Can you see the tracks? Some are dogs that came to inspect the tracks and others are made by our most abundant sea mammal. This mammal swam along the shore, walked up onto the sandy beach on all fours and scraped to make a small scent mound of sand. Its tracks show five toes. That is the best clue I can give except to also say this sea mammal is often mistaken, all along our coast, for yet another sea mammal.
I think you will be both surprised and happy to know this mammal lives in the sea. It is a mammal I know well and one that eats salmon, ling cod, crabs, star fish, sculpins, and many freshwater animals since it also swims up rivers and streams. I do believe it even swims now or at one time in the Whitewater River!