proctodeum portion of cloacaGo to external page http://purl.obolibrary.org/obo/UBERON_0012462
Most distal cloacal compartment; function is copulation and in some species develops a penis[Kardong] [ https://www.worldcat.org/search?q=bn%3A0073040584 ]
proctodeal wall of cloaca
For most birds this is where the phallus is located, but male parrots do not have a phallus. The Bursa of Fabricius is located here.