From Alex Bowman, Glasgow, UK
“Rethinking dinosaurs’ decline” looks at their state prior to an asteroid strike that is thought to have wiped them out. But is it possible that, even after this event, dinosaurs made a slow population recovery? Could small, burrowing, rodent-like mammals, our ancient ancestors, scavenging for whatever they could eat – rotten flesh, plant roots and dinosaur eggs – have finally doomed them to extinction? Even today on remote islands, rats from ships can wipe out ground-roosting birds(19 April, p 15).
