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Why does a toucan possess a long and large beak?

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The beak of the toco toucan – the largest member of the toucan family – accounts for about one-third of the bird's body length, which is larger than the beak of any ... read more

Generally, strange features in birds evolve because the females think they are attractive, thus mate with males who have them. It’s all about the girls! read more

For example, the toco toucan (Ramphastos toco), the largest toucan, has a 25-inch long body. The toco's beak measures an additional 7.5 inches. Researchers first thought the toucan's beak was only important for attracting mates, but new research indicates the construction of the beak enables the toucan to fly and to reach food and maintain body temperature. read more

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