英文關鍵字
aegithalos
animal
background
ball
bird
birds
birdseed
blue
bluetit
branch
british
caeruleus
caudatus
cyanistes
eating
eurasian
europaeus
fat
feed
feeder
feeding
garden
group
hedge
long
millet
nature
ornithology
parus
passerine
peanut
seed
seeds
small
songbird
tailed
tit
titmouse
tits
twig
urban
white
wild
wildlife
wing
winter
wood
woodland
yellow