bluebill

Thân thiện

A bluebill dives beneath the water's surface in a calm lake.

Definition

Noun: 1. A type of diving duck: A medium-sized duck found in North America, characterized by a distinctive bluish-grey bill. It is also commonly known as the "greater scaup" (Aythya marila) or sometimes refers to related scaup species.

Usage Examples

• Noun:
  • We spotted a flock of bluebills on the lake during our birdwatching trip.
  • The male bluebill has a striking black head and a pale blue bill.
  • Hunters sometimes refer to scaup ducks as bluebills.

Advanced Usage

• As a collective noun: The term can be used informally to refer to a group of scaup ducks.
  • A large raft of bluebills floated on the open water.

Variants and Related Words

• Scaup (noun): The more common ornithological name for the duck species also called bluebill.
• Greater Scaup (noun): The full common name for the species .
• Lesser Scaup (noun): A closely related species () with similar appearance, also sometimes called a bluebill.

Synonyms

• Scaup duck
• Broadbill (a regional name used by some hunters)

Học thuật

Noun

1. diving ducks of North America having a bluish-grey bill

Từ đồng nghĩa

• scaup
• scaup duck
• broadbill