Marabou Stork
It looks like this stork has a big pouch and it is hiding something in it. This specie grows up to 1.5 meters high with more than 3 meters wingspan. This has to be one of the biggest birds in the world. The pouch is only present in males. These actually contain air which assists them in calling their colony. These are commonly found grazing the lands of the southern tip of Africa.
