This otherworldly amphibian has a completely transparent underbelly
The cloud forests of South America are home to some of Earth’s most extraordinary creatures, but few are as intriguing as the glassfrog. Seen from above, most glassfrog species look pretty nondescript, but a glimpse of their underbelly reveals a fascinating anatomical anomaly: translucent abdominal skin. From underneath, a glassfrog’s heart, liver, and various other…
