英文關鍵字
animal
aquatic
atra
beak
bird
black
blue
common
coot
duckling
eating
eurasian
fauna
feather
feed
floating
footage
fulica
habitat
lake
life
mirror
nature
ornithology
pond
pretty
reflection
ripples
river
seaweed
single
summer
swim
swimming
water
waterfowl
waves
wet
wild
wildlife
zoology