英文關鍵字
animal
animals
avian
beak
bird
birds
birdwatching
black
brown
chick
chloropus
common
fauna
feather
gallinula
grass
green
habitat
hen
lake
marsh
moorhen
natural
nature
ornithology
park
plumage
pond
swamp
water
waterfowl
wetland
wild
wildlife
yellow
young