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

Field Sparrow Population Trend in Florida

All statesGeneralists

Field Sparrow in Florida has collapsed: down 97% on the route-weighted index since 1968.

-97%Since 1968
21Routes In State
43Years

Notable Field Sparrow Trends in Florida

long arc declinecomputed index

Field Sparrow has collapsed in Florida: down 97% on the route-weighted index since 1968.

Field Sparrow Population Forecast in Florida

If the recent trend holds, Field Sparrow in Florida is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–0.17). A 5-year backtest shows a typical error of ±1004.2%, with 60% of held-out values landing inside the 95% band.

n/aChange by 2028
0.00Projected 2028 index
0.00–0.1795% range
±1004.2%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
20240.000.000.17
20250.000.000.17
20260.000.000.17
20270.000.000.17
20280.000.000.17

Field Sparrow Survey Routes in Florida

Routes recording Field Sparrow in Florida.
Kenansville619981997
Dowling Park519971987
Telogia419731970
Hildreth420091987
Micanopy319891989
Lovedale220021990
Pinetta220001993
Cross City219881988
Mossy Head119851985
Blountstown119661966
Broad Branch119911991
Miccosukee120001966
Seminole Hls119981998
Covington119921968
Belmont119721972
San Antonio119881988
Ft Lonesome119871987
Hildreth 2120232016
Blackwater119971994
Miller Xrds120172017
Alligator Pt119871987

Field Sparrow Population Trend in Other States

alabamaarkansascoloradoconnecticutdelawaregeorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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