BirdAnalyst
Species · Nebraska · BBS 2026 Release · 1966–2025

Gray Catbird Population Trend in Nebraska

All statesForest birds

Gray Catbird in Nebraska has held roughly steady: down 1% on the route-weighted index since 1969.

-1%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 →
58Routes 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 →
58YearsYears 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 NebraskaNotable 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 Nebraska. See the full index history below.

Gray Catbird Population Forecast in Nebraska

If the recent trend holds, Gray Catbird in Nebraska is projected to fall about 34% by 2030 — from 2.4 in 2025 to a central estimate of 1.5 (95% range 0.45–2.6). A 5-year backtest shows a typical error of ±48.3%, with 40% of held-out values landing inside the 95% band.

-34%Change by 2030TrendPercent 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 →
1.5Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.45–2.695% 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 →
±48.3%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 Nebraska is projected to fall about 34% by 2030 — from 2.4 in 2025 to a central estimate of 1.5 (95% range 0.45–2.6). A 5-year backtest shows a typical error of ±48.3%, with 40% of held-out values landing inside the 95% band.19672030
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 →
20261.50.442.6
20271.50.442.6
20281.50.442.6
20291.50.452.6
20301.50.452.6

Gray Catbird Survey Routes in Nebraska

Routes recording Gray Catbird in Nebraska.
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 →
Belvidere1420251967
Boelus1220222018
Murdock1120252018
Tilden1020252019
Hampton1020252018
Surprise820251967
Petersburg720251969
Berwyn 2720252014
Irvington620241967
Midway620251967
Sargent620252021
Red Cloud620242018
Julian520251969
Liberty520031967
Sparta520251967
Madison520252018
Humboldt520252018
Johnson420251967
Liberty 3420252009
Gretna 2420252019
Berwyn420101993
Seward320251968
Kearney320251968
Holbrook320241992
Chambers320252023

Gray Catbird Population Trend in Other States

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

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.