| 单词 | ground sloth |
| 例句 | The sabre-tooth cats, after flourishing for more than 30 million years, disappeared, and so did the giant ground sloths, the oversized lions, native American horses, native American camels, the giant rodents and the mammoths. Sapiens: A Brief History of Humankind 2011-01-01T00:00:00Z They overestimated its size by a factor of six and gave it frightening claws, which in fact came from a Megalonyx, or giant ground sloth, found nearby. A Short History of Nearly Everything 2003-05-06T00:00:00Z If things continue at the present pace, it is likely that whales, sharks, tuna and dolphins will follow the diprotodons, ground sloths and mammoths to oblivion. Sapiens: A Brief History of Humankind 2011-01-01T00:00:00Z No fossil evidence suggests that a giant ground sloth ever composed a symphony or that a Devonian fish split the atom even once. ‘The Skin of Our Teeth’ Review: A Party for the End of the World 2022-04-25T04:00:00Z "How did the ground sloth protect itself?" he is asked. Will Ferrell, scientist? He plays it for laughs in 2016-02-11T05:00:00Z There’s no doubt that a revived giant ground sloth would be awesome, in the truest sense of the word. De-extinction won’t make us better conservationists! 2013-09-06T12:40:00Z Around 30m years ago, rhinos, camels, giant ground sloths and saber-toothed cats roamed a lush grassland before being buried by a series of volcanic eruptions, which preserved their bones in colourful layers of tuff. Top 10 national and state parks in Oregon 2014-07-16T04:00:00Z In my hair Gorillas leap, Tigers stalk, And ground sloths sleep. Gallery: The Kate Greenaway medal 2010 shortlist 2010-04-23T14:55:00Z Visitors will see a re-creation of the Zapata wetlands — home to the endangered Cuban crocodile — as well as a reconstructed cave showcasing fossil remains of a giant ground sloth. Around Town for Dec. 2-8 2016-12-01T05:00:00Z With their thick leg bones attached to wide-spreading hip bones and a sturdy tail, giant ground sloths could have stood upright on their hind legs to reach leaves high in trees. 'Spirit Whales and Sloth Tales' tracks Washington fossils and their stories 2023-09-15T04:00:00Z Some 13,000 years later, that sabertoothed cat’s jawbone sits in a museum drawer alongside those of a western horse, ancient bison, dire wolf, ground sloth, and yesterday’s camel. Raging wildfires may have doomed California’s ancient megamammals, tar pit fossils reveal 2023-08-16T04:00:00Z They have also been found in a few extinct mammal groups, like immense armadillo relatives called glyptodonts and giant ground sloths — whose skin armor the spiny mouse’s closely resembles. Quite a Tail: A Mouse Has Been Hiding Its Armor All This Time 2023-05-24T04:00:00Z Fossils found in the tar include everything from saber-tooth cats, giant ground sloths, dire wolves and grizzly bears to plants like oak trees and juniper. Using Fossils to Bring a River Covered in Concrete Back to Life 2022-12-17T05:00:00Z The ill-fated insect had followed dire wolves, a Harlan’s ground sloth, a Western horse and a retinue of other creatures into that particular patch of unforgiving asphalt. 'A story of extinction.' La Brea Tar Pits recognized as a geological heritage site 2022-10-28T04:00:00Z There is evidence from Quaternary South American ground sloths that they could stand on their hind feet, but there are no reliable tracks of them walking upright on two feet. 'Spirit Whales and Sloth Tales' tracks Washington fossils and their stories 2023-09-15T04:00:00Z Judging from the seeds in fossilized dung, Joshua trees were once dispersed across desert landscapes with help from elephant-size giant ground sloths. California Joshua tree is not threatened, regulators say. It could bring more development 2022-04-13T04:00:00Z At the end of the last ice age, South America was home to strange animals that have since vanished into extinction: giant ground sloths, elephant-like herbivores and an ancient lineage of horses. Does This Amazon Rock Art Depict Extinct Ice Age Mammals? 