英文關鍵字
active
anas
anatidae
anatinae
animal
anseriformes
aquatic
avian
beautiful
beauty
behaviour
biology
bird
brahminy
bright
casarca
closeup
cold
creature
distinctive
duck
environment
fauna
feathers
ferruginea
game
gooselike
head
migratory
motion
nature
neck
ornithology
outdoor
park
people
pied
red
reservoir
rutila
striking
surkhab
tadorna
tadorninae
three
water
waterbird
waterfowl
wet
wild
wildfowl
wildlife
zoology