Dead female humpback whale (Megaptera novaeangliae) calf encountered in Frederick Sound, Southeast Alaska

dead female humpback whale megaptera novaeangliae fishing entanglement mammal cetacea cetacean rorqual balaenopterid baleen death drowning southeast alaska humpback whale megaptera novaeangliae calf young juvenile frederick sound southeast alaska polypropylene line wrapped trapped pectoral fin caught mouth tongue floating belly up belly up long liner fishing net fishing gear