fish duck
Noun A large, crested, fish-eating diving duck characterized by a slender, hooked bill with serrated edges. This term refers specifically to a type of waterfowl adapted for catching and consuming fish.
The term "fish duck" is a common name used to describe certain species of diving ducks, most notably the mergansers. It is used to identify these birds based on their primary diet and distinctive physical features. * The fish duck dove beneath the surface of the lake in search of its prey. * We spotted a pair of fish ducks with their distinctive crests and slender bills.
- The term is often used in ornithology and birdwatching contexts as a descriptive, non-scientific name.
- It can be used attributively to describe related characteristics (e.g., "fish duck population," "fish duck habitat").
- Merganser (n): The formal taxonomic genus name () for the group of ducks commonly called "fish ducks." This is the more precise scientific term.
- Sawbill (n): Another common name for these ducks, derived from the serrated edges of their bill which help grip slippery fish.
- Goosander (n): A common name for the Common Merganser (), a specific type of fish duck.
- Red-breasted Merganser (n): A specific species () of fish duck.
- Merganser
- Sawbill
"Fish duck" is a compound noun that functions as a single lexical unit to name a specific type of bird. Its meaning is directly tied to the combination of its parts: a duck that primarily eats fish. The term highlights the bird's ecological niche and key identifying feature—its specialized bill for catching fish.
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large crested fish-eating diving duck having a slender hooked bill with serrated edges
