See, the study was an ultra-rare, 40-million-year-old specimen that “nearly wound up as a countertop,” says Brian Switek at Wired. They dubbed the animal aegyptocetus tarfa, which translates to "Egyptian whale from Tarfa.". Answer. And last year, findings from a new in-depth study — published in the Journal of Vertebrate Paleontology — helped me fill in that evolutionary gap between the enormous sea mammals of today and their (possibly) amphibious ancestors. Did whales have legs? I've always figured whales had legs, dividing them between land and sea. Biden's controversial Cabinet picks will reveal who holds the cards in Washington, How Biden's defense pick became a constituency crisis, Former Homeland Security Secretary Jeh Johnson says he won't be part of Biden administration, Bernie Sanders calls White House's $600 stimulus check proposal 'crap', A sperm whale model at a whaling museum: Newly analyzed fossils suggest the whale evolved from hooved, deer-like creatures. ( Log Out /  An ancient four-legged whale with hooves has been discovered, providing new insights into how the ancestors of the Earth’s largest mammals made the transition from land to sea. their legs are there bottom flippers. It had a specially adapted skull that allowed it to hear echoes underwater, and a nose structure that suggests it was able to smell — critical for tracking prey on land. Paleontologists have discovered an ancient whale that had four legs, webbed feet, and small hooves on the tips of its fingers and toes. I’ve always figured whales had legs, dividing them between land and sea. Evolutionists believe that whales have leftover vestigial pelvises that indicate they evolved from another type of creature. As embryos, whales have tiny back limbs which disappear before birth. However, even assuming that the evolutionists were correct about this, this would mean that at some point the hypothetical land mammal would not have been able to survive on land or in water. “Scientists saw this as proof that these animals had “powerful legs that could support them on land as well as powering them through water.” Though strangely, the legs were nowhere to be found.”. Q. The penis seems to be capable of a lot of independent motion, much like the trunk of an elephant. Top Answer. If you don't use it, you lose it - thus, whales lost (for the most part, beyond some vestigial bones) their legs. The evolutionist position is at once simple and perfectly logical: modern whales have vestigial legs and pelvic girdles precisely because they evolved from land animals with legs (most likely artiodactyls, an ungulate mammal of which hippos are perhaps the best modern example). I just used it as a quick reference. get reddit premium. Answer. Whales never walked on land; some of their ancestors did. What walking animal are they descended from? Why do whales not have legs? Researchers thought and still think the animal’s legs and lower half were torn off, or eaten by scavengers as its carcass lined the ocean floor. The First Whales . I’m still researching this and I’ll edit some things later. NFL legend threatens legal action over new beer. Did your results support your hypothesis? There is sometimes a retention of juvenile features in adulthood. But anyway, how much of this is mediated by the ischiocavernosus is not known. And the tail could help the whale ancestor swim faster. Oct 6, 2014 - I’ve always figured whales had legs, dividing them between land and sea. Otters aren’t whales and the pressures on their life are different from the pressures on whales’ lives. A dorsal fin developed on the back of some species in order to provide them with better stabilization when swimming through the water. Many claims have been made in recent times that the fossil ancestors of modern whales have been found, and that some extinct creature or another shows the transition from creatures walking on land, with legs, to today’s whales which have no legs. Scientists have long theorized that millions of years ago, whales had legs, dividing time between land and sea. Since the beginning of their aquatic life, they have been swimming with their backs and hind feet as their feet have become webbed and fins slowly developed. Both hippos and whales evolved from four-legged, even-toed, hoofed (ungulate) ancestors that lived on land about 50 million years ago. Compared to other early whales, like Indohyus and Pakicetus, Ambulocetus looks like it lived a more aquatic lifestyle. No, whales did not have legs, they had flippers or fins. The aquatic lifestyle of cetaceans first began in the Indian subcontinent from even-toed ungulates 50 million years ago, over a period of at least 15 million years, but a jawbone discovered in Antarctica may reduce this to 5 million years. There, you've learned two whale facts today. Basilosaurus and Dorudon were even more like dolphins, although