Based on 1,179 research-grade iNaturalist observations in Wyoming, Mallard is most often recorded in September; in Wyoming it behaves like a summer visitor / breeder. It ranks #10 among birds recorded in the state in our data.
Anas platyrhynchos
Mallard in Wyoming 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 Wyoming in September
Common Raven
Black-billed Magpie
Brewer's Blackbird
Mountain Bluebird
Bald Eagle
Red-tailed Hawk
Canada Goose
Canada Jay
Places to look in Wyoming
National ForestShoshone National Forest
National ForestBridger–Teton National Forest
State ParkFort Bridger
State ParkHot Springs State Park
State ParkFort Fred Steele State Historic Site
National Wildlife RefugeNational Elk Refuge
FAQ
When does Mallard appear in Wyoming?
Mainly May–October, with the most records in September.
How common is Mallard in Wyoming?
It ranks #10 by number of iNaturalist observations among birds in Wyoming (1,179 records in our sample).