英文關鍵字
animal
avian
background
beak
beautiful
big
bird
birds
birdwatching
black
closeup
corvus
crow
crowing
dark
eurasian
europe
european
fauna
feather
feathers
feeding
field
frugilegus
garden
grass
green
meadow
natural
nature
one
ornithology
outdoor
park
portrait
raven
rook
smart
spring
standing
travel
wild
wildlife
wing
wings
wintering