Fánzhíqī de xūfú'ōu yǒu yī tiáo míngxiǎn de báisè zīwén.
In breeding plumage, whiskered terns show a distinct white whisker-stripe.
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Name breaks down perfectly: 须 'whisker' + 浮 'floating (over marshes)' + 鸥 'gull/tern' — 'marsh-skimming whiskered tern'. The white cheek below the black cap really does look like a whisker.