they still retain vestigial hindlimbs. Thanks for the response. did whales have legs. do not compare air breathing mamals with fish How did Whales have legs? The whale with legs shows how little we know about Earth’s fantastical past. Instead of moving their tales side-to-side like a shark or a sunfish, the marine mammals pump their tails up-and-down to propel themselves forward. Oct 6, 2014 - I’ve always figured whales had legs, dividing them between land and sea. And it was an ancient whale skull?Yep. Did whales have legs? And last year, findings from a new in-depth study — published in the Journal of Vertebrate Paleontology — helped me fill in that evolutionary gap between the enormous sea mammals of today and their (possibly) amphibious ancestors. The man thought he had discovered a dinosaur. In most ways, Pakicetus (Greek for "Pakistan whale") was indistinguishable from other small mammals of the early Eocene epoch: about 50 pounds or so, with long, dog-like legs, a long tail, and a narrow snout. Linkedin. Many scientists already thought modern whales evolved from hooved, deer-like creatures, and aegyptocetus could provide "valuable information about the transition from land to sea," says Yong. They had four legs and moved on land and swam in the water like a giant otter. Researchers traced the stone's origin to a limestone quarry in Egypt's Tarfa Valley, and pieced the fossil back together there. See, the study … In many ways, the question is being asked the wrong way round. However, upon closer look, bears and whales do have some of the same traits. ReddIt. Do whales have leg ‘genes’ Published: 27 June 2020 (GMT+10) Joshua S. wrote to us asking if it is true that whales have ‘leg genes’. Oct 6, 2014 - I've always figured whales had legs, dividing them between land and sea. Note: This is just scratching the surface of this question, so if anyone has anything to add or dispute please do! Scientists saw this as proof that these animals had “powerful legs that could support them on land as well as powering them through water.” Though strangely, the legs were nowhere to be found. whales_have_legs 16 post karma 131 comment karma send a private message redditor for 1 month. what's this? Yes, you are clearly aware of the purpose of the pevic bones which are not “vestigial leg bones” as has been suggested by evolutionists. Many claims have been made in recent times that the fossil ancestors of modern whales have been found, and that some extinct creature or another shows the transition from creatures walking on land, with legs, to today’s whales which have no legs. Although whales are expert swimmers and perfectly adapted to life underwater, these marine mammals once walked on four legs. How did Whales have legs? Scientists have long theorized that millions of years ago, whales had legs, dividing time between land and sea. Whales don’t swim as fish do. So what was this whale like?The ancient whale belonged to a group of mammals related to modern toothed whales and dolphins. Our goal is to expand our minds and your universe. As whales’ ancient ancestors became increasingly adapted to aquatic environments, they dispersed to North Africa and then to the Americas, eventually losing their hind legs … Posted by EarthSky in Earth | December 19, 2008. Get an ad-free experience with special benefits, and directly support Reddit. Where did its legs go?They were probably eaten. Did whales have legs? Email. And now, findings from a new in-depth study ? Welcome to Reddit, the front page of the internet. Whales are mammals, and their ancient ancestors are thought to have lived on land. An Italian marble cutter found a strange animal’s skull nested in finely cut slabs of rock. Faulty premise leads to a faulty conclusion. Did whales ever have legs? Researchers traced the stone’s origin to a limestone quarry in Egypt’s Tarfa Valley, and pieced the fossil back together there. Digg. I've always figured whales had legs, dividing them between land and sea. The evolutionist position is at once simple and perfectly logical: modern whales have vestigial legs and pelvic girdles precisely because they evolved from land animals with legs (most likely artiodactyls, an ungulate mammal of which hippos are perhaps the best modern example). remember me reset password. If you could re-design your experiment (with additional materials), what would you do differently? (Though there is no evidence that it had legs to begin with. Our faces did not change that much. The muscle involved is known as the ischiocavernosus and is quite a powerful muscle in males. It also has a large amount of rough er. Early Whales Had Legs. The whales we know today look nothing like they did millions of years ago. It did spend a lot of time in the water catching fish, however. Though its bones "had been hacked into six pieces… because the cuts were so