英文關鍵字
animal
appearance
avian
background
beak
beautiful
beauty
bird
black
blue
brown
bulbul
cable
close
closeup
color
domestic
electric
electrical
equipment
exotic
feather
isolated
life
lines
looking
natural
nature
one
ornithology
perch
perched
sky
summer
tail
technology
urban
white
wild
wildlife
wing
wire
yellow