aggression
animal
attack
bite
breed
canine
capture
competition
courage
defence
defense
deutscher
dog
dog training
domestic
evil
exercise
guard
guarddog
jaws
lesson
mammal
obedience
outdoor
outdoors
pedigree
pedigreed
pet
protect
protection
purebred
season
security
shepard
shepherd
sleeve
special
summer
swiss
training
white
work
workout
young