Usage of "diving duck"

Any of various ducks of especially bays and estuaries that dive for their food.

No examples available for any of the synonyms

Usage of diving duck in English

It is a merganser and looks like a small, white diving duck with a crested head. 
 The new yorker 

Irene went down into the water as cleanly and smoothly as if she had been a diving duck. 
 John Gayther's Garden and the Stories Told Therein 

Dexter the Diving Duck had come through and saved the day. 
 Dearly Devoted Dexter 

Diving ducks frequent the larger, deeper lakes and rivers, and coastal bays and inlets. 
 Ducks at a Distance: A Waterfowl Identification Guide 

Do you mean to say you've never seen Luna Park, or Dreamland, or Steeplechase, or the diving ducks? 
 The Man with Two Left Feet, and Other Stories 

And I hear the English are making ships that will dive the same as diving ducks under the water. 
 The Kiltartan History Book 

We provide evidence of nuclear sequences homologous to the mtDNA control region in seven species of diving ducks (tribe Aythyini). 
 Pubmed 

Meanings of diving duck in English