Puppy Showing White Of Eye. When a dog feels frightened or threatened, his eyes widen, exposing the white parts of his eyes (the sclera). Vision is an important part of our lives, yet the ability to see is something that many people take for granted. Examine the white of the eye by gently pulling up the upper eyelid and looking for redness. The lens in both dog eyes and human eyes acts like a camera lens, . This is a warning signal and is often accompanied by hard . This is a playful gesture that shows he is being a clown.
This is a playful gesture that shows he is being a clown.
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