The term IBIS RELATIVE refers to two species of birds that are closely related to the Ibis. The first is the STORK, which is a large wading bird with long legs and a long neck. The second is the HERON, which is a long-legged wading bird with a long neck and a sharp bill. Both the STORK and the HERON are found in many parts of the world, and both are known for their graceful flight and their ability to catch fish.