Can you figure out the savanna mystery?

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Cella Wright |

TED-Ed

• August 2025

In the early 2000s, one of the world’s most widespread invasive species landed in Kenya’s Laikipia Plateau: big-headed ants. They expanded rapidly into super-colonies, preying on other insects, spiders, and even small birds. Their presence has wreaked havoc on the ecosystem and significantly changed the landscape. So, how did these tiny creatures have such a huge impact? Cella Wright investigates. [Directed by Steve West, Lazy Chief, narrated by Addison Anderson, music by George Rodriguez].