Based on 2,130 research-grade iNaturalist observations in Washington, Northern Harrier is most often recorded in January; in Washington it behaves like a seasonal. It ranks #72 among birds recorded in the state in our data.
Circus hudsonius
Northern Harrier in Washington 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 Washington in January
Bald Eagle
Mallard
Bufflehead
Song Sparrow
Dark-eyed Junco
Great Blue Heron
American Wigeon
Common Goldeneye
Places to look in Washington
National ForestGifford Pinchot National Forest
National ForestOlympic National Forest
State ParkPeace Arch Park
National ForestColville National Forest
National ForestMount Baker–Snoqualmie National Forest
Botanical GardenBellevue Botanical Garden
FAQ
When does Northern Harrier appear in Washington?
Mainly September–May, with the most records in January.
How common is Northern Harrier in Washington?
It ranks #72 by number of iNaturalist observations among birds in Washington (2,130 records in our sample).