lesser scaup duck

Thân thiện

A lesser scaup duck dives for food in a calm lake.

Definition

Noun: * A species of diving duck (Aythya affinis) native to North America. It is a smaller relative of the greater scaup and is characterized by the male's distinctive purplish-black, iridescent head.

Usage

The term "lesser scaup duck" is used to specifically identify this particular species of waterfowl, often in birdwatching, ornithology, and ecological contexts. It names the animal itself. * The pond was a wintering ground for hundreds of lesser scaup ducks. * Birders can distinguish the lesser scaup duck from the greater scaup by its head shape and wing stripe.

Advanced Usage

• The term is often shortened to "lesser scaup" in both common and scientific usage.
  • A flock of lesser scaup dove for mollusks in the bay.

Variants and Related Words

• Lesser scaup (n): The standard abbreviated name for the species.
• Scaup (n): The general common name for ducks of the genus , which includes both the lesser and greater scaup.
• Bluebill (n): A colloquial or regional name for scaup ducks, referring to their bluish-gray bill.

Synonyms

• Lesser scaup
• Little bluebill (regional)

Different Meanings

• The word "lesser" in this compound name is a fixed part of the species' common name and denotes it is the smaller of the two closely related scaup species (the other being the "greater scaup"). It does not imply a value judgment.

Học thuật

Noun

1. common scaup of North America; males have purplish heads

Từ đồng nghĩa

• lesser scaup
• lake duck
• Aythya affinis