dog kennel
afraid
alone
animal
animal shelter
anxious
apprehensive
behavior
breed
cage
canine
captive
captivity
confined
dog
ears
eye contact
fearful
frightened
homeless
isolated
isolation
kennel
lonely
look
looking
looking at camera
mixed breed
mutt
nervous
pet
pet adoption
pets
pit bull
rescue
sad
scared
shelter dog
shy
skittish
stare
staring
stray
terrier
timid
unhappy
upright ears
upset
worried