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Today's #xatw is the Thylacosmilus! Check out the thread below to learn more about this guy and about marsupials in general!
This #xatw is the passenger pigeon, which went extinct in 1914. This bird was once very common in the United States, with about 3 - 5 billion individuals in estimate. By 1900, this bird was never to be seen in the wild again, and efforts to breed in captivity failed (continue)
This #xatw is the Thylacine, aka the Tasmanian Tiger! This species is a recent extinction, with the last thylacine dying in 1936. But what exactly is a thylacine?
For this #xatw the Psittacosaurus is a member of the cerotopsians, the same group that the Triceratops is in. They lived during the early to mid Cretaceous, right before the Triceratops came about in the late Cretaceous. It’s hard to believe this little guy was an ancestor of the
This #xatw is the Camptosaurus! This dinosaur was present during the Late Jurassic found in Western United States. This guy was about 5 meters in length and is an ornithopod dinosaur. Its teeth ware suggests that this dinosaur snacked on tough vegetation. Continue for more info!
Today’s #xatw is the Dimorphodon macronyx! This pterosaur had a wingspan of 1.2 meters (4 feet) and is known for its long claws and teeth. This species had fangs at the front of the mouth and grinding teeth at the back which suggests the pterosaur ate insects and small animals-
This week's #xatw is the Dodo bird. This 3 foot bird is known for how dumb it is, since we are told as kids that the dodo bird was slow, stupid, and easy to catch, which is why it was hunted to extinction. But is this true? Well, the Dodo bird became extinct in 1680 (continue!)
This #xatw is the Deinonychus antirrhopus, a theropod in the early Cretaceous peroid. The Deinonychus is actually the model for the Velociraptor in Jurassic Park, believe it or not. Velociraptors are actually quite tiny, about a foot and half. (cont. for more info!)
This #xatw is the Smilodon! A group of Pleistocene big cats with long fangs that reached to 18 cm, also known as the saber-toothed tiger. This cat is found mostly in North America, though fossilized remains have been found as far as South America. The Smilodon weights about-
This #xatw is the woolly mammoth! Probably the most famous Pleistocene (The Last Ice Age) animal. Come join this thread to learn more about the woolly mammoth!