About Selenidera gouldii (Natterer, 1837)
Gould's toucanet, Selenidera gouldii, reaches approximately 33 cm (13 in) in total length. Males weigh between 138 and 209 g (4.9 to 7.4 oz), while females weigh between 131 and 183 g (4.6 to 6.5 oz). Males and females share the same bill color pattern, though the female's bill is shorter than the male's. The bill's maxilla has a narrow white base, a black middle section, an orange-yellow outer third, and ivory-colored "teeth" along the cutting tomium edge. The inner half of the mandible is ivory, with a thin black area between this inner half and the orange-yellow color of the outer end. Both sexes have bare green-yellow to blue skin surrounding the eye, plus a golden-yellow tuft of feathers behind the eye; both the bare skin and feather tuft are paler in females than in males. Adult males have black feathers on the head, nape, chin, throat, and belly. Their upperparts are green, with a yellow band on the lower neck. Their tail is green, with chestnut-colored tips on the central one to three pairs of tail feathers. Males have yellow flanks and red undertail coverts. Females have chestnut-colored feathers in all areas that are black on males, plus yellower flanks and a narrower yellow band on the back. Immature Gould's toucanets are duller in overall coloration than adults, usually lack the yellow band on the back, and do not have a sharply defined bill pattern. Gould's toucanet is distributed in central and eastern Brazil, south of the Amazon River, between the Madeira River and the Atlantic Ocean in the state of Ceará. Its range extends south from this area to as far as eastern Bolivia and the Brazilian state of Mato Grosso. The species lives in a variety of tropical forest types. It is primarily found in wet lowland forest and gallery forest, but also occurs in palm forest, deciduous forest, and secondary forest. It favors tall forest that reaches up to 40 m (130 ft) in height, but grows on sandy soils in areas with shorter trees. In eastern Amazonia, its elevational range reaches as high as 800 m (2,600 ft).
