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Genus Aulacorhynchus
Emerald Toucanet - Like other toucans, the Emerald Toucanet is brightly marked and has a large bill. The adult is 30–35 cm long and weighs approximately 180 g. The sexes are alike in appearance, although the female generally is smaller and slightly shorter-billed. It is, as other members of the genus Aulacorhynchus, mainly green. The vent and tail-tip are rufous. The bill is black with yellow to the upper mandible and, in all except the nominate and wagleri groups , a white band at the base of the bill. The members of the caeruleogularis group have a rufous patch near the base of the upper mandible, while some members of the albivitta group have a rufous patch near the base of the lower mandible. The throat is white in the nominate and the wagleri group, blue in the caeruleogularis and cognatus group, pale grey-blue in the lautus group, blue or black in the atrogularis group, and white or grey-blue in the albivitta group. The eye-ring ranges from blue to red, in some subspecies very dark, almost appearing blackish from a d
Groove-billed Toucanet - It has a total length ca. 35 cm . It is, as other members of the genus Aulacorhynchus, mainly green. The throat is white and the ocular skin is blue. The bill is black with maroon markings, but the maroon is replaced by yellow in A. s. calorhynchus. This distinctive subspecies, which is found in the western part of the species' range, is sometimes considered a separate species, the Yellow-billed Toucanet , but it is vocally similar to the other subspecies and hybrids are known from the region where it comes into contact with A. s. sulcatus.