Toucans are known for their distinct and colourful bill, which was originally theorized by Charles Darwin to exist as a way for toucans to attract potential mates. However, recent studies have since found that the bill actually helps to keep the toucan cool during the heat of the day, allowing the bird to either release or conserve heat through the bill and thus better adjust to the atmosphere around them. Toucans can be fairly noisy and are wholly integral to the ecology of the Guyana rainforest. Their large bills disperse the seeds of berries they have devoured, encouraging pollination and growth of greenery throughout wherever they land. To this day, eight species of toucans have been recorded in Guyana.
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