英文關鍵字
action
america
american
anada
animal
anser
aquatic
baldpate
bean
bird
black
blue
brown
canada
circling
color
dawn
day
duck
europe
european
fabalis
fauna
flight
flock
flying
formation
gadwall
geese
germany
goose
group
horizontal
hunting
image
mallard
migration
motion
nature
niagara
nobody
north
outdoor
silhouette
sky
soaring
teamwork
water
waterfalls
waterfowl
white
wigeon
wild
wildlife
wings