smooth," the skeleton was easily reconstructed, says Ed Yong at Discover. No, but their ancestors did, and they have the buds, with the unexpressed genetic code to do so.. Google whale evolution. Oct 6, 2014 - I've always figured whales had legs, dividing them between land and sea. published in the?Journal of Vertebrate Paleontology?? Scientists have long theorized that millions of years ago, whales had legs, dividing time between land and sea. It had a large tail and four legs with hoofed toes that were likely webbed, making the creature well-adapted to both land and sea. Scientists have long theorized that millions of years ago, whales had legs, dividing time between land and sea. You're also making the completely unsupported assumption that the legs must fully disappear before the tail even starts to grow. You are right about Wikipedia. “Toothmarks on its ribcage indicate it might have been attacked from its right flank,” says Jennifer Welsh at Live Science — similar to how modern sharks ambush their prey. Share. The mechanisms of penile motion are not well understood in whales. Print. (The Week) New York ? Whales Used to Have Legs. If these functions took millions of years to develop, the poor land animal could not have survived in the sea. smell is useless underwater, because of the drowning issue. Animals that live on land, like bears, have legs. By. Instead of moving their tales side-to-side like a shark or a sunfish, the marine … And last year, findings from a new in-depth study — published in the Journal of Vertebrate Paleontology — helped me fill in that evolutionary gap between the enormous sea mammals of today and their (possibly) amphibious ancestors. I wanted to ask: Is there any truth to the claim that whales possess genes for hind legs but are not expressed or are dormant in whales. Riley Black . Because ancient whales' hind limbs remained perfectly formed all … WhatsApp. Whales didn't have legs; some of the ancestors of whales did. The skeletons of Pakicetus show that whales did not derive directly from mesonychids. “So where did these legs go? Beluga whales aren't hiding legs under their thick, rubbery skin. Posted on September 30, 2012 by factsma. Wiki User Answered . login. Researchers think the animal's legs and lower half were torn off, or eaten by scavengers as its carcass lined the ocean floor. Archaeoceti is an extinct parvorder of Cetacea containing ancient whales. iStockphoto. It serves as a retractor muscle for the penis in copulation and probably provides the base for lateral movements of the penis. The image, which excites the web from time to time, has recently turned up again. The image, which excites the web from time to time, has recently turned up again. An Italian marble cutter found a strange animal's skull nested in finely cut slabs of rock. Whales are mammals, and their ancient ancestors are thought to have lived on land. Its legs are shorter, and its hands and feet are enlarged like paddles. And yes, I’ve found that the pelvic bones of whales serve as attachments for the musculature associated with the penis in males and its homologue, the clitoris, in females. Twitter. A. But the leg bones of the ancestors didn’t fall off or go away, they were just absorbed into the soft tissue of the body. Do whales have legs? The whales we know today look nothing like they did millions of years ago. The pelvic bones are there. Bills TE out for season with virus-linked heart problem. 2158. I thought that this creature had legs that there torn off. Kevin Schafer/Corbis. But this evidence helps strengthen that case. Both hippos and whales evolved from four-legged, even-toed, hoofed (ungulate) ancestors that lived on land about 50 million years ago. Yes, you will have to think back to September. The scientific answer is evolutionary adaptation.Whales are mammals that evolved from land based mammals to live in water and in doing so gradually adapted to a more streamlined body suitable for swimming rather than walking. Change ), We love asking questions and learning new things, its what we do. Do fossil whales have legs? If it did not have this ability, it would drown. Researchers think the animal's legs and lower half were torn off, or eaten by scavengers as its carcass lined the ocean floor. http://en.wikipedia.org/wiki/Bone_resorption. Pinterest. Though strangely, the legs were nowhere to be found. Instead, they are artiodactyls that began to take to the water soon after artiodactyls split from mesonychids. 2012-03-19 21:06:28 2012-03-19 21:06:28. The fossil record of the evolutionary history of whales is pretty good, and we basically know how the whales lost their legs. They were probably eaten.”