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

Northern Mockingbird Population Trend in Maine

All statesGeneralists

Northern Mockingbird in Maine has declined: down 46% on the route-weighted index since 1972.

-46%Since 1972
40Routes In State
51Years

Notable Northern Mockingbird Trends in Maine

No notable trend signals for Northern Mockingbird in Maine. See the full index history below.

Northern Mockingbird Population Forecast in Maine

If the recent trend holds, Northern Mockingbird in Maine is projected to fall about 62% by 2029 — from 0.26 in 2024 to a central estimate of 0.10 (95% range 0.00–0.47). A 5-year backtest shows a typical error of ±60.8%, with 100% of held-out values landing inside the 95% band.

-62%Change by 2029
0.10Projected 2029 index
0.00–0.4795% range
±60.8%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
20250.120.000.50
20260.120.000.49
20270.110.000.48
20280.100.000.48
20290.100.000.47

Northern Mockingbird Survey Routes in Maine

Routes recording Northern Mockingbird in Maine.
Turner620021974
Biddeford520181974
Cape Neddick320241972
Otisfield Gr320081966
Bowdoin Ctr319931991
Forest Sta319841972
Westbrook220171977
Deblois219911966
Cambridge219971996
Cornville220242023
Kittery Pt120231966
Northfield 2119981993
Bethel119991994
Greenwood119761966
Reeds119981998
South Arm120122012
Hartford120211979
Manchester119811981
East Troy120082008
Warren119801980
Freedom120072001
Harmony120111975
Topsfield119901990
Brooks119881984
Hermon120181980

Northern Mockingbird Population Trend in Other States

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

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