Dancing dragons | Life
As part of their courtship, sea dragons perform a graceful dance.
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![](https://era.org.uk/app/uploads/2022/06/Lost-Land-of-the-Volcano-Episode-2-Competitive-mating-displays-400x230.png)
Competitive mating displays | Lost Land of the Volcano
Gordon watches on from the canopy as two Raggiannas perform their majestic mating displays, and manage to secure a mate.
![](https://era.org.uk/app/uploads/2022/01/Planet-Earth-II-Langurs-free-running-in-the-city-BBC-One-400x230.jpg)
Langurs free-running in the city | Planet Earth II
An alpha male langur takes part in a high speed chase across city rooftops to defend his females from marauding younger males.