Dogs are becoming more intelligent and are even learning morals from human contact, scientists claim.They say the fact that dogs' play rarely escalates into a fight shows the animals abide by social rules.
During one study, dogs which held up a paw were rewarded with a food treat.
When a lone dog was asked to raise its paw but received no treat, the researchers found it begged for up to 30 minutes.
But when they tested two dogs together but rewarded only one, the dog which missed out soon stopped playing the game.
Dr Friederike Range, of the University of Vienna, who led the study, said: 'Dogs show a strong aversion to inequity. I would prefer not to call it a sense of fairness, but others might.'
The first Canine Science Forum in Budapest was attended by more than 200 experts to discuss what is going on inside the mind of a dog.
Human's inclination to invest dogs with human-like states of mind isn't as unscientific as it might appear as they really do have some remarkable mental skills that allow them to thrive in their strange habitat - our world.
Domestic dogs evolved from grey wolves as recently as 10,000 years ago since when their brains have shrunk so a wolf-sized dog has a brain around 10 per cent smaller than its wild ancestor.
Wheeled Tortoise Gets Around
A ten-year-old tortoise with paralyzed hind legs has been fitted with wheels at the Jerusalem Biblical Zoo—and her "love life" is picking up speed.
© 2008 National Geographic (AP)
Morals
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