Like many reptiles, titanosaurs began life comparatively tiny, hatching from eggs no bigger than grapefruits. From the largest known sauropods ever discovered, including Argentinosaurus, Patagotitan and Futalognkosaurus, whose weight exceeded 60 tons (54.4 metric tons) and were bigger than a semitruck, to the smallest known sauropods, including Rinconsaurus, Saltasaurus and Magyarosaurus, which were around only 6 tons (5.4 metric tons) and about the size of an African elephant. There were nearly 100 species of titanosaurs, making up more than 30% of known sauropod dinosaurs. Over the next 75 million to 80 million years, the continents slowly separated, and titanosaurs drifted along with the changing formations, becoming distributed worldwide. Titanosaurs originated by the Early Cretaceous Period, nearly 126 million years ago, at a time when many of the Earth’s landmasses were much closer together than they are today. The secret to titanosaurs’ remarkable biological success may be how they merged the best of both reptile and mammal characteristics to form a unique way of life. Not only were they large and in charge on all seven continents, they held their own amid the newly evolved duck-billed and horned dinosaurs, until an asteroid struck Earth and ended the age of dinosaurs. I study a lesser known group of sauropod dinosaurs – the Titanosauria, or “titanic reptiles.” Instead of going extinct, titanosaurs flourished long after their more famous cousins vanished. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today. If you're enjoying this article, consider supporting our award-winning journalism by subscribing. But recent discoveries have completely rewritten the doomed sauropod narrative. With their small brains and enormous bodies, these creatures have long been the poster children for animals destined to go extinct. Animals such as Brachiosaurus, Apatosaurus and Diplodocus have been standard fixtures in science museums since the 1800s. You’re probably familiar with classic sauropod dinosaurs – the four-legged herbivores famous for their long necks and tails. Just click the button below for instant access and to print at home.The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. Recommended for children ages 2-5 years old. If using at a party – see who can match the babies with their mommas first and give out small prizes! This PDF would be great for daycares, parties and more. You might want to help them cut out the matching game cards and scatter them around the floor and let them figure out which animals are the babies of the momma animals! These activities will keep the kids busy – and help them learn in a fun way! The sheets included have the following animals: There is also handwriting applications to allow them to trace and learn to write the animals names. The label it sheets feature adorable illustrated animals and their body parts helping children to learn how to identify the parts. The sheets include the following animals: Cut out the pieces (or if they are old enough, have them do it) and place them scattered around and let them find the matching animals. Cheerios Bird Feeder Craft Mom And Babies Cutout Worksheet ActivityĪdorable illustrated animals from household pets to farm animals make this an educational activity that the kids will really enjoy.
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