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Toucans (/ ˈ t uː k æ n /, UK: /-k ə n /) are Neotropical birds in the family Ramphastidae. The Ramphastidae are most closely related to the Toucan barbets. They are brightly marked and have large, often colorful bills. The family includes five genera and over 40 different species. Toucans are arboreal and typically lay two to four white ...
The toucan beak has a network of superficial blood vessels that support the rhamphotheca, the horny sheath of the bill. [7] The toucan is able to dilate or enlarge the beak's blood vessels when temperatures rise above a thermal neutral zone to allow for blood to pass readily into the beak, allowing for heat exchange and cooling.
Mexico to Venezuela LC Unknown [17]. Stripe-billed aracari. P. sanguineus [j] Gould, 1854: Western Colombia and northwestern Ecuador LC Unknown [18]. Pale-mandibled aracari
Keel-billed toucans have zygodactyl feet (or feet with toes 2 and 3 facing forwards, and toes 1 and 4 facing backwards) – two toes face forward and two face back. Because toucans spend a large portion of time in the trees, this helps the birds to stay on the branches of the trees and jump from one branch to another.
The phylogenetic relationships among toucans have been the subject of ongoing debate and research; in the past, the eight toucan species were classified into different subfamilies based on their bill size and shape. However, recent molecular studies have suggested that toucans are more closely related to aracaris and toucanets than previously ...
In captivity it is the most frequently bred member of the toucan family and is the most popular as a tame hand-fed pet. It requires a large cage and toys to prevent boredom due to its active nature, and a high-fruit diet. When all these requirements are met it is an affectionate companion for many years. [citation needed]
Andigena, the mountain toucans, is a genus of birds in the family Ramphastidae. They are found in humid highland forests in the Andes of South America, ranging from Bolivia to Venezuela. These medium-sized toucans all have olive-brown upperparts, a black crown, yellow rump, blue-grey underparts and a red vent.
Plate-billed Mountain-Toucans have a large laterally compressed bill, the front half of which is black and the back half is mostly red with a raised yellow plate on the upper mandible, a unique feature for which the bird was named. They have a reddish brown iris and a bare ocular area that is yellow below and turquoise green above.
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