![](http://www.alamy.com/thumbs/6/D9C9112D-9FE1-4AA5-B33E-AB2F8041ACBD/BP4DDA.jpg)
A former prison service German Shepherd working dog showing aggressive behaviour
Size: 3600px × 5400px
Location: England, United Kingdom, UK
Photo credit: © LEE BEEL / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: aggression, aggressive, alsation, attack, attacking, baring, barking, behavior, behaviour, control, crowd, dangerous, deutscher, dog, german, growl, growling, guard, handler, lead, military, obediance, obediant, obedience, obedient, police, prison, schaferhund, schäferhund, security, service, shepherd, snarl, snarling, teeth, temperament, training, warning