Mob Variants Backport

Warm Variants

Spawns in: desert, savanna, savanna plateau, windswept savanna, badlands, eroded badlands, wooded badlands, warm ocean, lukewarm ocean, deep lukewarm ocean, jungle, sparse jungle, and bamboo jungle.

Cold Variants

Spawns in: snowy plains, ice spikes, snowy taiga, snowy slopes, frozen peaks, jagged peaks, frozen river, snowy beach, grove, frozen ocean, and deep frozen ocean.

Temperate Variants

Spawn in all other biomes