shot of a black and white dog

advertence alert alertness animal animals attentive australian background beautiful best black border breed buddy canine care cattle companion countryside cute dog doggie doggy domestic eager eyes face fido floppy friend friendship fur half happy heeler herding hound little look looking loyalty mammal man mixed mutt muzzle nature obedience obedient outdoor outdoors outside pedigree pet pooch portrait pup puppy pure ranch reliability rescue respect retriever service sheep shelter shepherd shot showdog small smiling speckled spots tongue training trust watching white working