BirdAnalyst
Species · BCR 5 · BBS 2025 Release · 1966–2024

Red-breasted Merganser In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestWaterfowl

Red-breasted Merganser in Northern Pacific Rainforest has fallen sharply: down 53% on the route-weighted index since 1991.

-53%Since 1991
9Routes In Region
15Years

Notable Signals

long arc declinecomputed index

Red-breasted Merganser has fallen sharply in Northern Pacific Rainforest: down 53% on the route-weighted index since 1991.

Routes In Northern Pacific Rainforest

Routes recording Red-breasted Merganser in Northern Pacific Rainforest.
HainesALASKA62008
KetchikanALASKA22009
CordovaALASKA21996
Thompson PasALASKA22002
Harlequin L.ALASKA22005
HyderALASKA21995
SewardALASKA11983
Thorne BayALASKA12012
Mitkof IsleALASKA12013

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