BirdAnalyst
Species · BCR 18 · BBS 2025 Release · 1966–2024

Ruddy Duck In Shortgrass Prairie

All regionsShortgrass PrairieWaterfowl

Ruddy Duck in Shortgrass Prairie has fallen sharply: down 66% on the route-weighted index since 1978.

-66%Since 1978
23Routes In Region
24Years

Notable Signals

long arc declinecomputed index

Ruddy Duck has fallen sharply in Shortgrass Prairie: down 66% on the route-weighted index since 1978.

Forecast

If the recent trend holds, Ruddy Duck in Shortgrass Prairie is projected to rise about 100% by 2028 — from 0.05 in 2023 to a central estimate of 0.11 (95% range 0.00–0.43). A 5-year backtest shows a typical error of ±224.8%, with 100% of held-out values landing inside the 95% band.

+100%Change by 2028
0.11Projected 2028 index
0.00–0.4395% range
±224.8%Backtest error
19762028
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
20240.110.000.44
20250.110.000.43
20260.110.000.43
20270.110.000.43
20280.110.000.43

Routes In Shortgrass Prairie

Routes recording Ruddy Duck in Shortgrass Prairie.
KiowaCOLORADO432015
Wildhorse LCOLORADO242015
NunnCOLORADO82017
GrenvilleNEW-MEXICO81978
MaxwellNEW-MEXICO82007
PritchettCOLORADO62008
Last ChanceCOLORADO41987
JulesburgCOLORADO42021
Pine RidgeNEBRASKA42019
CactusTEXAS42023
LamarCOLORADO32021
FlemingCOLORADO21977
AmherstCOLORADO22011
NeegrandeCOLORADO21997
HookerOKLAHOMA22005
DoughertyTEXAS22007
ClaytonvilleTEXAS22022
DalhartTEXAS22016
GroverCOLORADO12014
FlaglerCOLORADO12006
Wagon MoundNEW-MEXICO11978
WakaTEXAS11997
FloydadaTEXAS12010

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