Based on 2,410 research-grade iNaturalist observations in Alaska, Black-billed Magpie is most often recorded in July; in Alaska it behaves like a seasonal. It ranks #4 among birds recorded in the state in our data.
Pica hudsonia
Black-billed Magpie in Alaska 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 Alaska in July

Bald Eagle

Short-billed Gull

Black-legged Kittiwake
Glaucous-winged Gull

Common Raven
Tufted Puffin

Pigeon Guillemot

Common Murre
Places to look in Alaska
Arctic National Wildlife Refuge
Tongass National Forest
Chugach State Park
Chugach National Forest
Botanical GardenAlaska Botanical Garden
Denali State Park
FAQ
When does Black-billed Magpie appear in Alaska?
Mainly May–September, with the most records in July.
How common is Black-billed Magpie in Alaska?
It ranks #4 by number of iNaturalist observations among birds in Alaska (2,410 records in our sample).