英文關鍵字
1000
altitude
apus
biology
bird
birding
birds
birdwatching
black
camera
common
detail
eating
environment
fast
flap
flight
fly
flying
fps
freedom
gorgeous
high
lake
many
martlet
migrant
migration
motion
nature
one
ornithology
pond
quick
rapid
river
scream
season
slow
south
speed
spreading
summer
super
swift
vivid
water
wild
wings
wingsn