BirdAnalyst
Guild · New Mexico · BBS 2025 Release · 1966–2024

Generalists In New Mexico

All statesNew Mexico

87 species in this guild. As a group they are -28%Guild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology → since 1970.

Guild SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for generalists in New Mexico. See the full index history below.

Forecast

If the recent trend holds, Generalists in New Mexico is projected to fall about 20% by 2029 — from 2.4 in 2024 to a central estimate of 1.9 (95% range 1.0–2.8). A 5-year backtest shows a typical error of ±16.8%, with 100% of held-out values landing inside the 95% band.

-20%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
1.9Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
1.0–2.895% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±16.8%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Generalists in New Mexico is projected to fall about 20% by 2029 — from 2.4 in 2024 to a central estimate of 1.9 (95% range 1.0–2.8). A 5-year backtest shows a typical error of ±16.8%, with 100% of held-out values landing inside the 95% band.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 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20252.01.22.9
20262.01.12.9
20272.01.12.9
20281.91.12.8
20291.91.02.8

Member Species In New Mexico

Generalists species in New Mexico.
TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
Bendire's ThrasherMimidae-95%
Lazuli BuntingCardinalidae-92%
Yellow-billed CuckooCuculidae-91%
Band-tailed PigeonColumbidae-91%
Prairie FalconFalconidae-86%
Belted KingfisherAlcedinidae-86%
Golden EagleAccipitridae-84%
Harris's HawkAccipitridae-84%
Red CrossbillFringillidae-82%
Sharp-shinned HawkAccipitridae-80%
Loggerhead ShrikeLaniidae-79%
Yellow-headed BlackbirdIcteridae-78%
Indigo BuntingCardinalidae-77%
Cassin's FinchFringillidae-76%
Northern HarrierAccipitridae-76%
European StarlingSturnidae-74%
Common GrackleIcteridae-73%
Cooper's HawkAccipitridae-71%
White-crowned SparrowPasserellidae-67%
Ferruginous HawkAccipitridae-64%
American GoldfinchFringillidae-64%
American DipperCinclidae-63%
Canyon TowheePasserellidae-61%
Woodhouse's Scrub-JayCorvidae-61%
Pinyon JayCorvidae-60%
Clark's NutcrackerCorvidae-56%
Northern Pygmy-OwlStrigidae-54%
Song SparrowPasserellidae-52%
American KestrelFalconidae-48%
American GoshawkAccipitridae-45%
Sagebrush SparrowPasserellidae-43%
Evening GrosbeakFringillidae-43%
Black-billed MagpieCorvidae-41%
Bronzed CowbirdIcteridae-36%
Northern MockingbirdMimidae-35%
Pine SiskinFringillidae-34%
Burrowing OwlStrigidae-29%
Gray CatbirdMimidae-29%
Brewer's BlackbirdIcteridae-26%
Inca DoveColumbidae-24%
Red-winged BlackbirdIcteridae-23%
Lincoln's SparrowPasserellidae-15%
Hooded OrioleIcteridae-15%
Broad-tailed HummingbirdTrochilidae-14%
Scaled QuailOdontophoridae-13%
BushtitAegithalidae-12%
Lesser GoldfinchFringillidae-10%
House SparrowPasseridae-8%
Rock PigeonColumbidae-8%
Brown-headed CowbirdIcteridae-7%
Brewer's SparrowPasserellidae-3%
Black-chinned SparrowPasserellidae-3%
Great Horned OwlStrigidae+1%
House FinchFringillidae+3%
Red-tailed HawkAccipitridae+5%
American CrowCorvidae+16%
Scott's OrioleIcteridae+17%
Peregrine FalconFalconidae+19%
Chipping SparrowPasserellidae+25%
Chihuahuan MeadowlarkIcteridae+26%
Rufous-crowned SparrowPasserellidae+27%
Turkey VultureCathartidae+29%
Crissal ThrasherMimidae+30%
Chihuahuan RavenCorvidae+39%
Mourning DoveColumbidae+47%
Black-chinned HummingbirdTrochilidae+57%
Painted BuntingCardinalidae+63%
Black-headed GrosbeakCardinalidae+66%
Swainson's HawkAccipitridae+69%
Olive WarblerPeucedramidae+79%
Common RavenCorvidae+80%
Bullock's OrioleIcteridae+91%
Hepatic TanagerCardinalidae+107%
Summer TanagerCardinalidae+144%
Sage ThrasherMimidae+158%
Steller's JayCorvidae+165%
Northern CardinalCardinalidae+207%
Montezuma QuailOdontophoridae+213%
Green-tailed TowheePasserellidae+251%
Wild TurkeyPhasianidae+291%
Spotted TowheePasserellidae+302%
Western TanagerCardinalidae+313%
White-winged DoveColumbidae+372%
Blue GrosbeakCardinalidae+473%
Great-tailed GrackleIcteridae+523%
Yellow-breasted ChatIcteriidae+965%
Eurasian Collared-DoveColumbidae11×

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