Discovered by Charles Darwin in the thick, gloomy forests of southern-central Chile, Darwin’s frog (Rhinoderma darwinii) possesses a distinctive appearance and an unusual biology (2) (3). The head of this species has a triangular appearance due to the presence of a pronounced, fleshy proboscis that projects from the tip of the snout. The colouration of the warty upperparts is variable, with individuals exhibiting various shades of brown, green or a mixture of the two. By contrast the underparts are invariably black and white with large blotches (2). The male Darwin’s frog ...