Guard dogs

HolyCross17NovMangyDog...
© Infrogmation
CC BY 3.0

PERRO.jpg
© Michelangelo-36
CC BY 2.5

Dog1.jpg
© Tamara
Attribution

Mixed-breed guard dog b..
© BrokenSphere
CC BY-SA 3.0

Selvanegrasecuritydog.JPG
© Serenityweb1
CC BY 3.0

CarrolltonMailboxDogs.jpg
© Infrogmation of New ..
CC BY-SA 3.0

Bundesarchiv Bild 183-0..
© Kümpfel
CC BY-SA 3.0 de

Grrr.... - geograph.org..
© Graham Horn
CC BY-SA 2.0

Ballyfatten Barley Fiel..
© Jimmy Mullen
CC BY-SA 2.0

Office space to let or ..
© Mick Lobb
CC BY-SA 2.0

Beware of the poseur - ..
© michael ely
CC BY-SA 2.0

Guard dogs at work - ge..
© Evelyn Simak
CC BY-SA 2.0

Guard Dog - geograph.or..
© Peter Trimming
CC BY-SA 2.0

Territorial dog in Serr..
© Miguel Pires da Rosa..
CC BY-SA 2.0

Watchdog I.jpg
© Rjcastillo
CC BY-SA 3.0

Watchdog II.JPG
© Rjcastillo
CC BY-SA 3.0

Wachhund 2013-06-05 19-..
© User:Tiefsee
CC BY-SA 3.0