Animals by biomes they spawn in

Cold Biomes
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 * Cold Bog: Andrewsarchus, Castoroides, Daeodon, Elasmotherium, Enhydriodon, Gomphotaria, Megaloceros, Megalochelys, Palaeeudyptes, Short-faced Bear, Smilodon, Uintatherium, Woolly Mammoth
 * Boreal Forest: Andrewsarchus, Aurochs, Castoroides, Daeodon, Doedicurus, Elasmotherium, Enhydriodon, Gigantopithecus, Megaloceros, Megalochelys, Palaeeudyptes, Paraceratherium, Platybelodon, Short-faced Bear, Smilodon, Uintatherium, Woolly Mammoth, Zygolophodon
 * Tundra: Castoroides, Daeodon, Doedicurus, Elasmotherium, Gigantopithecus, Gomphotaria, Megaloceros, Palaeeudyptes, Paraceratherium, Short-faced Bear, Smilodon, Woolly Mammoth
 * Ice Sheet: Elasmotherium, Gomphotaria, Palaeeudyptes, Woolly Mammoth
 * Sea Ice: Gomphotaria, Palaeeudyptes

Temperate Biomes
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 * Temperate Swamp: Andrewsarchus, Arthropleura, Aurochs, Castoroides, Chalicotherium, Daeodon, Deinotherium, Doedicurus, Elasmotherium, Enhydriodon, Josephoartigasia, Megaloceros, Megalochelys, Meganeura, Pulmonoscorpius, Purussaurus, Quinkana, Short-faced Bear, Smilodon, Uintatherium, Woolly Mammoth, Zygolophodon
 * Temperate Forest: Andrewsarchus, Arthropleura, Aurochs, Castoroides, Chalicotherium, Daeodon, Deinotherium, Dinopithecus, Dinornis, Doedicurus, Elasmotherium, Enhydriodon, Gigantopithecus, Josephoartigasia, Macrauchenia, Megalania, Megaloceros, Megalochelys, Meganeura, Paraceratherium, Platybelodon, Procoptodon, Pulmonoscorpius, Quinkana, Short-faced Bear, Smilodon, Titanis, Uintatherium, Woolly Mammoth, Zygolophodon
 * Tropical Swamp: Arthropleura, Daeodon, Gigantopithecus, Josephoartigasia, Macrauchenia, Meganeura, Purussaurus, Titanis, Titanoboa
 * Tropical Rainforest: Arthropleura, Daeodon, Josephoartigasia, Macrauchenia, Meganeura, Paraceratherium, Platybelodon, Purussaurus, Titanis, Titanoboa

Arid Biomes
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 * Arid Shrubland: Andrewsarchus, Arthropleura, Aurochs, Chalicotherium, Daeodon, Deinotherium, Dinocrocuta, Dinopithecus, Dinornis, Diprotodon, Doedicurus, Gigantophis, Macrauchenia, Megalochelys, Paraceratherium, Procoptodon, Pulmonoscorpius, Quinkana, Short-faced Bear, Sivatherium, Smilodon, Titanis, Uintatherium
 * Desert: Daeodon, Dinocrocuta, Diprotodon, Doedicurus, Gigantophis, Megalania, Paraceratherium, Procoptodon, Pulmonoscorpius, Quinkana
 * Extreme Desert: Diprotodon, Doedicurus, Gigantophis, Megalania, Procoptodon, Pulmonoscorpius, Quinkana