Diversity of parental strategies in glassfrogs (Image 7)

This species of glassfrog (Hyalinobatrachium colymbiphyllum) has a completely transparent belly, making its red heart and--for pregnant females--eggs visible. [Image 7 of 15 related images. See Image 8.] More about this ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video