‘‘Southern Resident’’ killer whales include three ‘‘pods’’ (J, K and L) that reside primarily in Puget Sound/Georgia Basin during the

‘‘Southern Resident” killer whales (Orcinus orca) that comprise three fish-eating ‘‘pods” (J, K and L) were listed as ‘‘endangered” in

Seasonal feeding behavior and high fidelity to feeding areas allow humpback whales (Megaptera novaeangliae) to be used as biological indicators