2 more mergansers aren't in the genus, Mergus:
Hooded (Lophodytes cucullatus) and the Smew (Mergellus albellus)

0 1

This fancy gentleman is a smew. He's a duck, and more specifically, a merganser. But instead of being in the Mergus genus, he's all by himself in the diminutive genus, Mergellus.

3 8

Looking at what I think is a really weird color morph of a common merganser at park. Blackhead with mostly white body... thoughts?

0 0

Female common merganser.

0 0

New artwork for sale! - "Mergansers at Barnegat Light New Jersey" - https://t.co/eiIbqquvK8

7 9

Four sets of eggs of ducks in the Tomkinson Collection - Smew, Goldeneye, Common Merganser (or Goosander) and Pochard all collected in the early 1900s and showing how collectors displayed duck eggs with the down from the nest

10 37

common merganser

quak

54 184

New artwork for sale! - "Hooded Merganser 9219" - https://t.co/nlkUXvUfnN

0 0

Mother Merganser and Young on the Move https://t.co/Jcr0z0joDi Common Merganser Bird Photography

2 3

Mother Merganser and Young on the Move https://t.co/Jcr0z01NeI Common Merganser Bird Photography

4 4

Mother Merganser and Young on the Move https://t.co/Jcr0z0joDi Common Merganser Bird Photography

1 3