Domestic pigeons reproduce in a similar way to the wild rock pigeon. The island is important breeding ground for the rock pigeon. He believed it was a descendant of the rock pigeon (Columba livia). The island's name derives from the rock pigeon which has colonized it. The rock pigeon has been domesticated for hundreds of years. The rock pigeon is the world's oldest domesticated bird. Introduced species are&colon; rock pigeon ("Columba livia") and house crow ("Corvus splendens"). A rock pigeon that was mutated by the Kraang and has a fondness for sourdough.