Male orcas blow as they surface to take a breath, tall dorsal fins visible

male orcas killer whale orca blackfish aquatic wildlife grampus top predators canada orcinus orca vancouver island blow surface take a breath tall dorsal fins oceanic dolphin fin toothed whale marine life marine distinct wildlife swim whale black and white marine enironment orcinus delphinidae cetacea animal ocean sea swimming nature outdoors aquatic mammal mammalia mammal wild sexual dimorphism coast coastal odontocetes predator iconic species top of food chain pacific coast