Based on 3,049 research-grade iNaturalist observations in Utah, Black-billed Magpie is most often recorded in April; in Utah it behaves like a year-round resident. It ranks #7 among birds recorded in the state in our data.
Pica hudsonia
Black-billed Magpie in Utah 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 Utah in April

Mallard
Canada Goose

American Robin
Red-winged Blackbird

Yellow-headed Blackbird
American Coot

American Avocet

House Sparrow
Places to look in Utah
Dead Horse Point State Park
Goosenecks State Park
Goblin Valley State Park
Dixie National Forest
State ParkCoral Pink Sand Dunes State Park
Kodachrome Basin State Park
FAQ
When does Black-billed Magpie appear in Utah?
Mainly March–November, with the most records in April.
How common is Black-billed Magpie in Utah?
It ranks #7 by number of iNaturalist observations among birds in Utah (3,049 records in our sample).