F/10.0, 1/1600, ISO 800. 

Common Merganser

What’s the secret to telling a good postman joke?

It’s all in the delivery

Interesting Fact: Males chase each other during communal courtship displays, sometimes bumping or striking each other. Females sometimes lay their eggs in other ducks’ nests, including other Common Mergansers as well as Hooded Mergansers or Common Goldeneyes.  ( https://www.allaboutbirds.org/guide/Common_Merganser/lifehistory )