins in June and leaving after the young are independent. Eastern Montana. Through the season they feed on tent caterpillars and gypsy moth larvae.
Continental — Rocky Mountain forest in the west, semi-arid Great Plains in the east.
Nesting in Montana
Across Montana, Baltimore orioles typically nest from June–July. Nest site: deep hanging pouch woven at the tip of a tall branch. Females lay 3–7 eggs, incubate for 11–14 days, and young leave the nest after 12–14 days.
Warm, dry summers and a short growing season.
- Baltimore Orioles don't use nest boxes. Keep dense native shrubs and trees such as smooth sumac, bur oak, paper birch for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Montana plants that attract Baltimore orioles
Of the regional native plants we track for Montana, these 8 provide food or cover Baltimore orioles use:
Red fruit heads hang on through winter.
Drought-hardy prairie oak with large acorns and a heavy insect load.
Tubular flowers for hummingbirds and seed heads for finches.
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all winter.
Dark summer fruit and heavy caterpillar load.
White fruit and red winter stems; good thicket cover.
Red fruit persists until late winter when other food is gone.
Feeding Baltimore orioles through the Montana year
Put orange halves out the week orioles are due back — they stay where they find food on arrival.
- Best foods: Orange halves, Grape jelly (in small amounts), Nectar.
- Avoid: Large amounts of jelly for nestlings — offer mealworms instead once young hatch.
- In Montana's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for Baltimore orioles · Best feeder for Baltimore orioles
Frequently asked
Are Baltimore orioles in Montana year-round?
No. Baltimore Orioles are summer breeders in Montana and leave for the winter. Eastern Montana.
When do Baltimore orioles nest in Montana?
Nesting in Montana typically runs June–July, with 1 per season. Clutches are 3–7 eggs, incubated for 11–14 days.
What native plants attract Baltimore orioles in Montana?
Smooth sumac, Bur oak, Wild bergamot, Tall goldenrod, Paper birch, Chokecherry, Red-osier dogwood, Highbush cranberry are native plants in Montana that provide food or cover for Baltimore orioles.
Baltimore Orioles in other regions
Other backyard birds in Montana
Sources
- Baltimore Oriole — All About Birds, Cornell Lab of Ornithology
- Baltimore Oriole life history — Cornell Lab of Ornithology
- Baltimore Oriole — 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.