 When the raven brought back the news that Coronis had been unfaithful to him, Apollo scorched the raven in his fury, turning the animal's feathers black.That's why all ravens are black today.According to Livy, the Roman general Marcus Valerius Corvus (c. 370-270 BC) had a raven settle on his helmet during a combat with a gigantic Gaul, which distracted the enemy's attention by flying in his face.