alertness
animal
arizona
avian
balance
beak
behavior
behaviour
bird
brush
canyon
carnivore
closeup
clutch
clutching
dead tree
desert
feathers
great
great horned owl
horizontal
horned
large
natural
nature
ornithology
outdoor
owl
pattern
perching
predator
profile
raptor
ruffled
sky
snag
sonoran
southwest
spread
spreading
tail
tail feathers
talon
talons
tree
tucson
wildlife
wind
windy
wings