The whio has rubbery soft flaps on the end of its bill to help scrape its food off the surfaces of rocks. Look closely, and you’ll also see the sieve-like structures inside the bill. It uses these to sieve larvae and insects.
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The whio has rubbery soft flaps on the end of its bill to help scrape its food off the surfaces of rocks. Look closely, and you’ll also see the sieve-like structures inside the bill. It uses these to sieve larvae and insects.
