Appearance
Like other toucans, the Emerald Toucanet is brightly marked and has a large bill. The adult is 30–35 centimetres long and weight can range from 118–230 grams 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 distance. The legs are dull greyish and the iris is dark.Juveniles are duller, incl. the throat, and, depending on subspecies, the black areas of the bill are replaced with dusky or the bill is entirely yellowish.
Behavior
The Emerald Toucanet is a generally common in humid forest and woodland, mainly at higher elevations. The 3–4 white eggs are laid in an unlined hole in a tree, usually an old woodpecker nest, but sometimes a natural cavity. Both sexes incubate the eggs for 14–15 days, and the chicks remain in the nest after hatching. They are blind and naked at birth, and have short bills and specialised pads on their heels to protect them from the rough floor of the nest. They are fed by both parents, and fledge after about 6 weeks. They are fed for several weeks after leaving the nest.Small flocks, usually consisting of 5–10 birds, move through the forest in "follow-my-leader" style with a direct and rapid flight. This species is primarily an arboreal fruit-eater, but will also take insects, lizards, bird eggs, and other small prey.
The calls of the Emerald Toucanet are a loud dry ''rrip rrip rrip rrip rrip'' and a ''graval graval graval''. It has been suggested that the two different calls are given by the two sexes. There are also croaking alarm and aggression calls.
Habitat
The Emerald Toucanet is a generally common in humid forest and woodland, mainly at higher elevations. The 3–4 white eggs are laid in an unlined hole in a tree, usually an old woodpecker nest, but sometimes a natural cavity. Both sexes incubate the eggs for 14–15 days, and the chicks remain in the nest after hatching. They are blind and naked at birth, and have short bills and specialised pads on their heels to protect them from the rough floor of the nest. They are fed by both parents, and fledge after about 6 weeks. They are fed for several weeks after leaving the nest.Small flocks, usually consisting of 5–10 birds, move through the forest in "follow-my-leader" style with a direct and rapid flight. This species is primarily an arboreal fruit-eater, but will also take insects, lizards, bird eggs, and other small prey.
The calls of the Emerald Toucanet are a loud dry ''rrip rrip rrip rrip rrip'' and a ''graval graval graval''. It has been suggested that the two different calls are given by the two sexes. There are also croaking alarm and aggression calls.
Cultural
The Emerald Toucanet is a popular pet toucan. It is affectionate when hand-fed and loves to play and interact with its owner. Emerald Toucanets are as quick to learn tricks as cockatoos. They are active and need a large cage for their size, including perches that they can hop back and forth on. They also require a high-fruit diet, without which they are susceptible to a disease of excessive iron storage that is similar to hemochromatosis in humans.References:
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