N a gull, Larus hyperboreus, of northern and arctic regions, with a white head and tail and pale grey back and wings 北极鸥
Larus hyperboreus Glaucous Gull北极鸥
Glaucous-winged Gull灰翅鸥
Glaucous-winged Gull Larus glaucescens灰翅鸥
N（名词） a gull, Larus hyperboreus, of northern and arctic regions, with a white head and tail and pale grey back and wings 北极鸥