Species · Maine · BBS 2025 Release · 1966–2024

American Crow Population Trend in Maine

American Crow in Maine has risen sharply: up 75% on the route-weighted index since 1968.

+75%Since 1968
77Routes In State
58Years

Notable American Crow Trends in Maine

long arc increasecomputed index

American Crow has risen sharply in Maine: up 75% on the route-weighted index since 1968.

American Crow Population Forecast in Maine

If the recent trend holds, American Crow in Maine is projected to stay roughly flat through 2029, near 33 (95% range 26–41). A 5-year backtest shows a typical error of ±14.1%, with 80% of held-out values landing inside the 95% band.

+3%Change by 2029
33Projected 2029 index
264195% range
±14.1%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
2025332540
2026332640
2027332640
2028332640
2029332641

American Crow Survey Routes in Maine

Routes recording American Crow in Maine.
Ft Fairfield7420051993
Castine7220061976
Cornville6820242012
Ashland5720081980
Boundary5620161993
Washburn4920051979
St David4820051982
Manchester4719951971
Harmony4620241967
Hermon4620191966
Westbrook4520241977
Hancock4520241969
Turner 24520242011
Otisfield Gr4420151966
Benton4319801971
Eastbrook4220241971
Deblois4120071966
Hudson4120161973
Bowdoin Ctr3920211971
Greenville3920221972
Cambridge3920141967
Newcastle3720241971
Reeds3620241983
Stacyville3620242021
Turner3520101972

American Crow Population Trend in Other States

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