Pteroglossus bitorquatus

The species has three subspecies: Pteroglossus bitorquatus and Red-necked aracari.

The red-necked Tufted Toucan is the noisiest of the forest birds, producing loud rumbles, trumpets, and screeches. Its nest is built in a hole high in a tree. When eating, always peck the food with the tip of the mouth first, then tilt the neck, throw the food upward, and then open the big mouth to accurately put the food into the throat, without having to go through the long mouth and spend time in the process of "swallowing". The red-necked Tufted Toucan is omnivorous and feeds on fruits, seeds and insects.

The red-necked Tufted Toucan nests in tree cavities and sometimes preys on the nests of young birds, eating eggs and chicks. - Lay 2 to 4 eggs. Smooth white eggs are piled in unlined holes and hatch in about 16 days. The hatchlings are completely naked, take at least three weeks to open their eyes, and begin to live their lives about 45 days after hatching.

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The species is found in South America (Colombia, Venezuela, Guyana, Suriname, Ecuador, Peru, Bolivia, Paraguay, Brazil, Chile, Argentina, Uruguay, and the Malvinas Islands (also known as the Falkland Islands).
The red-necked Tufted Toucan inhabits warm forests and marginal areas, preferring treetops.

The red-necked tufted toucan looks a little like a hornbill. The upper body is brown-black, the waist is dark red, and the head is usually maroon. The lower body is mainly yellow, with multiple black or red markings, forming a large chest spot. The long beak appears in two hues, black and yellow. The margin of the beak is usually clearly serrated, black or ivory in appearance, and looks somewhat like a tooth. The beak of the red-necked Tufted Toucan, despite its size, weighs less than 30 grams. The structure of the mouth bone is very special, it is not a dense entity, the outside is a layer of crust, through the middle of extremely fine fibers, porous spongy tissue, filled with air, so that it does not feel heavy pressure.
Tufted toucan is one of the few species of toucan with distinct sexual differences; At four weeks of age, chicks can be sexed by their plumage.