New research reveals that the first dinosaurs laid soft-shelled eggs. The discovery shifts beliefs that dinosaurs only laid hard-shelled eggs. According to researchers, the structure of the eggs evolved about three times during the Mesozoic Era, explaining the previous theory.
News this week revealed a frightening new addition to the fossil record—a “Terror Bird” species known more scientifically as Llallawavis scagliai (aka Scaglia’s Magnificent Bird). But in spite of its massive size and terrifying stance, this top-tier predatory may not have been the most well-adapted hunter that it could be… That is, unless it was hunting in packs.
Think that we’ve found just about every prehistoric species that there is to find? You’d be terrifyingly wrong if you said yes. In fact, adding a new view on the diversity of some unlikely large predators that predate humans, a new fossil this week revealed another species of South American “terror birds” known as Llallawavis scagliai.