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.

Generalists In New Mexico Population 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.