BirdAnalyst
Species · Utah · BBS 2025 Release · 1966–2024

American Avocet Population Trend in Utah

All statesShorebirds

American Avocet in Utah has surged: up 248% on the route-weighted index since 1972.

+248%Since 1972
26Routes In State
44Years

Notable American Avocet Trends in Utah

long arc increasecomputed index

American Avocet has surged in Utah: up 248% on the route-weighted index since 1972.

American Avocet Population Forecast in Utah

If the recent trend holds, American Avocet in Utah is projected to rise about 145% by 2029 — from 1.4 in 2024 to a central estimate of 3.5 (95% range 0.00–12). A 5-year backtest shows a typical error of ±186.1%, with 100% of held-out values landing inside the 95% band.

+145%Change by 2029
3.5Projected 2029 index
0.00–1295% range
±186.1%Backtest error
19692029
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
20253.40.0012
20263.50.0012
20273.50.0012
20283.50.0012
20293.50.0012

American Avocet Survey Routes in Utah

Routes recording American Avocet in Utah.
Bear River11420231992
Goshen5020241986
Snowville1920241999
Callao1420241992
Neponset Res1120181995
Clive920212021
Jensen520232023
Randolph320211994
Cleveland319921992
Main Canyon320021991
Promontory220241969
E. Bear Lake220182000
Notch Peak219951990
Oak City220001986
Wellington 2220102003
Gold Hill219961994
Delta220022002
Wendover119861986
Salt Springs120031986
Timpie Spg120031980
Saleratus Cr120161995
Aneth120032001
Lynn120131988
M Warner Res120232023
Grantsville120172015

American Avocet Population Trend in Other States

arizonacaliforniacoloradoidahokansaslouisianaminnesotamontananebraskanevadanew-mexiconorth-dakotaoklahomaoregonsouth-dakotatexaswashingtonwyoming

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