Alaska’s fin whale reports concentrate in the productive waters off Kodiak National Wildlife Refuge, with smaller clusters near Kenai Fjords National Park, Katmai National Park, and out along the North Slope’s Arctic coast. Alaska sits close behind California and Massachusetts for the densest fin whale records anywhere in the country, tracking the cold, prey-rich water the species follows rather than any single coastline.
At 85 to 89 feet long, a fin whale trails only the blue whale as the largest animal alive, and the waters around Kodiak and Kenai Fjords give it plenty to eat. It lunges through swarms of krill and dense schools of herring and capelin, engulfing huge mouthfuls of water and straining prey through its baleen. The pale-and-dark asymmetry on its lower jaw is the surest way to confirm an identification when the animal surfaces.
Records climb through spring and peak in May, then taper off through the rest of the year, a pattern that likely reflects when observers and whale-watching boats are out searching more than any real shift in whale activity. A fin whale following cold water probably stays present through Alaska’s quieter months too.
Full species profile
