This is because there is so much variability in canine intelligence, even among dogs with similar head shapes. For example, the Border Collie is ranked very highly in working and obedience ...

BORDER COLLIE - 86.7% . ... 'Tollers' have a fox-like head shape and an attractive rich orange or red fur colour, often with white markings on the feet and face.

The internet has fallen head-over-heels for a tiny border collie puppy doing what he does best. Nine-week-old border collie pup Flip was recorded trying his paw at herding sheep and did so expertly.