| pouch brooding marsupial frogs transfer nutrients to developing embryos. | marsupial frogs have a unique reproductive mode in which females carry eggs enclosed in a sealed dorsal brood pouch. while most anurans are considered to be oviparous with lecithotrophic eggs, the extensively vascularized membrane of the brood pouch in marsupial frogs suggests potential opportunities for nutrient transfer. we tested for matrotrophy in the live-bearing gastrotheca excubitor (hemiphractidae), through feeding insects labelled with a13c-fatty acid and a15n-amino acid to brooding mar ... | 2016 | 28120810 |