Augustus erected a temple to this god as "Avenger."
The Black Woodpecker was sacred to this god, who is mentioned alongside a group of deities in the Arval Hymn. A sheep, pig, and goat were sacrificed to this god in the Suovetaurilia, and the 24th day of his month was the date of the festival of the king's flight. A horse was sacrificed to this god on the 15th of October and its head fought over while its tail was hung in the Regia, which also housed a set of sacred (*) spears dedicated to this god. Augustus erected a temple to this god as "Avenger." The "leaping" priests or Salii of this god danced with the ancilla shields. This god was identified with Liber and paired with Venus at the Lectisternum. For ten points, name this member of the Capitoline Triad along with Jupiter and Quirinus, worshipped by the Flamen Martialis and identified with the Greek Ares.
The Black Woodpecker was sacred to this god, who is mentioned alongside a group of deities in the Arval Hymn.
{Mars} [prompt very grudgingly on {"Ares"} because in hindsight it's a bit mean to make people play "guess which name for these often-syncretized gods we want!"]