‘Wonderchicken’ fossil from the age of dinosaurs
![](https://natalieparletta.com.au/wp-content/uploads/2020/03/20019_evolution_of_birds-791x1024.jpg)
Palaeontologists have found the oldest fossil of a modern bird from 66.7 million years ago, before the last mass extinction at the end of the Cretaceous period that wiped out the dinosaurs.
Published by Cosmos.