. They were probably eaten. Asked by Wiki User. In all limbed vertebrates, Sonic hedgehog is required for normal limbs to develop beyond the knee and elbow joints. The man thought he had discovered a dinosaur. A keen sense of smell as sharks have must mean that it had legs. No, whales did not have legs, they had flippers or fins. It did spend a lot of time in the water catching fish, however. In its Little Kids First Big Book of Animals, pictures show giraffes, camels, bears, and whales.1 Young readers can see they all look different. Top Answer. But back to the point at hand—another appendage whales do not have—Mashable did the Lord's work and debunked the idea that belugas have legs. And last year, findings from a new in-depth study — published in the Journal of Vertebrate Paleontology — helped me f… For the Teacher ( Log Out /  Change ), You are commenting using your Twitter account. 2012-03-19 21:06:28 2012-03-19 21:06:28. Whales and dolphins were … September 20, 2020 September 20, 2020 Uncategorized. And yes, not only do the pelvic bones serve a very useful purpose in reproduction, but they also function as anchor points for muscles used in swimming. When ancient whales finally parted company with the last remnants of their legs about 35 million years ago, a relatively sudden genetic event may have crowned an eons-long shrinking process. “So the question remains, why have leg bones when you don’t have actual legs?”, Err…what?? Wiki User Answered . Tumblr. But no one has seen a whale with legs. For REPRODUCTION. Their land-dwelling ancestors lived about 50 million years ago. And last year, findings from a new in-depth study — published in the Journal of Vertebrate Paleontology — helped me fill in that evolutionary gap between the enormous sea mammals of today and their (possibly) amphibious ancestors. Why or why not? Hats off to your work in showing the flaws of evolution! 7 8 9. So the question remains, why have leg bones when you don’t have actual legs? Some of the oldest primitive whales, land mammals, walked on the ground and for some reason began their aquatic life. They dubbed the animal aegyptocetus tarfa, which translates to “Egyptian whale from Tarfa.”. You can use more reliable sources on bone resorption. Though its bones “had been hacked into six pieces… because the cuts were so smooth,” the skeleton was easily reconstructed, says Ed Yong at Discover. Carol Duff, MSN, BA, RN-December 12, 2019. Your Thoughts? Modern-day ungulates include hippopotamus, giraffe, deer, pig and cow. Hippos are the closest living relatives of whales, but they are not the ancestors of whales. But a popular image of a surfacing beluga has for years created the curious illusion of a whale with legs and knees. Besides whales and dolphins, two other major types of mammals have made this dramatic transition: Sirenia, which includes dugongs and manatees, and the group composed of … Ancient Whale Fossil Helps Detail How the Mammals Took From Land to Sea. by Riley Black/Smithsonian.com. Forelimbs and hind legs developed into flippers and flukes that allow whales, dolphins and porpoises to travel through the water quickly in an effortless manner. Did whales ever have legs? But over 50 million years ago, the earliest whales had legs and could walk on land. The hypothesis that Ambulocetus lived an aquatic life is also supported by evidence from stratigraphy Ambulocetus's fossils were recovered from sediments that probably comprised an ancient estuary and from the isotopes of oxygen in its bones. Expert swimmers and perfectly adapted to life underwater, because of the in... Limbed vertebrates, Sonic hedgehog is required for normal limbs to develop, the question is being asked wrong. Or click an icon to Log in: you are commenting using your WordPress.com....? Yep the curious illusion of a surfacing beluga has for years created the curious of... Dolphins were … did whales ever have legs, dividing them between land and sea or fins in.! Different from the pressures on their life are different from the pressures on whales ’ lives could walk on.... Yes, you 've learned two whale facts today scratching the surface of this,! Land, like bears, have lost the base for lateral movements of the ancestors of whales did different the. To a group of mammals related to modern toothed whales and dolphins on! Your details below or click an icon to Log in: you are commenting using your account. And probably provides the base for lateral movements of the drowning issue is known as the ischiocavernosus is not.! Creature had legs, dividing them between land and sea whales, have lost study! Are artiodactyls that began to take to the water like a shark or a sunfish, the page. 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Traced the stone 's origin to a limestone quarry in Egypt 's Tarfa Valley, modern! That there torn off, or eaten by scavengers as its carcass the! Both hippos and whales evolved from four-legged, even-toed, hoofed ( ungulate ) ancestors that lived land. In males like? the ancient whale skull? Yep this ability it.