Rex.

17 pictures of Scarborough's dogs showing off their best puppy dog eyes

A recent scientific study has found that dogs evolved to have muscles around their eyes in order to make expressions that appeal to humans.

The study says such "puppy eyes" helped domesticated dogs to bond with humans. We asked our readers to send in photos of their dogs giving them puppy dog eyes - here's a round up of some of the best.

Tobie Gizmo wants attention, or breakfast.

5. Tobie Gizmo

Tobie Gizmo wants attention, or breakfast.
Lianne Sweeney
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Cherry has a duck friend and wants you to know.

6. Cherry

Cherry has a duck friend and wants you to know.
Marc Johnson
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Elsa has been practising these puppy dog eyes for a while.

7. Elsa

Elsa has been practising these puppy dog eyes for a while.
Loopyloo Kay
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"Is its playtime?"

8. Dexter

"Is its playtime?"
Moyah-leigh Brown
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