
A Disabled Kea Rewrote the Rules of Dominance With a Beak-Based ‘Joust’
Researchers studying kea in New Zealand found that a bird missing his upper beak became the undefeated alpha male of his group by adapting his lower beak into a striking tool during contests.
- Researchers observed a disabled kea become the undefeated alpha male of his group.
- The bird used his exposed lower beak as a novel jousting tool in contests.


