March of the spider crabs | Blue Planet II
Like all crabs, the spider crabs have to emerge from their shells in order to grow.
TweetSimilar broadcast resources
![](https://era.org.uk/app/uploads/2022/12/Life-in-the-Undergrowth-The-Silk-Spinners-Flying-spiders-400x230.jpg)
Flying spiders | Life in the Undergrowth
David Attenborough looks at gossamer threads made by baby money spiders. The spiderlings use this gossamer to travel by 'ballooning'.
![](https://era.org.uk/app/uploads/2022/12/Elephant-Diaries-Series-1-Episode-1-Big-meeting-400x230.jpg)
Big meeting | Elephant Diaries
Jonathan Scott meets Emily, matriarch of the orphan elephant herd.