Bowing by stretching the forelimbs evolved to become a highly ritualized signal for inviting dogs to play, have fun, or ...

From playful fetch sessions to running around in the yard, these strong dogs show that they can balance work and play. Their fun moments remind us that even the most serious guard dogs need a little ...

For more information on different forms of natural selection see How Will Dogs Reshape Nature Without Humans to Control Them?) 3) Play bows are honest signals, a sign of trust. Even when an ...