英文關鍵字
africa
african
beak
bill
bird
dendrocynia
duck
ducks
egyptian
ethiopia
faced
feather
geese
goose
island
lake
nature
ornithology
plumage
pond
sleep
sleeps
tail
three
two
viduata
water
while
whistling
white
whitefaced
wild
wildlife
wing
woo
ziway