Red-breasted Merganser, plate by John James Audubon
Audubon, Birds of America, plate 401
Water & shore birds

Red-breasted Merganser

Mergus serrator
“Harlequin Ducks (Two Lights and Fort Williams, Common Eiders, at least one King Eider (Dyer Point), Black and White-winged Scoters (Crescent Beach), Pintails (Ferry Beach), Red-breasted Mergansers, Red-necked Grebes, and numerous Common Loons.”
March 14, 2018 · Read the column
11columns
Mar 14, 2018first mention
Nov 26, 2025last mention

Through the year

Columns that mention it, by the month they were published.

Year by year

Columns that mention it each year.

In his words

Ten of the 11 passages, oldest first.

Mar 14, 2018

Harlequin Ducks (Two Lights and Fort Williams, Common Eiders, at least one King Eider (Dyer Point), Black and White-winged Scoters (Crescent Beach), Pintails (Ferry Beach), Red-breasted Mergansers, Red-necked Grebes, and numerous Common Loons.

Feb 17, 2021

…a Herring Gull pilfering a Common Eiders hard earned meal (a mussel), two diving Horned Grebes, nine Black Scoters, six Surf Scoters, one male Long-tailed Duck, three Common Loons, one Red-breasted Merganser and one adult Bald Eagle that flew rather low along the length of the beach.

Apr 7, 2021

Winter residents like Buffleheads, Scoters and Red-breasted Mergansers are now starting to depart for breeding grounds far north and west of here.

Nov 24, 2021

As for new arrivals, on November 7 from Trundy Point’s undeveloped rocky headland I noted White-winged Scoters, Red-breasted Mergansers, Long-tailed Ducks, a single Black Guillemot and a lone Razorbill.

Feb 2, 2022

Also, just offshore were significant numbers of foraging Black Scoters and Common Eiders, several Red-breasted Mergansers (merganser in Latin roughly translates to “plunging goose”) and a pair of Common Goldeneye ducks.

Mar 9, 2022

In the last days of February off of Dyer Point, Trundy Point, Pond Cove and Fort Williams I saw the following - Common Loons, Common Eiders, Harlequin Ducks, Long-tailed Ducks, Common Goldeneyes, Black and Surf Scoters and Red-breasted Mergansers.

Dec 21, 2022

Later that same day I spotted nine Harlequin Ducks off Trundy Point along with Black Scoters, Long-tailed Ducks, Red-breasted Mergansers and two Black Guillemots.

Feb 7, 2023

Along our travels we spotted nine species of sea ducks including all three scoter species: Harlequin, Common Goldeneye and Long-tailed Ducks as well as Red-breasted Mergansers and Buffleheads.

Feb 21, 2024

Seconds later two separate pairs of Red-breasted Mergansers flew by at close range; the lanky, somewhat disheveled look of the male in flight is a sight to see.

Feb 19, 2025

Additional observations include: on February 9 a Hermit Thrush in Kettle Cove and along Crescent Beach State Park, eight Long-tailed Ducks, six Buffleheads, four Red-breasted Mergansers and two Lesser Scaup ducks.

Show all 11 passages
Nov 26, 2025

…on the chilly morning of November 16 I spotted two female Hooded Mergansers in the Pond Brook Corridor flashing their warm cinnamon crests and on November 15 along Trundy and Dyer Points, several flocks of diving Harlequin Ducks, three Red-breasted Mergansers and a solo Black Guillemot.