英文關鍵字
small
goldcrest
bird
tree
forest
yellow
nature
europe
songbird
passerine
wildlife
birdwatching
crest
regulus
smallest
wild
animal
woods
plumage
branch
kinglet
beautiful
little
habitat
coniferous
cute
feather
head
tiny
ornithology
search
perched
restless
motion
shrub
outdoors
quick
singer
slow
nobody
singing
single
sits
perching
spring
song
germany
fidgety
european