FIGURE 6. Ven t in A new species of harlequin frog (Bufonidae: Atelopus) with an unusual behavior from Andes of Colombia

FIGURE 6. Ven t ral color pattern variation of male Atelopus nocturnus sp. nov. Left to right: MHUA 2472 (SVL = 25.0 mm), MHUA 5281 (SVL = 22.5 mm), MHUA 5282 (SVL = 24.1 mm), MHUA 5283 (SVL = 20.1 mm), MHUA 5284 (SVL = 23.4 mm), MHUA 5286 (SVL = 24.2 mm). Photograph by M. Rivera-Correa.