Do toucans need their giant bills for peeling frui... ...iced that the toucans' bills glowed with radiated heat as warm blood flowed into them. When temperature... ...t some dinosaurs used bony head ornaments to shed heat in the same way, but due to a lack of live subjec...https://www.neatorama.com/2009/07/25/why-toucans-have-giant-bills/
Why Toucans Have Giant Bills...
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