any of several sea birds of the genera Fratercula and Lunda of northern regions,characteristically having black and white plumage and a vertically flattened,triangular bill that is brightly colored during breeding season

• 任一种海鹦属和花魁鸟属海鸟，有黑白相间的羽毛以及在繁殖期色彩鲜艳的垂直扁平的三角形嘴