英文關鍵字
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1920x1080
america
animal
animals
avian
beak
bird
birds
blue
branch
caerulea
canada
canadian
conservation
environment
environmental
feather
gnatcatcher
gnatcatchers
gray
living
nature
north
ontario
organism
ornithology
outdoors
outside
park
passeriformes
passerine
perched
perching
polioptila
songbird
sylviidae
watching
wild
wildlife
wing