英文關鍵字
amazing
animal
autumn
avian
background
beak
beautiful
begging
biology
bird
black
branch
brown
chick
city
close
closeup
color
environment
eurasian
family
fauna
feather
feeding
garden
grey
life
nature
ornithology
outdoors
passer
passerine
scandinavia
season
sitting
small
songbird
sparrow
spring
tree
watching
white
wild
wildlife
wing