TriangleTooth's Ecology Mod
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Re-balances Morrowind's ecology, changing animal behaviour, adding new prey animals based in lore, and simulating predator-prey relationships between animals.
The author has removed the OpenMW-specific plugin (it relied on OpenMW engine bugs that have been fixed), but the base mod is still fully compatible with OpenMW.
Ttooth Ecology.esp Ttooth Ecology - TR Patch.ESP Ttooth Ecology - Fish Addon Anthology.ESP Ttooth Ecology - BMR Patch.ESP