114 How songbirds island-hopped their way from Australia to colonise the world
Using genetic and fossil data, we have reconstructed the evolutionary “family tree” for songbirds. The songbirds that are common in gardens all across the world have a surprisingly distant origin. They all evolved from a common ancestor that emerged from what is now Australia around 24m years ago. How they managed to leave this isolated part of the world and spread all over the planet has long been a mystery […]