He was loping at the edge of the Presidio Golf Course when he caught a familiar smell on the breeze. At first he thought it was prey, but he had no interest in prey, having eaten a rather large hare not half an hour before.
She was maybe half a mile away as humans measure distance, but he could hear her and the other one very clearly.
However, it was her scent that attracted him. Not prey but something else, but not wolf, so not safe. Human, so not safe. But then why did he want to get closer?