Great Blue Heron (Ardea herodias) is a large wading bird common near the shores of open water and wetlands. Native to most of North and Central America, West Indies, Galápagos Islands. Largest North American heron. Grows 36 to 55in (91-140cm) and 4.4 to 8 lbs (2-3.6kg). Coal Oil Point Preserve (Pacific Ocean), Santa Barbara, CA.