Sex-specific ventral dichromatism and melanization in harlequin toads (Atelopus): a common but overlooked character of unknown function
Amadeus Plewnia,
Stefan Lötters,
Samuel Gomides
et al.
Abstract:Hidden colors are a widespread phenomenon in the animal kingdom, particularly in anurans. In some cases, hidden colors are suddenly exposed during defensive displays to startle predators, others seemingly remain hidden—particularly from researchers. Amazonian species of Neotropical harlequin toads (genus Atelopus) show striking and consistent ventral sexual dichromatism where females show and males generally lack melanization. Inspired by these observations we undertook a deeper inquiry across this species-ric… Show more
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