英文關鍵字
swallow
wildlife
bird
nature
feather
barn
beautiful
family
environment
migration
black
birdwatching
swift
birds
plumage
wings
field
nest
animal
white
young
outdoor
beak
wild
sitting
feeding
rustica
summer
animals
hirundo
objects
juvenile
land
lovely
greenland
fly
flight
oriental
wetland
singer
martin
zoology
wing
head
green
paddy
eye
birding