Species · Maryland · BBS 2025 Release · 1966–2024
Rock Pigeon Population Trend in Maryland
Rock Pigeon in Maryland has fallen sharply: down 59% on the route-weighted index since 1968.
-59%Since 1968
75Routes In State
58Years
Notable Rock Pigeon Trends in Maryland
long arc declinecomputed index
Rock Pigeon has fallen sharply in Maryland: down 59% on the route-weighted index since 1968.
Rock Pigeon Population Forecast in Maryland
If the recent trend holds, Rock Pigeon in Maryland is projected to fall about 56% by 2029 — from 4.0 in 2024 to a central estimate of 1.7 (95% range 0.00–8.5). A 5-year backtest shows a typical error of ±79.1%, with 40% of held-out values landing inside the 95% band.
-56%Change by 2029
1.7Projected 2029 index
0.00–8.595% range
±79.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.9 | 0.00 | 9.6 |
| 2026 | 2.6 | 0.00 | 9.3 |
| 2027 | 2.3 | 0.00 | 9.0 |
| 2028 | 2.0 | 0.00 | 8.7 |
| 2029 | 1.7 | 0.00 | 8.5 |
Rock Pigeon Survey Routes in Maryland
| Williamsport | 56 | 2024 | 1966 |
| Snow Hill | 45 | 1976 | 1966 |
| Largo | 43 | 1981 | 1966 |
| Jones | 42 | 1994 | 1966 |
| Bald Friar | 36 | 1996 | 1992 |
| Hughesville | 30 | 2019 | 1969 |
| Wolfsville | 22 | 2024 | 1966 |
| Forest Grove | 20 | 2023 | 2014 |
| Madonna | 20 | 2022 | 2009 |
| Emmitsburg | 17 | 2024 | 1966 |
| Easton | 16 | 2019 | 1966 |
| Newark | 13 | 2024 | 1966 |
| Norwood | 12 | 2010 | 1966 |
| Bachman Mill | 12 | 2023 | 1966 |
| Harmony | 12 | 2017 | 1966 |
| Jessup | 12 | 2024 | 2013 |
| Broomes Isl | 10 | 1994 | 1967 |
| Smithsburg | 9 | 2014 | 1966 |
| Beltsville | 9 | 2011 | 1966 |
| Mt Nebo | 8 | 1991 | 1969 |
| Eklo | 8 | 2018 | 1966 |
| Floyd | 7 | 2023 | 1967 |
| Madison | 7 | 2022 | 1968 |
| Cokesbury | 7 | 2024 | 1966 |
| Potomac Park | 6 | 2024 | 1970 |
Rock Pigeon Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.