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

Gray Catbird Population Trend in Kansas

All statesGeneralists

Gray Catbird in Kansas has held roughly steady: up 8% on the route-weighted index since 1969.

+8%Since 1969TrendPercent 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 →
54Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
57YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Gray Catbird Trends in KansasNotable 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 Gray Catbird in Kansas. See the full index history below.

Gray Catbird Population Forecast in Kansas

If the recent trend holds, Gray Catbird in Kansas is projected to rise about 51% by 2029 — from 0.69 in 2024 to a central estimate of 1.0 (95% range 0.36–1.7). A 5-year backtest shows a typical error of ±23.1%, with 100% of held-out values landing inside the 95% band.

+51%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 →
1.0Projected 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 →
0.36–1.795% 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 →
±23.1%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, Gray Catbird in Kansas is projected to rise about 51% by 2029 — from 0.69 in 2024 to a central estimate of 1.0 (95% range 0.36–1.7). A 5-year backtest shows a typical error of ±23.1%, 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 →
20251.00.361.7
20261.00.361.7
20271.00.361.7
20281.00.361.7
20291.00.361.7

Gray Catbird Survey Routes in Kansas

Routes recording Gray Catbird in Kansas.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Hollenberg820231969
St John720191968
Seneca520221967
Minneapolis520191968
Ash Valley520192000
Jewell 2420242006
Hays420141980
Beloit 2420182005
Hopewell420182000
Coldwater320221974
Covert320241973
Jewell320051968
Missler320011980
Ashland219981987
Barclay220241969
Kanopolis220171971
Gray220171969
Rock Creek220191968
Hanover220231969
Phillipsburg220221967
Logan219831974
Trading Post220242000
Lincolnville220242003
Susank220222000
Severance220242001

Gray Catbird Population Trend in Other States

alabamaarizonaarkansascoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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