adorable
adult
aggressive
angry
animal
attention
background
beautiful
beauty
bite
breed
brown
coat
cynology
defense
domestic
friend
friendly
german shepherd
guard
guard dog
hairy
helper
leash
mammal
meadow
military
mouth
nature
outdoor
outdoors
park
paws
police dog
pretty
protect
protection
purebred
purebred dog
security guard
service
sheepdog
shepherd
smart
trainer
training
working dog
young