[Tweeters] Birds identify good nuts by listening to them

Devorah the Ornithologist birdologist at gmail.com
Tue May 26 12:20:06 PDT 2015

hello everyone,

you might be interested to learn how birds can identify good seeds and nuts
without first opening their shells to inspect the contents. a recently
published study found that wild Mexican jays can identify which seeds and
nuts are the most nutritious by weighing them in their beaks and by rapidly
clicking their beaks on the shells and listening to the sound created:


happy birding,

Devorah Bennu, PhD
birdologist at gmail.com
*sunt lacrimae rerum et mentem mortalia tangunt. *[Virgil, Aeneid]
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