2022-03-06T05:00:00Z A team has created the first scientifically accurate, animated digital models of extinct mammoths, ground sloths, and other ice age animals excavated from the La Brea Tar Pits in Los Angeles. News at a glance: Hong Kong’s high COVID-19 death rate, Biden’s ‘test and treat,’ and a ResearchGate lawsuit 2022-03-09T05:00:00Z And, Greely says, “Personally, I would love to see a giant ground sloth or an saber-toothed cat!” Bringing back the woolly mammoth and other extinct creatures may be impossible 2022-03-09T05:00:00Z In contrast, fossil trackways preserved in dried lake beds in Nevada and New Mexico show ground sloth footprints with all four feet on the ground. 'Spirit Whales and Sloth Tales' tracks Washington fossils and their stories 2023-09-15T04:00:00Z It includes everything from a giant ground sloth from 10,000 years ago found at Seattle-Tacoma International Airport to the world’s largest spider, which arrived here in 1934 in a banana shipment from Cuba. Postscripts 2021: How a creepy ‘Chicken from Hell’ clawed its way into the Burke Museum’s menagerie 2021-12-19T05:00:00Z Together, they tell stories of how prehistoric humans interacted with extinct Ice Age megafauna, such as Columbian mammoths and giant ground sloths. Fossil footprints prove humans populated the Americas thousands of years earlier than we thought 2021-10-01T04:00:00Z Along the edges of a vanished ice age lake are the fossilized tracks of people who lived among the mammoths, giant ground sloths and other Pleistocene mammals of ancient New Mexico. Footprint Discovery Hints at Humans in the Americas More Than 20,000 Years Ago 2021-09-23T04:00:00Z Those that did were mostly large mammals, including mammoths, mastodons, and giant ground sloths — all highly mobile. The enduring mystery of Critchfield’s spruce 2021-02-14T05:00:00Z There were large animals — mammoths and ground sloths — just over the horizon. Footprints Mark a Toddler’s Perilous Prehistoric Journey 2020-10-23T04:00:00Z The path also shows marks from a giant ground sloth, which reared up when startled by the humans, and a mammoth that crossed the trail. Daily briefing: A plan to make journal abstracts free to read in one place 2020-10-11T04:00:00Z The bones of 22 giant ground sloths that probably died en masse have been found at an Ecuadorian fossil site. Daily briefing: Why Namibia might be the next big thing in astronomy 2020-01-26T05:00:00Z Ancient bones suggest that giant ground sloths moved in herds,plus an atomic way to check for whiskey fakes. Podcast: How stress can cause grey hair, and the attitude needed to tackle climate change 2020-01-21T05:00:00Z All three events are part of a day-long slate of activities to mark the date, including the unveiling of a replica of a giant ground sloth skeleton once housed on the school’s Bloomington campus. Indiana University set to commemorate 200th anniversary 2020-01-11T05:00:00Z It’s easy to envision a complete collection of mammoths, giant camels, short-faced bears, dire wolves, giant ground sloths, and sabercats filling the Pleistocene world, standing shoulder to shoulder. Canada Gets Its First Smilodon 2019-10-19T04:00:00Z Joshua trees were once dispersed across landscapes with help from elephant-sized giant ground sloths, a finding based on the abundance of seeds found in fossilized dung. Climate change may imperil Joshua trees; group seeks tougher California protections 2019-10-15T04:00:00Z As large plant eaters like giant ground sloths, mammoths and mastodons declined in the Pleistocene, their predators had to crunch more bones to get the nutrition they needed. Yellowstone wolf teeth lead to extinction theory 2019-10-06T04:00:00Z Plus, some of its displays are wildly outdated — such as the creaky animatronic saber-toothed tiger that is forever devouring a giant ground sloth, its tinny roar on permanent loop. Three design teams propose La Brea Tar Pits revamp. The mammoth's future? Uncertain 2019-08-26T04:00:00Z But the genetic results indicate that these sloths diverged from a much older common ancestor that was like the giant North American ground sloth Mylodon. Sloths Climb a New Evolutionary Tree 2019-07-13T04:00:00Z A few brief reports about international science and technology from Canada to Kenya, including one about how humans thousands