BirdAnalyst
Species · North Carolina · BBS 2025 Release · 1966–2024

Common Grackle Population Trend in North Carolina

All statesGeneralists

Common Grackle in North Carolina has fallen sharply: down 69% on the route-weighted index since 1968.

-69%Since 1968
105Routes In State
58Years

Notable Common Grackle Trends in North Carolina

long arc declinecomputed index

Common Grackle has fallen sharply in North Carolina: down 69% on the route-weighted index since 1968.

Common Grackle Population Forecast in North Carolina

If the recent trend holds, Common Grackle in North Carolina is projected to stay roughly flat through 2029, near 14 (95% range 0.00–39). A 5-year backtest shows a typical error of ±20.7%, with 100% of held-out values landing inside the 95% band.

-1%Change by 2029
14Projected 2029 index
0.00–3995% range
±20.7%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
2025180.0043
2026170.0042
2027160.0041
2028150.0040
2029140.0039

Common Grackle Survey Routes in North Carolina

Routes recording Common Grackle in North Carolina.
Jarvisburg 260920222000
Beargrass32719811966
Jarvisburg20619991992
Grandy14819751971
Shallotte13219911966
Mashoes10119821971
Fairmont7819811968
Cherryville7719681966
Hertford7120241997
California6120131972
Mattamuskeet5820211998
Wilgrove5520231995
Speed5420241966
Madison4919851966
Ostwalt4920242012
Arapahoe4619951966
Siloam4620242005
Belgrade4020192002
Rhems3919931990
Craven Gap3719751969
Myrtle Grove3520241966
Milltail Cr3520241992
Sheffield3320241991
Arcola3220241971
Rowland3220241990

Common Grackle Population Trend in Other States

alabamaarkansascoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming

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