英文關鍵字
animal
animals
avian
background
beautiful
bird
birds
birdwatching
branch
brown
colorful
cute
eurasian
forest
insectivore
insectivorous
life
montanus
natural
nature
ornithology
passer
passerine
perching
sitting
small
songbird
sparrow
tree
warbler
watchful
watching
wild
wildlife
wing
wood
woodland
yellow