BirdAnalyst
Species · BCR 22 · BBS 2025 Release · 1966–2024

Field Sparrow In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieGeneralists

Field Sparrow in Eastern Tallgrass Prairie has declined: down 48% on the route-weighted index since 1968.

-48%Since 1968
276Routes In Region
58Years

Notable Signals

No notable trend signals for Field Sparrow in Eastern Tallgrass Prairie. See the full index history below.

Forecast

If the recent trend holds, Field Sparrow in Eastern Tallgrass Prairie is projected to fall about 15% by 2029 — from 6.1 in 2024 to a central estimate of 5.2 (95% range 2.9–7.4). A 5-year backtest shows a typical error of ±19.9%, with 100% of held-out values landing inside the 95% band.

-15%Change by 2029
5.2Projected 2029 index
2.9–7.495% range
±19.9%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
20255.53.27.7
20265.43.17.6
20275.33.17.6
20285.23.07.5
20295.22.97.4

Routes In Eastern Tallgrass Prairie

Routes recording Field Sparrow in Eastern Tallgrass Prairie.
New CastleINDIANA452024
HarveysburgOHIO431996
LucerneMISSOURI362021
EmdenMISSOURI282024
WashtaIOWA272014
HuntsvilleMISSOURI252024
WilmingtonOHIO251996
Kings CreekOHIO222015
Kankakee SandsINDIANA212024
SticklervillMISSOURI212024
TrentonMISSOURI202024
ThorntownINDIANA192024
GrantvilleKANSAS192022
Trading PostKANSAS192024
FilleyMISSOURI192024
McfallMISSOURI192024
New HamptonMISSOURI192024
UnionMISSOURI191999
MarionOHIO192023
KellILLINOIS182024
GildehouseMISSOURI181989
Queen CityMISSOURI182022
RobinsonILLINOIS172023
SextonINDIANA172024
Le LoupKANSAS172021

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