Birds, reptiles, amphibians and egg-laying mammals share a common feature, which is what?
Cloacae Cloacal kiss Anal beak Cloaca Cloacal Cloacal respiratory tree Cloacal gland Cloacal region Cloacal respiration Cloacum
cloacal respiration cloacae cloacal gland cloacal cloacal respiratory tree cloacal kiss cloacum cloacal region anal beak cloaca
cloaca
WikipediaEntity
Cloaca