| 释义 |
Definition of black duck in US English: black ducknoun A duck with black plumage, especially the American black duck (Anas rubripes) of northeastern North America. Example sentencesExamples - Under low and swiftly moving clouds, the choppy sound was slate gray, a good background for spotting waterfowl, but all we had were mallards and black ducks.
- Some species of waterfowl in the Bay have declined significantly - especially redhead ducks, which have declined by 96 percent, and black ducks, which have declined by 67 percent.
- The ponds also attract black ducks, canvasbacks, American wigeons, lesser and greater scaups, green- and blue-winged teal, cinnamon teal, and herons.
- Mallards and black ducks also dive for pond snails and probably a range of aquatic insects like dragonfly nymphs.
- At the end of the morning, we stood on a bank at the nature sanctuary overlooking a glassy cove with a distant raft of big black ducks.
Definition of black duck in US English: black ducknoun A duck with black plumage, especially the American black duck (Anas rubripes) of northeastern North America. Example sentencesExamples - At the end of the morning, we stood on a bank at the nature sanctuary overlooking a glassy cove with a distant raft of big black ducks.
- Under low and swiftly moving clouds, the choppy sound was slate gray, a good background for spotting waterfowl, but all we had were mallards and black ducks.
- Some species of waterfowl in the Bay have declined significantly - especially redhead ducks, which have declined by 96 percent, and black ducks, which have declined by 67 percent.
- Mallards and black ducks also dive for pond snails and probably a range of aquatic insects like dragonfly nymphs.
- The ponds also attract black ducks, canvasbacks, American wigeons, lesser and greater scaups, green- and blue-winged teal, cinnamon teal, and herons.
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