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

Bell's Vireo In Eastern Tallgrass Prairie

Bell's Vireo in Eastern Tallgrass Prairie has risen sharply: up 74% on the route-weighted index since 1968.

+74%Since 1968
169Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Bell's Vireo has risen sharply in Eastern Tallgrass Prairie: up 74% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Bell's Vireo in Eastern Tallgrass Prairie is projected to fall about 22% by 2029 — from 0.81 in 2024 to a central estimate of 0.63 (95% range 0.29–0.97). A 5-year backtest shows a typical error of ±41%, with 20% of held-out values landing inside the 95% band.

-22%Change by 2029
0.63Projected 2029 index
0.290.9795% range
±41%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
20250.610.270.95
20260.610.270.95
20270.620.280.96
20280.620.280.97
20290.630.290.97

Routes In Eastern Tallgrass Prairie

Routes recording Bell's Vireo in Eastern Tallgrass Prairie.
Trading PostKANSAS122024
LincolnvilleKANSAS112024
OhioMISSOURI112024
McfallMISSOURI112024
WainwrightOKLAHOMA72013
FrankfordMISSOURI62024
MilfordMISSOURI62024
ThrallKANSAS51967
KeetonvilleOKLAHOMA52022
ChandlervillILLINOIS42024
KellILLINOIS42024
DoverKANSAS42022
WrefordKANSAS42024
RockinghamMISSOURI42024
New PointMISSOURI42024
BeaucoupILLINOIS32024
College Spgs 2IOWA32023
HumboldtKANSAS32022
MoreheadKANSAS32024
SeveranceKANSAS32024
RensselaerMISSOURI32023
StetMISSOURI31995
KahokaMISSOURI31995
KearneyMISSOURI32023
Kahoka2MISSOURI32024

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