Puppy dog eyes' have evolved to appeal to humans | CNN
Dogs know exactly what they're doing when they give puppy eyes
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Dogs may have evolved 'puppy dog eyes' to communicate with humans
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How canines capture your heart: scientists explain puppy dog eyes | Animal behaviour | The Guardian
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Be warned. Research says puppy dog eyes are more powerful than we ever – Drool by Dr. Chris Brown
Dogs use 'puppy eyes' on purpose, study finds
Dogs may have evolved 'puppy dog eyes' to communicate with humans
The reason we can't resist puppy dog eyes explained - BBC News
Puppy dog eyes′ developed to manipulate humans | News | DW | 18.06.2019
EarthSky | The science behind puppy dog eyes
Dogs Know When to Turn on the Puppy Dog Eyes
Those puppy dog eyes you can't resist? They're just doing their job
When Do Puppies Open Their Eyes? | Daily Paws
Why Dogs Do Puppy Dog Eyes: Dogs Deliberately Pull 'Puppy Dog Eyes' To Get Our Attention
Dogs use the "puppy-eyes" to manipulate you into giving them affection and attention and it works
Dogs evolved 'puppy dog eyes' to help them get on with humans, study finds | The Independent | The Independent
