The Great Blue Heron is a very large bird, the largest of all Heron in North America. They build large platform nests high in trees. Mother & Baby Blue Heron. Below are some baby photos (shared via Flickr) of the Great Blue Heron. They can range in length from 38 to 54 inches. From shop CausticThreads. Set includes mother and her baby. It looks much like a Snowy when it is young, but molts to a dark slate-blue plumage as an adult. Despite its different last name, the Little Blue Heron is probably a close relative of the Snowy Egret. Mother & Two Babies Blue Heron. Generally wary and hard to approach. They will also use nesting platforms. Mounting block is not included. Handcrafted from pvc, painted and sealed for durability. Order Here. A heronry may have anywhere from five to 500 breeding pairs. Nests in colonies, sometimes of this species alone; in large mixed heronries, Little Blues tend to nest along the edges. Great Blue Herons typically nest in colonies, called heronries. Great Blue Heron Facts and Information Ardea herodias Introduction to Great Blue Heron. Set includes mother and two baby Herons. Great Blue Heron Baby Bodysuit, Crane Onepiece Bodysuit, Bird Lover, Water Birds, Hand Printed, New baby Gift, Short Sleeved Baby Onepiece CausticThreads. Feet are pre-drilled and mounting screws are included. Their wing span can range from 66 to 79 inches wide. Mother Heron is approximately 23" inches high.