It Spawns Chickens, they sometimes make chicken noises.
It Spawns sheep, they sometimes go baaahhh.
Oh, and they're fluffy.
It Spawns Cows.
Sometimes they moo, sometimes they just MOOOve
It Spawns Breez. Careful, or they'll blow you away.
It Spawns cave spiders and they have 8 legs and red eyes
It Spawns Magma cubes they are like slimes but red and hot like lava.
It Spawns spiders.
They have 8 legs and red eyes they like cave spiders just not in a cave... or poisonous.
It Spawns Blazes you get rods from them
It Spawns Creepers, they go boom.
It Spawns Enderman they drop pearls and teleport
It Spawns Iron golems, those big loveable oafs.
It Spawns Slimes you get balls from them.
It Spawns Skeletons.
You get bones from them.
It Spawns Witches they cackle and throw potions
It spawns Zombies. They won't eat your brains but it hurts.
It spawns evokers.
Watch out for the vexes.
It spawns Pillagers, watch out or they'll fill you with arrows.
Spawns the tell-tale Shulker mobs.
If you thought it spawned Shulker boxes, that's on you.