BirdAnalyst
Species · BCR 18 · BBS 2025 Release · 1966–2024

Loggerhead Shrike In Shortgrass Prairie

All regionsShortgrass PrairieGeneralists

Loggerhead Shrike in Shortgrass Prairie has fallen sharply: down 61% on the route-weighted index since 1969.

-61%Since 1969
126Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Loggerhead Shrike has fallen sharply in Shortgrass Prairie: down 60% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Loggerhead Shrike in Shortgrass Prairie is projected to stay roughly flat through 2029, near 1.2 (95% range 0.12–2.4). A 5-year backtest shows a typical error of ±39.6%, with 100% of held-out values landing inside the 95% band.

+9%Change by 2029
1.2Projected 2029 index
0.12–2.495% range
±39.6%Backtest error
19672029
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
20251.30.192.4
20261.30.172.4
20271.30.152.4
20281.30.132.4
20291.20.122.4

Routes In Shortgrass Prairie

Routes recording Loggerhead Shrike in Shortgrass Prairie.
PecosTEXAS192017
CrowleyCOLORADO162024
GruverTEXAS152016
Prospect ValCOLORADO142000
Adams Co.COLORADO112022
BennettCOLORADO92018
MaljamarNEW-MEXICO81977
VariaderoNEW-MEXICO82022
ChugwaterWYOMING82024
RushCOLORADO72022
Mica ButteCOLORADO71987
BethuneCOLORADO72016
WinkTEXAS71986
Last Chance 2COLORADO62024
LoganNEW-MEXICO62023
WaverlyCOLORADO52018
Doyle BridgeCOLORADO51997
DaltonNEBRASKA52024
BoyeroCOLORADO42017
VillegreenCOLORADO42024
CaprockNEW-MEXICO42024
SkellytownTEXAS42009
CactusTEXAS41994
SaragosaTEXAS42024
BriggsdaleCOLORADO32024

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