英文關鍵字
animal
avian
beak
birdcage
birds
birdwatcher
birdwatching
branch
environment
fauna
feather
flight
fly
hunting
insects
lake
landscape
migrating
migration
morning
nature
nest
ornithology
outdoors
perch
pond
rare
reed
reeds
river
riverside
season
singing
sky
songs
species
spring
summer
sunrise
sunset
warbler
water
wet
wild
wilderness
wildlife
wing