Touch your dog's paws gently to see how cold they feel, and watch for blisters or a blue-grey color. Related: Winter Paw Protection Tips The tip of a dog's nose will often become discolored with ...

This makes the Dudley nose easy to distinguish from the so-called "snow nose" which is a temporary discoloration of a dog's nose that happens during the winter. Also known as "winter nose," a snow ...