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

Common Raven Population Trend in Maryland

All statesGeneralists

Common Raven in Maryland has surged: up 87× on the route-weighted index since 1974.

87×Since 1974
25Routes In State
47Years

Notable Common Raven Trends in Maryland

long arc increasecomputed index

Common Raven has surged in Maryland: up 87× on the route-weighted index since 1974.

Common Raven Population Forecast in Maryland

If the recent trend holds, Common Raven in Maryland is projected to fall about 39% by 2029 — from 1.8 in 2024 to a central estimate of 1.1 (95% range 0.46–1.8). A 5-year backtest shows a typical error of ±51.6%, with 20% of held-out values landing inside the 95% band.

-39%Change by 2029
1.1Projected 2029 index
0.46–1.895% range
±51.6%Backtest error
19672029
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
20251.00.361.7
20261.00.391.7
20271.10.411.7
20281.10.431.7
20291.10.461.8

Common Raven Survey Routes in Maryland

Routes recording Common Raven in Maryland.
Green Ridge1620241995
Vindex1520241967
Oldtown720241977
Piney Grove620241995
Emmitsburg520242014
Jessup520242022
Williamsport420242013
Wolfsville420232007
Finzel420241995
Ijamsville420232011
Floyd320241979
Olney320242012
Pleasant Val320192019
Jennings320241997
Steyer320241997
Mt Nebo219891975
Madonna220222022
Potomac Park120232008
Smithsburg120142009
Eklo119781978
Cokesbury120242024
Accident 2120242019
Accident120171997
Davidsnville120232023
Island Creek120232023

Common Raven Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutgeorgiaidahokentuckymainemassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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