In the swamp:
4 goblins, 7 ears (fifth goblin eaten by sinspawn, no ears)
In the village:
3 in the first hut, 6 ears
1 nailed to a door by Rommin's arrow, 1 ear
2 in the guard tower, burned by alchemist bombs, 4 ears
2 by the front gate, slain after charging, 4 ears