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Toucan beak colors. To the vibrant green. Despite being large the beak is very light as it is composed of air chambers and keratin. The beak is normally brightly colored too.
The colors on their beaks can vary from species to species. The choco toucan is a large 4345 cm predominantly black bird with a 15 cm long yellow and black beak a yellow bib white uppertail coverts red undertail coverts and green ocular skin. Ranging from yellow and blackwith a hint of red on the toco toucan which we normally associate theses birds.
A toucans tongue is long up to 1415 cm or 6 inches narrow grey and singularly frayed on each side adding to its sensitivity as a tasting organ. The beak allows the bird to reach deep into tree holes to access food unavailable to other birds and also to ransack suspended nests built by smaller birds. The family further has about five genera and a total of 40 species.
Toucans use their beaks for collecting food like fruits. Despite being extremely large toucan beaks are actually very light being composed of a light weight network of bony fibres covered by keratin. They use their beak during mating rituals which include tossing of food.
From their huge beaks to their bright colors the adaptations of toucans provide examples of a number of interesting biological concepts.
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