'Missing link' penguin fossil shows how they evolved after dinosaurs went extinct CNNAncient penguin species found on Chatham Islands helping bridge gap in knowledge RNZWhen penguins ruled after dinosaurs died Phys.orgGiant penguins gave up flight and started swimming 66 MILLION years ago Daily MailGiant penguin species, cousin to the 'monster penguin', discovered at over one metre tall Stuff.co.nzView full coverage on Google News