The term 'Hawk Relative' refers to three birds of prey: the EAGLE, ERNE, and OSPREY. The EAGLE is a large bird of prey with a wingspan of up to 8 feet, and is found in many parts of the world. The ERNE is a large sea EAGLE found in Europe, Asia, and Africa, and has a wingspan of up to 6 feet. The OSPREY is a medium-sized bird of prey found in many parts of the world, and has a wingspan of up to 5 feet. All three of these birds are related to hawks, and share many of the same characteristics.