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

Common Grackle Population Trend in Florida

All statesGeneralists

Common Grackle in Florida has fallen sharply: down 53% on the route-weighted index since 1968.

-53%Since 1968
123Routes In State
58Years

Notable Common Grackle Trends in Florida

long arc declinecomputed index

Common Grackle has fallen sharply in Florida: down 53% on the route-weighted index since 1968.

Common Grackle Population Forecast in Florida

If the recent trend holds, Common Grackle in Florida is projected to fall about 19% by 2029 — from 12 in 2024 to a central estimate of 9.8 (95% range 3.3–16). A 5-year backtest shows a typical error of ±12%, with 100% of held-out values landing inside the 95% band.

-19%Change by 2029
9.8Projected 2029 index
3.3–1695% range
±12%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
2025125.118
2026114.618
2027114.217
2028103.817
20299.83.316

Common Grackle Survey Routes in Florida

Routes recording Common Grackle in Florida.
Kendall11019911987
Boca Raton10719941968
Redlands9320241994
Shawano 29020112004
Dale Mabry8319881966
Lovedale8120111987
Plantation K8020041966
Gardner7019991987
Webb7020241990
Ft Waltn Bch6620111966
Holey Land6620241987
Alturas6419861971
Sugarloaf Key6120041999
Key Largo5719911987
Indiantown5520171966
Punta Gorda5220151980
St Lucie4820241987
Santa Rosa4720031987
Key West4619871987
Ridge Harbor4320241991
Childs4120221966
Vero Beach3920221993
Wildernes Pk3620141992
Myakka Head3320111966
Winter Gardn3320191987

Common Grackle Population Trend in Other States

alabamaarkansascoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming

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