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

Generalists In North Dakota

All statesNorth Dakota

61 species in this guild. As a group they are +44%Guild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology → since 1969.

Guild SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for generalists in North Dakota. See the full index history below.

Generalists In North Dakota Population Forecast

If the recent trend holds, Generalists in North Dakota is projected to stay roughly flat through 2029, near 14 (95% range 12–16). A 5-year backtest shows a typical error of ±3.9%, with 100% of held-out values landing inside the 95% band.

-2%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
14Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
12–1695% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±3.9%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Generalists in North Dakota is projected to stay roughly flat through 2029, near 14 (95% range 12–16). A 5-year backtest shows a typical error of ±3.9%, with 100% of held-out values landing inside the 95% band.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 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
2025141116
2026141116
2027141116
2028141216
2029141216

Member Species In North Dakota

Generalists species in North Dakota.
TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
Short-eared OwlStrigidae-94%
Chestnut-collared LongspurCalcariidae-82%
Thick-billed LongspurCalcariidae-82%
LeConte's SparrowPasserellidae-78%
Yellow-breasted ChatIcteriidae-76%
Burrowing OwlStrigidae-70%
Black-billed CuckooCuculidae-68%
Loggerhead ShrikeLaniidae-68%
Lazuli BuntingCardinalidae-66%
Spotted TowheePasserellidae-58%
Belted KingfisherAlcedinidae-53%
Prairie FalconFalconidae-52%
Field SparrowPasserellidae-49%
Brown ThrasherMimidae-44%
American CrowCorvidae-38%
House SparrowPasseridae-33%
Black-billed MagpieCorvidae-33%
Golden EagleAccipitridae-33%
House FinchFringillidae-30%
American KestrelFalconidae-21%
Northern HarrierAccipitridae-18%
Great Horned OwlStrigidae-7%
Ruby-throated HummingbirdTrochilidae+1%
Ferruginous HawkAccipitridae+4%
Baltimore OrioleIcteridae+5%
American GoldfinchFringillidae+5%
Indigo BuntingCardinalidae+10%
Cooper's HawkAccipitridae+11%
Sharp-tailed GrousePhasianidae+12%
European StarlingSturnidae+20%
Clay-colored SparrowPasserellidae+34%
Bullock's OrioleIcteridae+36%
Gray CatbirdMimidae+42%
Sharp-shinned HawkAccipitridae+57%
Mourning DoveColumbidae+70%
Red-winged BlackbirdIcteridae+72%
Brown-headed CowbirdIcteridae+82%
Swainson's HawkAccipitridae+114%
Pine SiskinFringillidae+118%
Blue GrosbeakCardinalidae+146%
Turkey VultureCathartidae+149%
MerlinFalconidae+169%
Cedar WaxwingBombycillidae+173%
Gray PartridgePhasianidae+189%
Brewer's BlackbirdIcteridae+207%
Blue JayCorvidae+207%
Red-tailed HawkAccipitridae+210%
Rose-breasted GrosbeakCardinalidae+242%
Song SparrowPasserellidae+256%
Nelson's SparrowPasserellidae+289%
Rock PigeonColumbidae+327%
Black-headed GrosbeakCardinalidae+352%
Bald EagleAccipitridae+402%
Yellow-headed BlackbirdIcteridae+410%
Wild TurkeyPhasianidae+476%
Common GrackleIcteridae+477%
Common RavenCorvidae+578%
Chipping SparrowPasserellidae+616%
Swamp SparrowPasserellidae+708%
Orchard OrioleIcteridae+798%
Eurasian Collared-DoveColumbidae16×

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