A matter of manners
“But the clips above and below, filmed in X-ray and visible light, challenge assertions that canines drink by scooping up fluid with a backward-curled tongue. Instead, dogs pull up a column of liquid and chomp it — just like cats do.
“It only looks like dogs scoop with back of their tongue. They drink the same way as cats, just sloppier,” said evolutionary biologist Alfred Crompton of Harvard University.”
