英文關鍵字
airy
animal
attendance
avian
background
beak
beautiful
bird
birdwatching
black
blue
branch
claws
color
colorful
cones
contour
cormorant
crooked
dark
fauna
feather
graceful
grey
natural
nature
orange
ornithology
outdoor
perched
perching
shrike
silence
sitting
sky
small
spring
stillness
transparent
tree
twig
waiting
wild
wildlife
wing