Despite the toucan's large size (a third of the length of the bird) and considerable strength, the toucan beak comprises only one-twentieth the bird's mass. While the large strong beak is useful in foraging, defense, and attracting mates, its low density is essential for the toucan to retain its ability to fly. Although it appears to be a liability, the large beak helps the toco toucan grasp fruit, insects, eggs, and small birds. The toco toucan adjusts blood flow to the beak to regulate its body temperature through controlled heat loss, so the bird does not overheat in its tropical habitat.
I think that toucans will have smaller beaks with the same abilities and probably be better. With the special abilities that a toucan has, I think it can also change its environment to a hotter place than the tropical rainforest.
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