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

Loggerhead Shrike In Eastern Tallgrass Prairie

Loggerhead Shrike in Eastern Tallgrass Prairie has collapsed: down 88% on the route-weighted index since 1968.

-88%Since 1968
165Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Loggerhead Shrike has collapsed in Eastern Tallgrass Prairie: down 87% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Loggerhead Shrike in Eastern Tallgrass Prairie is projected to fall about 100% by 2029 — from 0.18 in 2024 to a central estimate of 0.00 (95% range 0.00–0.61). A 5-year backtest shows a typical error of ±179.8%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.000.6195% range
±179.8%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
20250.000.000.61
20260.000.000.61
20270.000.000.61
20280.000.000.61
20290.000.000.61

Routes In Eastern Tallgrass Prairie

Routes recording Loggerhead Shrike in Eastern Tallgrass Prairie.
Ash CreekMINNESOTA531991
Sni MillsMISSOURI81990
BolckowMISSOURI81992
Trading PostKANSAS72024
ThrallKANSAS61970
MelroseKANSAS52021
PeoriaOKLAHOMA52022
WainwrightOKLAHOMA52013
MelroseILLINOIS41986
Rock ValleyIOWA41982
ChandlervillILLINOIS31973
AthensvilleILLINOIS31982
College SpgsIOWA32004
PiersonIOWA32003
GalesburgKANSAS32024
LaplandKANSAS32018
LongtonKANSAS32021
FilleyMISSOURI32024
SticklervillMISSOURI32024
LacledeMISSOURI32024
New PointMISSOURI31995
CollinsvilleOKLAHOMA32021
Mill CreekILLINOIS21990
HolcombILLINOIS21991
ComptonILLINOIS21982

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