BirdAnalyst
Species · BCR 35 · BBS 2025 Release · 1966–2024

Swainson's Hawk In Chihuahuan Desert

All regionsChihuahuan DesertGeneralists

Swainson's Hawk in Chihuahuan Desert has edged up: up 18% on the route-weighted index since 1970.

+18%Since 1970
49Routes In Region
56Years

Notable Signals

No notable trend signals for Swainson's Hawk in Chihuahuan Desert. See the full index history below.

Forecast

If the recent trend holds, Swainson's Hawk in Chihuahuan Desert is projected to rise about 61% by 2029 — from 1.6 in 2024 to a central estimate of 2.5 (95% range 1.5–3.6). A 5-year backtest shows a typical error of ±23.5%, with 100% of held-out values landing inside the 95% band.

+61%Change by 2029
2.5Projected 2029 index
1.5–3.695% range
±23.5%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
20252.41.43.5
20262.51.43.5
20272.51.43.6
20282.51.53.6
20292.51.53.6

Routes In Chihuahuan Desert

Routes recording Swainson's Hawk in Chihuahuan Desert.
Bitter LakeNEW-MEXICO92023
RoswellNEW-MEXICO72023
Sunshine WllNEW-MEXICO72024
MarfaTEXAS72024
JornadaNEW-MEXICO62024
GirvinTEXAS62017
GageNEW-MEXICO52024
Red RockNEW-MEXICO52024
LakewoodNEW-MEXICO42021
RodeoNEW-MEXICO42024
Lake ValleyNEW-MEXICO42024
CornudasTEXAS42018
LaborcitaNEW-MEXICO32019
Black GapTEXAS31998
SlaughterTEXAS32021
Quitman Cyn.TEXAS32006
MarathonTEXAS32023
Van HornTEXAS32024
MesillaNEW-MEXICO22000
ColumbusNEW-MEXICO22024
Laborcita 2NEW-MEXICO22024
LongfellowTEXAS22023
Delaware CrkTEXAS22015
OzonaTEXAS22021
Ft. StocktonTEXAS22023

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