Species · BCR 4 · BBS 2025 Release · 1966–2024

Ring-necked Duck In BCR 4

Ring-necked Duck in BCR 4 has edged up: up 15% on the route-weighted index since 1989.

+15%Since 1989
22Routes In Region
32Years

Notable Signals

No notable trend signals for Ring-necked Duck in BCR 4. See the full index history below.

Forecast

If the recent trend holds, Ring-necked Duck in BCR 4 is projected to stay roughly flat through 2029, near 0.26 (95% range 0.00–0.56). A 5-year backtest shows a typical error of ±115.8%, with 100% of held-out values landing inside the 95% band.

-5%Change by 2029
0.26Projected 2029 index
0.000.5695% range
±115.8%Backtest error
19832029
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
20250.260.000.56
20260.260.000.56
20270.260.000.56
20280.260.000.56
20290.260.000.56

Routes In BCR 4

Routes recording Ring-necked Duck in BCR 4.
Chena Hot Spring 2ALASKA82015
KuskulanaALASKA82023
DeltaALASKA62024
Birch LakeALASKA52001
MaclarenALASKA52016
Hatcher PassALASKA52013
PetersvilleALASKA52017
Nabesna RoadALASKA51997
SourdoughALASKA42024
Mccarthy Rd2ALASKA42022
MonahanALASKA32003
SlanaALASKA22022
NorthwayALASKA22002
Swan Lake RdALASKA22006
Lake LouiseALASKA21997
Kanuti LakeALASKA22022
CircleALASKA11992
ToklatALASKA12019
Kenny LakeALASKA12011
Burma RoadALASKA12009
Donelly DomeALASKA12022
Kanuti CanynALASKA12017

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