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

Gray Catbird Population Trend in Delaware

All statesGeneralists

Gray Catbird in Delaware has edged up: up 24% on the route-weighted index since 1968.

+24%Since 1968
17Routes In State
58Years

Notable Gray Catbird Trends in Delaware

No notable trend signals for Gray Catbird in Delaware. See the full index history below.

Gray Catbird Population Forecast in Delaware

If the recent trend holds, Gray Catbird in Delaware is projected to stay roughly flat through 2029, near 7.0 (95% range 4.0–10). A 5-year backtest shows a typical error of ±19.9%, with 80% of held-out values landing inside the 95% band.

-8%Change by 2029
7.0Projected 2029 index
4.0–1095% range
±19.9%Backtest error
19662029
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
20257.04.010
20267.04.010
20277.04.010
20287.04.010
20297.04.010

Gray Catbird Survey Routes in Delaware

Routes recording Gray Catbird in Delaware.
Blackbird3120241994
Wilmington2120141966
Bethany Bch1019901966
Mt Pleasant920191966
Holleyville920041966
Pepperbox720081998
Harrington520241966
Dover419871966
Frankford320121966
Milton320161966
Milton 2320172017
Lowes Xrds219911966
Holleyville 2220242007
Georgetown220221992
Frederica120141966
Millsboro120222017
Pepperbox 2120222017

Gray Catbird Population Trend in Other States

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

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