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

House Finch In Eastern Tallgrass Prairie

House Finch in Eastern Tallgrass Prairie has surged: up 174× on the route-weighted index since 1984.

174×Since 1984
259Routes In Region
42Years

Notable Signals

long arc increasecomputed index

House Finch has surged in Eastern Tallgrass Prairie: up 174× on the route-weighted index since 1984.

Forecast

If the recent trend holds, House Finch in Eastern Tallgrass Prairie is projected to stay roughly flat through 2029, near 4.8 (95% range 1.0–8.5). A 5-year backtest shows a typical error of ±13.6%, with 100% of held-out values landing inside the 95% band.

+3%Change by 2029
4.8Projected 2029 index
1.08.595% range
±13.6%Backtest error
19822029
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
20254.60.868.3
20264.60.908.4
20274.70.948.4
20284.70.988.4
20294.81.08.5

Routes In Eastern Tallgrass Prairie

Routes recording House Finch in Eastern Tallgrass Prairie.
WayneILLINOIS412024
PlainfieldINDIANA361999
WilmingtonOHIO361996
DunlapOHIO301988
BrooklynIOWA292018
NewportOHIO291994
RaymondWISCONSIN292024
TroyOHIO271996
AshleyOHIO262018
BrookvilleINDIANA252024
ItascaILLINOIS242024
MaplewoodINDIANA232021
Marion 2OHIO232024
Sioux CityIOWA222024
New DoverOHIO222022
AndersonINDIANA212024
MarionOHIO212023
Red RockIOWA202024
Portage 2INDIANA172024
TiptonINDIANA161992
MoselleMISSOURI162024
NorwalkOHIO152024
EnonOHIO152024
SheffieldILLINOIS142024
New LenoxILLINOIS142019

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