英文關鍵字
animal
avian
beak
beautiful
beauty
beige
bill
birch
bird
birdwatching
blue
branch
brown
cold
colorful
cute
environment
eurasian
europe
european
eye
feather
feeder
fir
forest
garrulus
glandarius
head
icy
jay
natural
nature
ornithology
outdoor
perching
season
sitting
snow
stump
tree
watching
white
wild
wildlife
wing
winter
wood
woodland
zoology