英文關鍵字
flock
eurasian
siskin
alder
tree
feeding
seeds
common
european
bird
animal
fauna
spinus
branch
yellow
winter
nature
fruits
garden
wild
small
beautiful
cones
dry
black
europe
alnus
glutinosa
green
outdoor
outdoors
forest
songbird
birding
birdwatching
wildlife
ornithology