 The females of most species have the black sections in the male replaced by rich brown and a reduced/absent auricular streak, while the female of one species, the Guianan toucanet, has grey underparts and a rufous nuchal collar, and the female of another, the yellow-eared toucanet, resemble the male except for its brown crown and lack of an auricular streak.The calls are low-pitched and croaking.Most species are relatively small toucans with a total length of 30–35 cm (12–14 in), but the yellow-eared toucanet typically has a total length of approx.