In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Q: The Equirria was a festival celebrating this deity, and this deity's sacred bird is the woodpecker. One sacrifice made to this god is called the suovetaurilia. This god's mother gave birth to him alone, with a flower from Flora, and one of his festivals is in October, which marks the end of farming. This god's shield, the Ancile, fell from the heaven upon Numa Pompilius. He fathered Remus and Romulus after seducing Rhea Silvia. For 10 points, identify this Roman deity, the guardian of agriculture and god of war.
A:
Social Science