When we think of dangerous dogs we tend to think about breeds. The bigger more threatening dogs like Dobermans and German Shepherds, or the famously mean pooches like Pitbulls, or even the aggressively perilous little pups like Pugs, Chihuahuas and Terriers.

However, looks, fierceness, and breeds are not always the case.

Instead of looking at a type of dog that you may feel is dangerous you might want to consider other factors like training and if a pooch appears uncommonly erratic.

In other words, not all dog breeds are created equal. You can have a truly sweet and gentle natured Pitbull and, believe it or not, a rather nasty-tempered Collie if the circumstances are right.

After the break take a look at five surprising factors that can make a dog dangerous. These warning sign just might surprise you!

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