英文關鍵字
bird
blackbird
fence
flying
beak
twig
feathers
offspring
branch
birch
tree
park
yard
spring
nest
garden
sunny
fly
feed
feathered
ornithology
courtyard
thrush
sunlight
leaves
summer
winged
black
wildlife
tail
small
nature
birdlife
outdoor
watching
rural
species
wooden
top
post
young
eat
male
female