The leg bones of Crossvallia waiparensis suggest it was more than five feet tall and weighed up to 176 pounds
Last week, the world was introduced to “Squawkzilla,” a hulking ancient parrot that made its home in New Zealand some 19 million years ago. Now, the country’s roster of extinct bulky birds—which includes the massive moa and the huge Haast’s eagle—has grown even larger, with the discovery of a Paleocene-era penguin that stood as tall as a human.