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

American Avocet In Shortgrass Prairie

All regionsShortgrass PrairieShorebirds

American Avocet in Shortgrass Prairie has surged: up 352% on the route-weighted index since 1971.

+352%Since 1971
74Routes In Region
55Years

Notable Signals

long arc increasecomputed index

American Avocet has surged in Shortgrass Prairie: up 352% on the route-weighted index since 1971.

Forecast

If the recent trend holds, American Avocet in Shortgrass Prairie is projected to rise about 51% by 2029 — from 0.61 in 2024 to a central estimate of 0.93 (95% range 0.00–2.1). A 5-year backtest shows a typical error of ±79.3%, with 100% of held-out values landing inside the 95% band.

+51%Change by 2029
0.93Projected 2029 index
0.00–2.195% range
±79.3%Backtest error
19682029
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
20250.920.002.1
20260.920.002.1
20270.920.002.1
20280.930.002.1
20290.930.002.1

Routes In Shortgrass Prairie

Routes recording American Avocet in Shortgrass Prairie.
ClaytonvilleTEXAS182022
BenkelmanNEBRASKA151991
WakaTEXAS132024
PlymellKANSAS122024
CactusTEXAS102023
Mica ButteCOLORADO91987
NeegrandeCOLORADO81993
PantexTEXAS82023
LamarCOLORADO62023
WaverlyCOLORADO62007
Sheridan LakCOLORADO62016
Arsenal 2COLORADO62022
CircleTEXAS62017
Gordon CreekCOLORADO51999
LeotiKANSAS52017
Wagon MoundNEW-MEXICO51973
MaxwellNEW-MEXICO52017
HookerOKLAHOMA52023
LamesaTEXAS52023
BriggsdaleCOLORADO42024
PinneoCOLORADO41974
Wildhorse LCOLORADO42024
NunnCOLORADO42021
GrigstonKANSAS42015
BereaNEBRASKA42009

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