英文關鍵字
yellow
bird
branch
tree
perched
observing
surroundings
plumage
green
leaves
nature
wildlife
avian
feathers
small
colorful
sitting
perching
birdwatching
canopy
walk
birding
species
passerine
bright
chirping
forest
habitat
observation
behavior
watching
ornithology
outdoor
feathered
creature
winged
animal
wild