英文關鍵字
adult
america
animal
avian
background
beak
beautiful
bird
birdseed
black
blackbird
canada
colorful
colour
day
eating
environment
eye
fauna
feathers
feed
feeding
focus
hand
image
male
nature
non
north
ornithology
outdoors
outside
park
perched
plumage
red
redwing
resting
scene
seeds
single
song
spring
standing
tame
urban
wild
wildlife
wing
winged