Waimanu is a genus of early Penguin which lived soon after the Cretaceous-Paleogene extinction event. Its discovery helped support the idea that the radiation of the Neoaves (including most modern birds) either took place before the extinction of the dinosaurs, or that it must have been extremely rapid in geological terms. DNA-studies, for example the extensive one by Hackett and colleagues, seem to indicate the latter. While it was a very early member of the sphenisciformes (the order that inc… (More on Waimanu)