An injured kea with just half a beak has used what's left as a weapon that gives him dominance over a captive colony of the birds
Več na: https://www.newscientist.com/article/2523471-parrot-uses-his-broken-beak-to-become-a-dominant-male/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
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