英文關鍵字
1920
alert
animal
attentive
background
beak
bird
branch
brown
bubo
creature
cut
eyes
feather
film
great
horned
indoors
isolated
looking
lore
nature
obedient
one
ornithology
owl
people
pet
plumage
portrait
predator
pupils
science
shot
species
standing
studio
themes
vertebrate
veterinary
video
virginianus
white
wild
wildlife
wing
wood