femoral glands of <i>Mantidactylus opiparis</i> (Mantellidae, subgenus Chonomantis); picture fron Ranomafana National Park
<a href="//commons.wikimedia.org/wiki/User:AxelStrauss" title="User:AxelStrauss">Axel Strauß</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>