Last Updated on February 16, 2023 by Mitch Rezman Factoid – beaks are an evolutionary concession to drop weight which is why birds don’t have jaws & teeth. Finches use their beaks like tweezers for extracting seeds. Parrots use their hookbill beaks to crack open nuts and hard-skinned fruit. Woodpeckers, well they just are capable … Continue reading The Ultimate List of 13 Bird Beak and Foot Structures