Extinct Era on Instagram: "Comment “Coast” to get the link to our Prehistoric Newsletter and join for free. Tyrannosaurus rex was primarily adapted for life on land, but like many large terrestrial animals, it was likely capable of paddling across rivers and flooded areas using its powerful legs and tail for propulsion. Trackways from other large theropods confirm that big predatory dinosaurs moved through shallow water, even though no direct swimming trackways from T. rex itself have been found
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Extinct Era on Instagram: "Comment “Coast” to get the link to our Prehi…
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EXTINCT ERA on Instagram: "Tyrannosaurus rex is believed to have laid clutches of around 15 eggs, but fossil evidence and modeling suggest that more than two-thirds of the hatchlings likely died within their first year. These high early mortality rates are common in many reptiles and birds today, where large numbers of offspring increase the chance that a few will survive. The young would have faced threats from predators, disease, and environmental challenges before reaching a size where their
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EXTINCT ERA on Instagram: "Tyrannosaurus rex is believed to …
407K views7 months ago
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Extinct Era on Instagram: "Giganotosaurus and Mapusaurus were closely related carcharodontosaurid theropods from the early part of the Late Cretaceous of what is now Argentina. Giganotosaurus is known from the Candeleros Formation, dated to the early Cenomanian, roughly 99.6 to 97 million years ago, and is often estimated at about 12 to 13 meters long (39 to 43 feet). Mapusaurus is known from the Huincul Formation, commonly dated to the Cenomanian to early Turonian, roughly 97 to 92 million year
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Extinct Era on Instagram: "Giganotosaurus and Mapusauru…
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Extinct Era on Instagram: "About 66 million years ago, a 10-kilometer (6-mile) wide asteroid struck Earth near what is now the Yucatán Peninsula in Mexico. The impact released energy equal to billions of nuclear bombs, triggering earthquakes, tsunamis, wildfires, and a cloud of superheated debris that spread across the planet. As this ejecta rained back down, it heated the atmosphere. In places like Mongolia, ground temperatures may have risen to over 150 to 300 degrees Celsius (300 to 570 degre
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Extinct Era on Instagram: "About 66 million years ago, a 10-kilometer (…
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Extinct Era on Instagram: "Hatzegopteryx was a giant azhdarchid pterosaur from the latest Late Cretaceous of Romania, known from the Hațeg region, which formed part of an island landscape with several dwarfed dinosaur species. It lived near the end of the Cretaceous, around 70 to 66 million years ago.  Because the fossils are incomplete, its exact size is uncertain, but it is often estimated to have had a wingspan on the order of around 10 meters or more (about 33 feet). Its skull and neck bone
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Slash on Instagram: "repost from @extinctera Large predators like Tarbosaurus dominated the food chain in what is now Mongolia during the Late Cretaceous, about 75 to 70 million years ago. This region was not a true desert like today, but a mix of dry floodplains, sand dunes, and river channels. After massive hunters fed, flying reptiles such as azhdarchid pterosaurs likely scavenged from exposed carcasses, although direct fossil evidence of this exact behavior is limited. Several pterosaur spec
Slash on Instagram: "repost from @extinctera Large predators like T…
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Extinct Era on Instagram: "Mapusaurus was a large carcharodontosaurid theropod from the Late Cretaceous of what is now Argentina, known from the Huincul Formation. Most estimates place it around 10 to 11 meters long (33 to 36 feet), making it one of the larger land predators of its time, with some studies suggesting larger maximum sizes. Multiple Mapusaurus individuals were found together in a single bonebed. This has been used to discuss possible gregarious behavior, but it does not demonstrate
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