BirdAnalyst
Species · BCR 16 · BBS 2025 Release · 1966–2024

Killdeer In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauShorebirds

Killdeer in Southern Rockies / Colorado Plateau has fallen sharply: down 65% on the route-weighted index since 1970.

-65%Since 1970
186Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Killdeer has fallen sharply in Southern Rockies / Colorado Plateau: down 65% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Killdeer in Southern Rockies / Colorado Plateau is projected to fall about 100% by 2029 — from 0.71 in 2024 to a central estimate of 0.00 (95% range 0.00–2.2). A 5-year backtest shows a typical error of ±43.1%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–2.295% range
±43.1%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
20250.150.002.3
20260.070.002.3
20270.000.002.2
20280.000.002.2
20290.000.002.2

Routes In Southern Rockies / Colorado Plateau

Routes recording Killdeer in Southern Rockies / Colorado Plateau.
DoloresCOLORADO211987
FruitaCOLORADO122007
Pagosa SpgsCOLORADO111982
FarmingtonNEW-MEXICO101987
AlamosaCOLORADO92024
Yellowjacket PassCOLORADO72024
HannaUTAH72024
WaldenCOLORADO62024
Angel FireNEW-MEXICO62002
Sybille CynWYOMING62024
DoylevilleCOLORADO52023
Weston PassCOLORADO52000
Animas 2COLORADO52018
BufordCOLORADO42023
ParlinCOLORADO42019
San LuisCOLORADO42015
PaoniaCOLORADO42024
MoscaCOLORADO42024
Cortez 2COLORADO42017
PecosNEW-MEXICO41992
MountainairNEW-MEXICO42004
Salt LakeNEW-MEXICO42000
BeckUTAH41987
Castle DaleUTAH42023
KamasUTAH42024

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