英文關鍵字
animal
animals
background
beak
beautiful
bird
birding
birds
birdwatching
brown
clip
close
colorful
creature
cute
europe
fauna
feather
footage
grebe
grebes
green
lake
lakes
little
movie
natural
nature
ornithology
outdoor
pond
ponds
river
ruficollis
small
summer
swimming
tachybaptus
water
waterbird
wild
wildlife
wing