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BBC News: Ancient American bird was glider – BBC News article; How the dinosaur bird took to the skies – Daily Telegraph article; Secret of flight for world's largest bird revealed – COSMOS magazine article; Argentavis, the largest flying bird, was a master glider – Article from the blog Not Exactly Rocket Science
During the early Cenozoic, after the extinction of the non-bird dinosaurs, mammals underwent an evolutionary diversification, and some bird groups around the world developed a tendency towards gigantism; this included the Gastornithidae, the Dromornithidae, the Palaeognathae, and the Phorusrhacidae. [36]
The researchers said it sheds new light on what the region looked like millions of years ago and the food chain there. Scientists think the region was humid and full of rivers and other water bodies.
One of the largest of prehistoric otariids is Thalassoleon, comparable in size to the biggest extant fur seals. An estimated weight of T. mexicanus is no less than 295–318 kg (650–701 lb). [156] The biggest known mustelid to ever exist was likely the giant otter, Enhydriodon. It exceeded 3 m (9.8 ft) in length, and would have weighed in at ...
Analyzing a leg bone from a fossil site in Colombia, scientists have identified a massive “terror bird” that lived about 12 million years ago.
The common ostrich is the largest living bird Aepyornis maximus, one of the largest birds ever. The largest extant species of bird measured by mass is the common ostrich (Struthio camelus), closely followed by the Somali ostrich (Struthio molybdophanes). A male ostrich can reach a height of 2.8 metres (9.2 feet) and weigh over 156.8 kg (346 lb ...
Teratornithidae is an extinct family of very large birds of prey that lived in North and South America from the Late Oligocene to Late Pleistocene. They include some of the largest known flying birds. Its members are known as teratorns.
The event is considered the largest and longest known marine heat wave, with temperatures rising by 2.5 to 3 degrees Celsius (4.5 to 5.4 degrees Fahrenheit) above normal levels, said Brie Drummond ...