Well now with this resource pack they will fit right in, giving mobs (currently creepers, zombies, pigs, cows, skeletons spiders, chickens, endermen and sheep more will be added over time) custom textures to match the biome they are in now with 2 modes for bedrock, non persistent where the mobs will change as they move biome, and persistent textures where the textures will never change (this mode makes use of an addon), with 24 different biome textures per mob covering all major biome types including the nether and end