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

Prothonotary Warbler In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieForest birds

Prothonotary Warbler in Eastern Tallgrass Prairie has surged: up 116% on the route-weighted index since 1968.

+116%Since 1968
64Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Prothonotary Warbler has surged in Eastern Tallgrass Prairie: up 116% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Prothonotary Warbler in Eastern Tallgrass Prairie is projected to rise about 32% by 2029 — from 0.06 in 2024 to a central estimate of 0.08 (95% range 0.04–0.13). A 5-year backtest shows a typical error of ±32.1%, with 100% of held-out values landing inside the 95% band.

+32%Change by 2029
0.08Projected 2029 index
0.04–0.1395% range
±32.1%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
20250.080.040.13
20260.080.040.13
20270.080.040.13
20280.080.040.13
20290.080.040.13

Routes In Eastern Tallgrass Prairie

Routes recording Prothonotary Warbler in Eastern Tallgrass Prairie.
BelleviewILLINOIS52024
EldredILLINOIS31995
Trading PostKANSAS32024
NewarkILLINOIS22014
Mascoutah LkILLINOIS22023
MoreheadKANSAS22023
FilleyMISSOURI22022
StetMISSOURI21995
EnonOHIO22021
GeneseoILLINOIS12018
GulfportILLINOIS12023
ChandlervillILLINOIS11973
AthensvilleILLINOIS12003
ConcordILLINOIS12004
PawneeILLINOIS12002
FairlandILLINOIS11994
HumboldtILLINOIS12023
ColumbiaILLINOIS11968
JamestownILLINOIS12012
St MorganILLINOIS12022
BeaucoupILLINOIS12023
OlneyILLINOIS12024
FloraILLINOIS12017
RobinsonILLINOIS12022
Camp PointILLINOIS12023

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