英文關鍵字
animal
beak
beautiful
bird
birding
bucephala
clangula
common
goldeneye
diving
duck
ducks
drake
environment
fauna
feather
golden
eye
great
lake
habitat
michigan
male
migration
birds
migratory
nature
north
america
ornithology
outdoor
plumage
river
sea
seabird
seaduck
swim
swimming
water
fowl
waterfowl
waves
wild
wildlife
winter
wisconsin