英文關鍵字
fly
barn
bird
wildlife
tail
swallow
feeding
hover
plumage
nature
glide
food
fast
farm
family
dive
chicks
birdwatching
beautiful
beak
acrobatic
adult
dart
aerodynamic
amazing
splash
wings
insects
river
ripples
surface
quick
nest
young
lake
pond
swift
blue
wing
background
wild
natural
summer
black
migration
feathers
field