A young male Pyrenean mastiff guarding the property boundary, Utah, USA.

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Size: 3000px × 3000px
Photo credit: © James McLaughlin / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: alert, animal, boundary, breed, canine, companion, concentration, confidence, defiance, dog, eyes, fierce, focus, giant, great, guard, guardian, guarding, humor, humorous, intent, large, mastiff, occupation, pet, post, prevention, private, property, protect, protective, puppy, pyrenean, pyrenees, resolute, security, sign, stare, suspicion, suspicious, threat, trespass, warning