释义 |
mute swannounThe commonest Eurasian swan, having white plumage and an orange-red bill with a black knob at the base.- Cygnus olor, family Anatidae.
Invasives like mute swans and rock pigeons are wreaking ecological havoc throughout the United States and threatening countless native species....- But fly-fishers claim mute swans are stripping these rivers of water crowfoot, an aquatic plant crucial to trout and the insects they eat.
- On a recent walk I saw a kingfisher skim across the surface and a number of mute swans.
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