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 anal beak cloacum cloaca cloacal kiss cloacal region cloacae cloacal cloacal gland cloacal respiratory tree
cloaca
WikipediaEntity
Cloaca