Species · BCR 33 · BBS 2025 Release · 1966–2024

Killdeer In Sonoran and Mojave Deserts

Killdeer in Sonoran and Mojave Deserts has surged: up 315% on the route-weighted index since 1970.

+315%Since 1970
44Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Killdeer has surged in Sonoran and Mojave Deserts: up 315% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Killdeer in Sonoran and Mojave Deserts is projected to rise about 36% by 2029 — from 2.0 in 2024 to a central estimate of 2.7 (95% range 0.00–5.7). A 5-year backtest shows a typical error of ±35.6%, with 100% of held-out values landing inside the 95% band.

+36%Change by 2029
2.7Projected 2029 index
0.005.795% range
±35.6%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
20252.70.005.7
20262.70.005.7
20272.70.005.7
20282.70.005.7
20292.70.005.7

Routes In Sonoran and Mojave Deserts

Routes recording Killdeer in Sonoran and Mojave Deserts.
Palo VerdeARIZONA252013
Palo Verde 2ARIZONA212024
ArabyARIZONA112023
NilandCALIFORNIA112024
Alamo RiverCALIFORNIA112018
Imperial DamCALIFORNIA112010
Cactus ForestARIZONA102024
Palo VerdeCALIFORNIA92024
AjoARIZONA62000
BrawleyCALIFORNIA62012
BlytheCALIFORNIA52003
VicksburgARIZONA41989
Ajo 2ARIZONA42019
FlorenceARIZONA31988
DatelandARIZONA32024
Hope 2ARIZONA32018
WikieupARIZONA22004
New RiverARIZONA22016
WickenburgARIZONA22022
HopeARIZONA22004
Casa GrandeARIZONA22023
OnyxCALIFORNIA22001
Coachella CnCALIFORNIA22000
Lucerne ValCALIFORNIA21998
Kelso ValleyCALIFORNIA22024

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