英文關鍵字
animal
bathe
beak
bird
birdie
birding
birds
bouse
brown
city
common
community
cute
domesticus
dynamics
environment
fall
fauna
feather
feeding
flock
garden
german
grey
herbage
house
human
isolated
leafy
male
natural
nature
ordinary
ornithology
outdoor
park
passer
regular
songbird
sparrow
sparrows
sponger
square
stroll
urban
water
white
wild
wildlife