Download Library A series of photos of a Great blue Heron perched in a tree in Oaks Bottom Wildlife Refuge. You can see Herons in Oaks Bottom all year round. The great blue heron is a majestic bird that is found throughout North America. It is a large wading bird, with a wingspan of up to six feet, and a height of up to four feet. Its long neck and long legs make it a distinctive sight in wetlands, marshes, and other areas near water….