Dogs are naturally vigilant protectors. They will defend their household from any threat, be it a robber, the mailman, squirrels or even their own shadows. Watch the above video compilation of dogs -- from pugs to German shepherds -- bravely facing off against their own umbra.
And to all the haughty "cat people" thinking your feline companions would never be this foolish: You might want to check out our previous compilation before making any bold proclamations. Yeah, that’s what we thought.
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