These land animals are tamed by Poseidon.
A commonly-depicted creature in early Athenian vase painting has the foreparts of this animal and the tail and wings of a rooster. The city of Abdera was founded near where the youth Abderus was killed by these animals. Heracles attacks Troy to collect his gift of twelve of these animals promised to him by Laomedon. After Hera gives one of these animals the power of speech, it portends the death of Achilles. As a wedding gift, Peleus receives two of these animals named (*) Balius and Xanthius. These land animals are tamed by Poseidon. Hercules steals four man-eating animals of this kind, and turns them against their original owner Diomedes. For 10 points, name these animals that pull the chariots of Greek gods and heroes.
A commonly-depicted creature in early Athenian vase painting has the foreparts of this animal and the tail and wings of a rooster.
horses [or mares; or steeds; or Equus ferus caballus] 