Accurate Mob Drops

Chicken - 8000 feathers
Cow - 144 steaks, 36 leather
Donkey - 36 leather
Horse - 63
Mule - 43
Squid / Glow squid - 1 ink sac
Mooshroom - 144 steaks, 36 leather, 3 mushrooms
Parrot - 2000-3000 feathers
Pig - 124 porks
Rabbit - 4 feet, 1 hide always
Sheep - 58 mutton
Skeleton Horse - 205 bones
Spider / Cave Spider - 8 eyes
Zombie/Drowned/Husk/Zombie Villager - 114 rotten flesh, zombie head if applicable
Iron golem - 4 iron blocks
Llama/Trader Llama - 39 leather
Zombified Piglin - 114 rotten flesh
Blaze - 12 rods
Bogged/Skeleton/Stray - 206-213 bones, skeleton head if applicable
Piglin - Piglin head
Dragon - Dragon head
Creeper - Creeper head
Slime - 1 slime ball (for the small ones)
Breeze - 3 rods
Hoglin - 68 leather, 310 pork
Zoglin - 310 rotten flesh
Shulker - 2 shells
Wither Skeleton - 206-213 bones, wither skeleton skull
Vex - Iron Sword
Piglin - Head

All tools and armor are guarenteed to drop