英文關鍵字
animals
barn
beak
beauty
bird
birdwatching
branch
break
chirping
close
closeup
couple
courtship
fauna
feather
flower
happiness
happy
head
hirundo
love
mood
mountains
natural
nature
ornithological
ornithologist
ornithology
out
outdoors
outside
purity
rocky
rural
rustica
singing
small
song
songbird
spring
springtime
summer
swallow
tree
voice
wild
wildlife
wing
wood