/oss/taxonomy/term/6569/all en /oss/article/did-you-know/peckers-get-smaller-where-it-gets-colder <p>Charles Darwin postulated that Toucan’s massive beaks might be for sexual selection purposes. Other scientists have theorized that it could be for shows of intimidation, for actual defense or for peeling fruit. Given the beak’s serrated edge, it was once thought that toucans used it to catch and eat fish. We now know that toucans are almost entirely fructivorous, although they do opportunistically eat insects, lizards, and even small birds.</p> Fri, 16 Dec 2022 11:00:00 +0000 Ada McVean M.Sc. 9325 at /oss