英文關鍵字
two
ducks
male
female
swimming
river
life
wild
birds
people
wildlife
pond
park
nature
natural
lake
duck
water
bird
animal
beautiful
waterfowl
ornithology
mallard
cute
white
green
domestic
feather
brown
drake
swim
beauty
avian
spring
head
family
anas
animals
mallards
freshwater
flying
platyrhynchos
wetland
feathers
beak
flight
outdoor
weather
autumn
colorful
birdwatching