Species · BBS 2025 Release · 1966–2024

Gray Catbird

MimidaeForest birdsDumetella carolinensis

Gray Catbird has edged down: down 22% on the route-weighted index since 1968.

About the Gray Catbird

A slate-gray mimic named for its cat-like mew, the Gray Catbird skulks in dense thickets and hedgerows, weaving other birds' songs into its own.

Size
8.5–9.5 in long, about 1.3 oz (21–24 cm, 37 g)
Habitat
Woodlands and forest edges, including wooded suburbs and parks.
Diet
Insects in summer and fruit and berries in late season.
Range
Recorded on 2,709 Breeding Bird Survey routes across 47 states, most concentrated in the Appalachian Mountains.
Family
Mimidae · Forest birds
Conservation
Least Concern

Notable Gray Catbird TrendsNotable 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. See the full index history below.

Gray Catbird Population Forecast

If the recent trend holds, Gray Catbird is projected to fall about 16% by 2029 — from 4.8 in 2024 to a central estimate of 4.0 (95% range 2.9–5.1). A 5-year backtest shows a typical error of ±18.9%, with 80% of held-out values landing inside the 95% band.

If the recent trend holds, Gray Catbird is projected to fall about 16% by 2029 — from 4.8 in 2024 to a central estimate of 4.0 (95% range 2.9–5.1). A 5-year backtest shows a typical error of ±18.9%, with 80% of held-out values landing inside the 95% band.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 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 →
20254.13.05.2
20264.13.05.2
20274.13.05.1
20284.02.95.1
20294.02.95.1

Where the Gray Catbird Is Detected

BBS routes recording Gray Catbird, sized by most recent count.

Gray Catbird Population Trend by State

Gray Catbird population trend by state.
TrendPercent 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 →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →Survey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
Alabama-73%1968100
Arizonainsufficient datan/a1
Arkansas-65%196947
Colorado-23%197162
Connecticut+55%196820
Delaware+24%196817
Florida+225%197749
Georgia-61%1968107
Idaho-4%197037
Illinois+57%1968105
Indiana+28%196869
Iowa+183%196939
Kansas+8%196954
Kentucky-74%196862
Louisiana+84%196950
Maine-17%196872
Maryland+58%196876
Massachusetts+59%196832
Michigan+12%196899
Minnesota+22%196991
Mississippi-53%196854
Missouri+27%196990
Montana+33%197090
Nebraska+4%196958
Nevadainsufficient datan/a2
New Hampshire-3%196826
New Jersey+151%196844
New Mexico-29%19727
New York+69%1968129
North Carolina-36%1968112
North Dakota+42%196951
Ohio+140%196889
Oklahoma-74%196937
Oregon-65%197911
Pennsylvania+87%1968138
Rhode Island+172%19687
South Carolina-74%196846
South Dakota+173%196937
Tennessee-88%196852
Texas-82%197039
Utah-38%197426
Vermont+11%196826
Virginia-28%196885
Washington-23%197040
West Virginia-1%196863
Wisconsin+43%196898
Wyoming+90%197063

Gray Catbird Population Trend by Region

Bird Conservation Regions are the ecological unit for trends.

Gray Catbird population trend by Bird Conservation Region.
TrendPercent 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 →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →Survey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
Great Basin+3%197060
Northern Rockies-15%1970130
Prairie Potholes+95%1969109
Boreal Hardwood Transition-13%1968117
Lower Great Lakes / St. Lawrence Plain+105%196886
Atlantic Northern Forest-10%1968150
Southern Rockies / Colorado Plateau+62%197078
Badlands and Prairies+20%196983
Shortgrass Prairie-68%197616
Central Mixed Grass Prairie+93%196975
Oaks and Prairies-67%196925
Eastern Tallgrass Prairie+110%1968276
Prairie Hardwood Transition+54%1968161
Central Hardwoods-74%1968157
West Gulf Coastal Plain / Ouachitas-59%196977
Mississippi Alluvial Valley-77%196837
Southeastern Coastal Plain-18%1968303
Appalachian Mountains+46%1968402
Piedmont+7%1968166
New England / Mid-Atlantic Coast+61%1968164
Peninsular Florida-68%198718
Gulf Coastal Prairie-39%198213

Gray Catbird Conservation Status

Least Concern

The IUCN Red List rates this species as Least Concern. Our route-weighted index shows it down about 22% since 1968.

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. Trend is a route-weighted relative-abundance index, not an absolute population.