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

Gray Catbird Population Trend in Connecticut

All statesGeneralists

Gray Catbird in Connecticut has risen sharply: up 55% on the route-weighted index since 1968.

+55%Since 1968
20Routes In State
58Years

Notable Gray Catbird Trends in Connecticut

long arc increasecomputed index

Gray Catbird has risen sharply in Connecticut: up 55% on the route-weighted index since 1968.

Gray Catbird Population Forecast in Connecticut

If the recent trend holds, Gray Catbird in Connecticut is projected to rise about 37% by 2029 — from 33 in 2024 to a central estimate of 45 (95% range 32–58). A 5-year backtest shows a typical error of ±26%, with 60% of held-out values landing inside the 95% band.

+37%Change by 2029
45Projected 2029 index
32–5895% range
±26%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
2025443157
2026443157
2027443157
2028453258
2029453258

Gray Catbird Survey Routes in Connecticut

Routes recording Gray Catbird in Connecticut.
Warren13720111972
Uncasville9120241973
Sherman5620191972
Willimantic5420181967
Long Hill5020191972
Mid Haddam5020241973
Woodstock 23820242016
Danbury3220231968
Southington3020241973
Mystic2620231973
Buckingham2520221966
Westbrook2420241969
New Hartford2419871972
Greenwich2220181967
Warren 22220242012
Granby1820241988
Woodstock1620071968
No Woodbury1320241967
E Hartland1019921966
New Hartford1020241994

Gray Catbird Population Trend in Other States

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

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