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Species · BCR 14 · BBS 2026 Release · 1966–2025

Gray Catbird In Atlantic Northern Forest

All regionsAtlantic Northern ForestForest birds

Gray Catbird in Atlantic Northern Forest has held roughly steady: down 5% on the route-weighted index since 1968.

-5%Since 1968TrendPercent 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 →
150Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable 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 Gray Catbird in Atlantic Northern Forest. See the full index history below.

Gray Catbird In Atlantic Northern Forest Population Forecast

If the recent trend holds, Gray Catbird in Atlantic Northern Forest is projected to fall about 48% by 2030 — from 8.6 in 2025 to a central estimate of 4.4 (95% range 1.3–7.5). A 5-year backtest shows a typical error of ±53.8%, with 0% of held-out values landing inside the 95% band.

-48%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 →
4.4Projected 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 →
1.3–7.595% 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 →
±53.8%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 Atlantic Northern Forest is projected to fall about 48% by 2030 — from 8.6 in 2025 to a central estimate of 4.4 (95% range 1.3–7.5). A 5-year backtest shows a typical error of ±53.8%, with 0% of held-out values landing inside the 95% band.19662030
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 →
20264.71.67.8
20274.61.57.8
20284.61.57.7
20294.51.47.6
20304.41.37.5

Routes In Atlantic Northern Forest

Routes recording Gray Catbird in Atlantic Northern Forest.
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 →
MontereyMASSACHUSETTS362025
PittsfieldMASSACHUSETTS342016
CheshireMASSACHUSETTS301994
ConcordNEW-HAMPSHIRE252025
New HartfordCONNECTICUT241987
MarlowNEW-HAMPSHIRE222025
FletcherVERMONT222025
KasoagNEW-YORK212025
WalpoleNEW-HAMPSHIRE202025
W RutlandVERMONT202025
CanterburyNEW-HAMPSHIRE182025
Bowdoin CtrMAINE172021
BrooksMAINE172021
GaysvilleVERMONT172025
N OrangeMASSACHUSETTS162025
FitzwilliamNEW-HAMPSHIRE162025
LempsterNEW-HAMPSHIRE162025
East HavenVERMONT162025
BentonMAINE151980
Turner 2MAINE152025
CornvilleMAINE152025
ChesterfieldMASSACHUSETTS142025
East TroyMAINE132021
HermonMAINE132021
PeterboroughNEW-HAMPSHIRE132025

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