Species · Wyoming · BBS 2025 Release · 1966–2024

Warbling Vireo Population Trend in Wyoming

Warbling Vireo in Wyoming has risen sharply: up 53% on the route-weighted index since 1970.

+53%Since 1970
75Routes In State
56Years

Notable Warbling Vireo Trends in Wyoming

long arc increasecomputed index

Warbling Vireo has risen sharply in Wyoming: up 53% on the route-weighted index since 1970.

Warbling Vireo Population Forecast in Wyoming

If the recent trend holds, Warbling Vireo in Wyoming is projected to rise about 12% by 2029 — from 5.4 in 2024 to a central estimate of 6.0 (95% range 3.5–8.5). A 5-year backtest shows a typical error of ±12%, with 100% of held-out values landing inside the 95% band.

+12%Change by 2029
6.0Projected 2029 index
3.58.595% range
±12%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
20255.83.38.3
20265.93.48.3
20275.93.48.4
20286.03.58.4
20296.03.58.5

Warbling Vireo Survey Routes in Wyoming

Routes recording Warbling Vireo in Wyoming.
Moskee4420011980
Alpine4320241979
Hunter Peak4220241982
Colter Bay 23620242019
Mammoth3420241982
Soda Lake3320241980
Moskee 23320212002
Moskee 33220242022
Savery3119951989
Wilson3120241979
Fiddler Lk3120241979
Moose2620241976
Sundance2220241975
Colter Bay2119991968
Warbonnet2120241990
Big Sandy1820241992
Savery 21820242007
Buckskin Mtn1620211980
Ne Entrance1120211982
Horse Creek1120241980
Sybille Cyn1120242014
Fletcher Pk920241979
Prior Flats820241991
Ryan Park820232011
Dubois720241968

Warbling Vireo Population Trend in Other States

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