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

Bewick's Wren In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieForest birds

Bewick's Wren in Eastern Tallgrass Prairie has fallen sharply: down 55% on the route-weighted index since 1968.

-55%Since 1968
42Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Bewick's Wren has fallen sharply in Eastern Tallgrass Prairie: down 55% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Bewick's Wren in Eastern Tallgrass Prairie is projected to stay roughly flat through 2029, near 0.05 (95% range 0.00–0.12). A 5-year backtest shows a typical error of ±340%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.05Projected 2029 index
0.00–0.1295% range
±340%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
20250.050.000.13
20260.050.000.13
20270.050.000.13
20280.050.000.12
20290.050.000.12

Routes In Eastern Tallgrass Prairie

Routes recording Bewick's Wren in Eastern Tallgrass Prairie.
TrentonMISSOURI41967
FilleyMISSOURI32024
UnionMISSOURI31999
LincolnvilleKANSAS22023
WashingtonMISSOURI21976
OhioMISSOURI22006
WatsonMISSOURI22021
ConcordILLINOIS11991
ColumbiaILLINOIS11966
EubanksILLINOIS12015
Mt HamillIOWA12017
HumboldtKANSAS11991
LaplandKANSAS12017
DoverKANSAS11998
BarclayKANSAS11999
WrefordKANSAS12023
EllinorKANSAS12007
LongtonKANSAS12019
ReeceKANSAS12024
Le LoupKANSAS12018
OlsburgKANSAS12023
RensselaerMISSOURI11975
WarrenMISSOURI11969
MadisonMISSOURI12005
HuntsvilleMISSOURI12022

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