英文關鍵字
animals
autumn
bird
birds
chick
chicken
cold
duck
environment
fauna
feathered
feathery
fledgling
float
fly
fowl
geese
harsh
lake
life
many
migratory
natural
nature
nestling
opened
outdoor
pond
poultry
public
reservoir
russia
sail
saintpetersburg
scenery
small
snorkel
struggle
swim
swimming
water
wild
wildlife
winter