SEATTLE — Photographer Matt McDonald had lived on Puget Sound for years, but had never seen a whale, so he was elated when he spotted a giant marine mammal just off Seattle's waterfront one evening.

PORT TOWNSEND, Wash. — A new, first-of-its-kind infrared thermal camera that will help monitor whale movements is up and running near Port Townsend. Launched by nonprofit Quiet Sound, this technology ...