Penguin fight | Patagonia: Earth’s Secret Paradise
In the largest penguin colony in South America, Magellanic penguins must fight for burrowing rights. This means violence is common and the results are often bloody.
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![](https://era.org.uk/app/uploads/2022/12/Natural-World-2015-2016-Attenboroughs-Big-Birds-Rhea-war-dance-400x230.jpg)
Rhea war dance | Natural World
Male rheas fight to win a harem of females.
![](https://era.org.uk/app/uploads/2022/12/Australia-Earths-Magical-Kingdom-Series-1-Land-Cockatoos-400x230.jpg)
Cockatoos | Australia: Earth's Magical Kingdom
A parrot finds a tree hollow to lay her eggs in, the hollow is dry and out of reach from predators. The cockatoos also want to use the hollow for nesting and fight the parrot.