El Pollo Grande slain, with horse for scale
El Pollo Grande <The Black Chicken of Death> is a huge black level 50 chicken summoned by Niby the Almighty in Felwood. It is classified as a beast and is not tameable. It has no loot.
Niby summons this ferocious fowl when you turn in the quest 
[55] Kroshius' Infernal Core.
Notes
- El Pollo Grande is a Spanish name for "The Big Chicken", and is possibly inspired from the terrible Demon Chicken, El Pollo Diablo, from Curse of Monkey Island.