BirdAnalyst
Species · North Dakota · BBS 2025 Release · 1966–2024

Blue Jay Population Trend in North Dakota

All statesGeneralists

Blue Jay in North Dakota has surged: up 207% on the route-weighted index since 1969.

+207%Since 1969
42Routes In State
57Years

Notable Blue Jay Trends in North Dakota

long arc increasecomputed index

Blue Jay has surged in North Dakota: up 207% on the route-weighted index since 1969.

Blue Jay Population Forecast in North Dakota

If the recent trend holds, Blue Jay in North Dakota is projected to fall about 31% by 2029 — from 0.89 in 2024 to a central estimate of 0.61 (95% range 0.00–1.3). A 5-year backtest shows a typical error of ±52.7%, with 80% of held-out values landing inside the 95% band.

-31%Change by 2029
0.61Projected 2029 index
0.00–1.395% range
±52.7%Backtest error
19672029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.610.001.3
20260.610.001.3
20270.610.001.3
20280.610.001.3
20290.610.001.3

Blue Jay Survey Routes in North Dakota

Routes recording Blue Jay in North Dakota.
Emerado1220241973
Cooperstown620241970
Abercrombie 2620162014
Kempton420171972
Nash320171980
Abercrombie320121967
Turtle Mtns320241980
Solen320232005
Forman220231968
Sydney219831970
Wimbledon219961994
Buchanan220151980
Rolla220042002
Niles220011992
Sheyenne Lk220031991
Braddock220151990
Montpelier220111990
Walcott120211968
Edgeley120241990
Lake George120111973
Horsehead Lk120061981
Bowesmont119951970
Lakota119941971
Webster120071989
Regan120051980

Blue Jay Population Trend in Other States

alabamaarkansascoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.