IT has been stated that the Müllerian ducts of frogs and toads open into the cloaca comparatively late in life, generally when the female becomes sexually mature1,6. It is not recorded whether ...

Some frogs even have specialized sperm delivery organs that allow them to insert the sperm directly into the female’s cloaca. Sorry if that’s a bit graphic. This means that fertilization could happen ...

These legless baby amphibians feed on their mother's skin Young caecilians stay within their mother’s coils and feed on her mucus-coated skin, alongside secretions from her cloaca ...

The cloaca is an all-purpose opening on the body of many animals – including lizards, turtles and birds – that is used for mating, laying eggs, urinating and defecating.