scaup-duck

A scaup-duck dives underwater to catch a small fish.

Definition

1. Noun:
   • A type of diving duck: "scaup-duck" refers to any of several diving ducks of the genus Aythya, especially the greater scaup (Aythya marila) and the lesser scaup (Aythya affinis), found in northern regions and known for their broad, flattened bills.

Usage Examples

• (A diving duck of the genus .)
• (Researchers focus on this specific type of duck.)

Advanced Usage

• "scaup-duck habitat": The natural environment where scaup-ducks live, typically freshwater lakes or coastal areas.

  • Conservation efforts aim to protect the scaup-duck habitat from pollution. (The places where these ducks breed and feed.)

• "scaup-duck population": The number of scaup-ducks in a given area or globally.

  • The scaup-duck population has declined in recent decades due to habitat loss. (The total count of these ducks.)

Variants and Related Words

• Scaup (n): a shortened form of "scaup-duck," referring to the same bird.

  • We spotted a flock of scaup on the lake. (A group of these ducks.)

• Greater scaup (n): a specific species (Aythya marila) of scaup-duck with a larger size and a rounded head.

  • The greater scaup winters along the coasts of Europe and North America. (A distinct type of scaup-duck.)

• Lesser scaup (n): a smaller species (Aythya affinis) of scaup-duck with a peaked head.

  • The lesser scaup is more common in inland lakes during migration. (Another type of scaup-duck.)

Synonyms

• Diving duck: any duck that dives underwater to feed, including the scaup-duck.
• Bay duck: a common name for scaup-ducks because they frequent coastal bays.

Related Idioms

• Like a scaup-duck on a calm sea: an informal expression meaning to be calm or unruffled.
  • Despite the chaos, she remained like a scaup-duck on a calm sea. (She stayed composed and undisturbed.)