Based on 1,434 research-grade iNaturalist observations in Montana, Mallard is most often recorded in May; in Montana it behaves like a year-round resident. It ranks #4 among birds recorded in the state in our data.
Anas platyrhynchos
Mallard in Montana by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Montana in May
American Robin
Canada Goose
Red-winged Blackbird
Black-billed Magpie
Yellow-headed Blackbird
Tree Swallow
Sandhill Crane
Bald Eagle
Places to look in Montana
National ForestBitterroot National Forest
State ParkMakoshika State Park
National ForestBeaverhead–Deerlodge National Forest
National ForestLewis and Clark National Forest
National ForestHelena National Forest
State ParkMadison Buffalo Jump State Park
FAQ
When does Mallard appear in Montana?
Mainly November–September, with the most records in May.
How common is Mallard in Montana?
It ranks #4 by number of iNaturalist observations among birds in Montana (1,434 records in our sample).