英文關鍵字
amazing
animal
autumn
away
background
beautiful
beauty
bird
birdwatching
crane
elegant
environment
fauna
feather
flap
flight
fly
graceful
gray
grey
head
heron
lake
large
long
marsh
moving
natural
nature
neck
ornithology
outdoor
pond
portrait
profile
river
summer
swamp
video
view
water
waterbird
wetland
wild
wilderness
wildlife
wings