The goal here is to move each animal to the symbol of the Greek god it's associated with. Read to the end of this hint for the right arrangement.
Hint 3
You should have a book on "Greek Gods" in your inventory; if not, go ask Niobe about mythology, and she'll give it to you.
Hint 4
Now read through the descriptions, looking for the animals and symbols of the different gods. Some will be obvious --
Hint 5
-- like Hera, who is associated with both cows and peacock feathers --
Hint 6
-- and some will be obscure, like the dolphin, which goes not to Poseidon (who isn't represented here) but Apollo, who once turned into a dolphin. Fine, whatever.
Hint 7
Here's a halfway hint: the seven gods you're looking for are --
Hint 8
-- Aphrodite, Apollo, Ares, Artemis, Athena, Hera, and Zeus. But not in that order.
Hint 9
Here's the final layout, in case you're sick of the whole thing: