Species · New Mexico · BBS 2025 Release · 1966–2024

Violet-green Swallow Population Trend in New Mexico

Violet-green Swallow in New Mexico has declined: down 36% on the route-weighted index since 1970.

-36%Since 1970
54Routes In State
56Years

Notable Violet-green Swallow Trends in New Mexico

No notable trend signals for Violet-green Swallow in New Mexico. See the full index history below.

Violet-green Swallow Population Forecast in New Mexico

If the recent trend holds, Violet-green Swallow in New Mexico is projected to stay roughly flat through 2029, near 3.6 (95% range 0.00–7.7). A 5-year backtest shows a typical error of ±66.6%, with 100% of held-out values landing inside the 95% band.

-2%Change by 2029
3.6Projected 2029 index
0.007.795% range
±66.6%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
20253.70.007.9
20263.70.007.8
20273.70.007.8
20283.60.007.8
20293.60.007.7

Violet-green Swallow Survey Routes in New Mexico

Routes recording Violet-green Swallow in New Mexico.
Maxwell29319971997
Gallinas4020241992
Cloudcroft3020241975
Ojo Sarco2720241968
Vallecitos2220241994
Bluewater Lake1920211999
Dulce1520242001
Angel Fire1220021992
Mt. Taylor920121993
Mt. Taylor 2820242014
Aztec819891989
Emory Pass720241993
Angel Fire 2620242005
Shiprock620151996
Horse Mtn520231968
Carrizozo520241968
Counselor520241992
Quemado419971997
Corona East419931993
La Cienega319831969
Fence Lake320241975
Capitan Mtn.320151993
Farmington219871976
Torreon220181977
Wagon Mound219761976

Violet-green Swallow Population Trend in Other States

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