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

Ring-necked Duck In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauWaterfowl

Ring-necked Duck in Southern Rockies / Colorado Plateau has fallen sharply: down 58% on the route-weighted index since 1988.

-58%Since 1988
42Routes In Region
36Years

Notable Signals

long arc declinecomputed index

Ring-necked Duck has fallen sharply in Southern Rockies / Colorado Plateau: down 58% on the route-weighted index since 1988.

Forecast

If the recent trend holds, Ring-necked Duck in Southern Rockies / Colorado Plateau is projected to stay roughly flat through 2029, near 0.10 (95% range 0.00–0.36). A 5-year backtest shows a typical error of ±230.7%, with 100% of held-out values landing inside the 95% band.

-6%Change by 2029
0.10Projected 2029 index
0.00–0.3695% range
±230.7%Backtest error
19692029
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
20250.110.000.37
20260.110.000.37
20270.110.000.37
20280.100.000.37
20290.100.000.36

Routes In Southern Rockies / Colorado Plateau

Routes recording Ring-necked Duck in Southern Rockies / Colorado Plateau.
Stillwater PassCOLORADO122006
MonticelloUTAH71999
Willow PeakCOLORADO62010
PiedraCOLORADO62016
Yellowjacket PassCOLORADO62024
SoapstoneUTAH62004
GooseberryUTAH62016
AltonUTAH62008
M Warner ResUTAH52016
AlamosaCOLORADO41988
Weston PassCOLORADO31999
Gold HillCOLORADO32005
Rifle FallsCOLORADO32006
Main CanyonUTAH32024
Moon LakeUTAH31998
AspenCOLORADO22017
CortezCOLORADO21989
Rio Grnds RsCOLORADO22024
Dunckley PasCOLORADO22017
Mcphee Res.COLORADO22024
Cochetopa PassCOLORADO22022
Grizzly RdgeUTAH21998
DragertonUTAH21998
Navajo LakeUTAH22012
Skyline DrivUTAH22001

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