boatbill
  蒼鷺的一種
  Boat·bill n. Zool.
  1. A wading bird (Cancroma cochlearia) of the tropical parts of South America. Its bill is somewhat like a boat with the keel uppermost.
  2. A perching bird of India, of the genus Eurylaimus.
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  boatbill
       n : tropical American heron related to night herons [syn: boat-billed
           heron, broadbill, Cochlearius cochlearius]