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

Dickcissel Population Trend in Maryland

All statesGrassland birds

Dickcissel in Maryland has surged: up 197% on the route-weighted index since 1970.

+197%Since 1970
18Routes In State
31Years

Notable Dickcissel Trends in Maryland

long arc increasecomputed index

Dickcissel has surged in Maryland: up 197% on the route-weighted index since 1970.

Dickcissel Population Forecast in Maryland

If the recent trend holds, Dickcissel in Maryland is projected to rise about 18% by 2028 — from 0.10 in 2023 to a central estimate of 0.12 (95% range 0.02–0.22). A 5-year backtest shows a typical error of ±103.8%, with 100% of held-out values landing inside the 95% band.

+18%Change by 2028
0.12Projected 2028 index
0.02–0.2295% range
±103.8%Backtest error
19662028
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
20240.110.010.21
20250.110.010.21
20260.120.010.21
20270.120.020.22
20280.120.020.22

Dickcissel Survey Routes in Maryland

Routes recording Dickcissel in Maryland.
Millington320051995
Emmitsburg320231970
Harmony319961994
Williamsport220221983
Smithsburg220142010
Cokesbury219971997
Vindex120212021
Melitota120231987
Wolfsville120122011
Silver Spg119801980
Piney Neck119891989
Matthews120211970
Easton119661966
Madison120002000
Vienna120112008
Randallstown119801980
Ijamsville120172011
Pomfret119671967

Dickcissel Population Trend in Other States

alabamaarkansascoloradodelawaregeorgiaillinoisindianaiowakansaskentuckylouisianamichiganminnesotamississippimissourimontananebraskanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-carolinasouth-dakotatennesseetexasvirginiawest-virginiawisconsinwyoming

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