Great Blue Heron, Great Blue Herons, Blue Heron, Blue Herons, Ardea herodias, bird, birds, wading bird, wading birds, fauna, wildlife, wetland, wetlands, marsh, marshes, lake, lakes, pond, ponds, water, hunt, hunting, fishing, wade, wading, predator, predators, North America, Kitchin, Hurst, British Columbia, Canada, Pacific Northwest, behavior, behaviour, heron, herons, Horizontal