英文關鍵字
animal
asia
aves
avian
background
beak
beautiful
bird
branch
brown
close
each
eat
environmental
eurasian
eye
fauna
feather
feathers
feed
feeding
food
for
garden
grain
grains
hungry
looking
maya
montanus
mouth
nature
nobody
ornithology
other
passer
pecking
perch
perching
philippine
plumage
protection
rice
seeds
small
songbird
sparrow
sparrows
tree
twigs
two
wild
wildlife
wing
yard