英文關鍵字
animal
avian
background
beak
beautiful
beauty
biology
bird
birds
branch
brown
color
countryside
cute
day
europe
eursian
fauna
feather
feed
fly
food
garden
grey
nature
norway
outdoors
park
passerine
plant
platane
platanus
plumage
safe
scandinavia
season
single
small
songbird
sparrow
sunny
tree
wild
wildlife
wind
wing