英文關鍵字
animal
background
beak
beautiful
beauty
bird
branch
carduelis
chloris
cold
color
environment
europe
european
feeder
female
field
fight
finch
flora
fly
forest
garden
green
greenfinch
light
male
natural
nature
ornithology
outdoors
park
plumage
singing
sitting
sky
spring
tree
wild
wildlife
wing
winter
yellow