BirdAnalyst
Guild · Kansas · BBS 2025 Release · 1966–2024

Generalists In Kansas

All statesKansas

58 species in this guild. As a group they are -30%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 Kansas. See the full index history below.

Generalists In Kansas Population Forecast

If the recent trend holds, Generalists in Kansas is projected to fall about 31% by 2029 — from 8.5 in 2024 to a central estimate of 5.8 (95% range 4.3–7.4). A 5-year backtest shows a typical error of ±19.4%, with 60% of held-out values landing inside the 95% band.

-31%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 →
5.8Projected 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 →
4.3–7.495% 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 →
±19.4%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 Kansas is projected to fall about 31% by 2029 — from 8.5 in 2024 to a central estimate of 5.8 (95% range 4.3–7.4). A 5-year backtest shows a typical error of ±19.4%, with 60% 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 →
20256.34.77.8
20266.24.67.7
20276.04.57.6
20285.94.47.5
20295.84.37.4

Member Species In Kansas

Generalists species in Kansas.
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 →
Black-billed MagpieCorvidae-97%
Northern HarrierAccipitridae-96%
Loggerhead ShrikeLaniidae-88%
Black-billed CuckooCuculidae-87%
Yellow-headed BlackbirdIcteridae-83%
House SparrowPasseridae-82%
American KestrelFalconidae-69%
Black-headed GrosbeakCardinalidae-68%
Belted KingfisherAlcedinidae-65%
Common GrackleIcteridae-64%
Sharp-shinned HawkAccipitridae-63%
Song SparrowPasserellidae-56%
Swainson's HawkAccipitridae-54%
Scarlet TanagerCardinalidae-50%
Orchard OrioleIcteridae-49%
Brown ThrasherMimidae-43%
Northern MockingbirdMimidae-43%
Bullock's OrioleIcteridae-41%
Baltimore OrioleIcteridae-27%
Burrowing OwlStrigidae-26%
Red-winged BlackbirdIcteridae-21%
Mourning DoveColumbidae-15%
Brown-headed CowbirdIcteridae-11%
American GoldfinchFringillidae-9%
Great Horned OwlStrigidae-7%
Yellow-billed CuckooCuculidae-1%
European StarlingSturnidae+4%
Gray CatbirdMimidae+8%
Field SparrowPasserellidae+13%
Eastern Screech-OwlStrigidae+19%
Rock PigeonColumbidae+24%
Ferruginous HawkAccipitridae+49%
Blue JayCorvidae+67%
Red-tailed HawkAccipitridae+72%
American CrowCorvidae+85%
Mississippi KiteAccipitridae+95%
Northern CardinalCardinalidae+119%
Bald EagleAccipitridae+133%
Blue GrosbeakCardinalidae+181%
Lesser Prairie-ChickenPhasianidae+203%
Cooper's HawkAccipitridae+204%
Rose-breasted GrosbeakCardinalidae+301%
Cedar WaxwingBombycillidae+338%
Indigo BuntingCardinalidae+395%
Fish CrowCorvidae+400%
House FinchFringillidae+440%
Ruby-throated HummingbirdTrochilidae+460%
Eastern TowheePasserellidae+472%
Yellow-breasted ChatIcteriidae+610%
Painted BuntingCardinalidae+716%
Red-shouldered HawkAccipitridae+744%
Turkey VultureCathartidae+817%
Barred OwlStrigidae12×
Chipping SparrowPasserellidae12×
Summer TanagerCardinalidae16×
Great-tailed GrackleIcteridae24×
Wild TurkeyPhasianidae26×
Eurasian Collared-DoveColumbidae79×

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