| They have a wicked bearded collie called Dudley who I spent a lot of time winding up! |
| Today, he pulls the leashes of a Border collie and a yellow Lab, both overweight and panting hard. |
| A black collie ran back towards her, her fur ruffled in the wind, tongue lolling out. |
| The serious work is being done by a sprightly black-and-white Border collie named Jessie. |
| That changed when they got Jessie, a Border collie and black Labrador mix, who has since accompanied Field to work every day for five years. |
| They are about the size of a medium collie dog, but their tail is round and bushy and is carried straight out below the level of their back. |
