英文關鍵字
avian
baltic
bird
birding
birdwatching
blue
clangula
display
duck
early
estonian
european
feather
hyemalis
long
migrant
nature
northern
oldsquaw
ornithology
restless
sea
spring
swimming
tailed
water
waterfowl
wildlife
winter
英文關鍵字
avian
baltic
bird
birding
birdwatching
blue
clangula
display
duck
early
estonian
european
feather
hyemalis
long
migrant
nature
northern
oldsquaw
ornithology
restless
sea
spring
swimming
tailed
water
waterfowl
wildlife
winter