Despite their public image as torpid, lumbering creatures, many dinosaurs were evidently warm-blooded, highly active animals, capable of prolonged and strenuous aerobic exercise. In new research, my colleagues and I determined how much energy minibus-sized dinosaurs called Maiasaura used while growing to adulthood. Our results, published in the journal Paleobiology, show Maiasaura was capable of ...
A giant egg the size of a football could belong to a prehistoric mosasaur, and it’s the only egg of its kind. Discovered in 2011 on Seymour Island in Antarctica, the 68 million-year-old egg holds the title of the largest soft-shelled egg and the second-largest egg in the world, measuring 11.4 by 7.9 inches. Chilean ...
If crocodiles scare you already, then evidence of their ancient ancestors walking on two legs is guaranteed to terrify you. In a recent paper published by Scientific Reports, crocodylomorph tracks were discussed. The analysis indicates a large possibility that crocodiles’ ancestors walked on their hind legs much like the T-rex. The large 10-foot-long crocodile relatives ...
A remarkable new species of meat-eating dinosaur has been unveiled at the Natural History Museum of Utah. Paleontologists unearthed the first allosaurus specimen in the early 1990s at Dinosaur National Monument in northeastern Utah. The huge carnivore inhabited the flood plains of western North America during the Late Jurassic Period, between 157 and 152 million ...
A new species of feathered dinosaur has been discovered in China and described by American and Chinese authors in the journal The Anatomical Record. The one-of-a-kind specimen offers a window into what the Earth was like 120 million years ago. The fossil preserves feathers and bones that provide new information about how dinosaurs grew and ...
Researchers have uncovered the first baby dinosaurs from Australia. The bones were discovered at several sites along the south coast of Victoria and near the outback town of Lightning Ridge in New South Wales. Some of the bones are so tiny that they likely come from animals that died while they were still in their ...
Dinosaur footprints found in several European countries, very similar to others in Morocco, suggest that dinosaurs could have been dispersed between the two continents by landmasses separated by a shallow sea more than 145 million years ago. At the end of the Jurassic, as a consequence of the defragmentation of the Pangaea supercontinent, the countries ...
Two fossils, one found more than a century ago and another collected 70 years later, were the clues that enabled a Masters student to identify a new species of prehistoric crocodile. The new species of crocodile has been described from opalized fossils found at Lightning Ridge in NSW, Australia, from a fossil dug up more than ...
Ants. Sure, most are harmless and inconspicuous. Though, there are always exceptions. Army ants, bulldog ants, and fire ants are a few living members of the family Formicidae that nature television viewers might recognize from any number of the World’s Deadliest countdown shows that populate the airwaves these days. However, one of the most fearsome and ...
A new wallaby-sized herbivorous dinosaur has been identified from five fossilized upper jaws in 125 million-year-old rocks from the Cretaceous period of Victoria, southeastern Australia. Reported in the Journal of Paleontology, the new dinosaur is named Galleonosaurus dorisae, and is the first dinosaur named from the Gippsland region of Australia in 16 years. According to Dr. ...
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