of years ago in what is now Argentina butchered and presumably ate giant ground sloths. Science News Briefs from Around the World 2019-06-23T04:00:00Z The team’s new dates suggest humans hunted and butchered ground sloths in the late Pleistocene, about 12,500 years ago. Clues that the medieval plague swept into sub-Saharan Africa and evidence humans hunted and butchered giant ground sloths 12,000 years ago 2019-03-07T05:00:00Z Wouldn’t that insight and information be useful in determining whether or not humans were responsible for driving sabercats and ground sloths into extinction? The Problem with Ice Age Overkill 2018-10-07T04:00:00Z I conjured an image of mastodon hunters clad in ground sloth fur with pockets full of lotus seeds. Opinion | Loving the lotus along the Anacostia 2018-07-13T04:00:00Z Glaciers receded, temperatures warmed, and many animals began heading toward extinction—giant ground sloths, wooly mammoths, saber-toothed cats, and more. Ancient Royal Tomb Yields Strange New Ape Species 2018-06-21T04:00:00Z By contrast, who or what caused the extinctions of mammoths, enormous ground sloths and other Quaternary megafauna remains one of the most contested topics in the historical sciences. Big data little help in megafauna mysteries 2018-06-05T04:00:00Z In this case, a strange interaction between prehistoric people and a giant ground sloth. Is This Going to Be a Stand-Up Fight, Sir, or Another Sloth Hunt? 2018-05-20T04:00:00Z The largest burrows, however, were likely made by giant ground sloths, extinct cousins of modern sloths that could grow to more than 1,700 pounds. 6 Amazing Structures Built by Surprising Creatures 2018-05-07T04:00:00Z Park naturalist David Bustos says the tracks found at White Sands National Monument show someone deliberately followed a now-extinct giant ground sloth. Scientists say fossilized footprints tell tale of sloth hunt 2018-05-05T04:00:00Z The clincher, however, may be trackways at the site that include human footprints inside the larger footprints of the giant ground sloths. Ancient human-sloth hunt hinted at in 15,000-year-old footprints 2018-04-25T04:00:00Z While he studied many extinct species — such as cave bears, mastodons and ground sloths — Neanderthals were his deepest passion. David Reich Unearths Human History Etched in Bone 2018-03-20T04:00:00Z Over a century ago, giant ground sloth tracks found in Carson City, Nevada made news because their crescent shapes looked like the footprints of a human giant. Is This Going to Be a Stand-Up Fight, Sir, or Another Sloth Hunt? 2018-05-20T04:00:00Z But since it is geological time, not human history that we’re after, we keep walking down city streets in a world now populated by woolly mammoths and giant ground sloths. Opinion | Rambling Through Time 2018-01-27T05:00:00Z Fossils of the earliest inhabitants — including prehistoric ground sloths — are buried beneath the caverns’ floors. Vandalized caverns in Mojave Desert to reopen after extensive renovations 2017-09-25T04:00:00Z Other animals that lived in ancient Aucilla – like tapirs and giant ground sloths – could have made their own additions to the pile, but the bulk of the evidence suggests mastodons as the primary contributors. Talking Crap about Mastodons 2017-09-10T04:00:00Z The site was rich with fossils tens of thousands of years old, including the remains of a camel, a horse, a dire wolf, a ground sloth, and, most impressive, a mastodon. Did Humans Arrive in America a Hundred Thousand Years Earlier Than We Thought? 2017-04-26T04:00:00Z The tracks of the giant ground sloth and the Pleistocene people show how these Ice Age inhabitants reacted to each other. Is This Going to Be a Stand-Up Fight, Sir, or Another Sloth Hunt? 2018-05-20T04:00:00Z The ground sloth was in remarkable condition, the Times reported. A giant ground sloth was found at Sea-Tac airport 56 years ago 2017-02-14T05:00:00Z They called themselves the "Megatherium Club" after a genus of extinct ground sloths — a jab at neighbors who complained that their late night high jinks made them sound like "wild beasts." This Smithsonian scientist’s death was a mystery; 150 years later, his skeleton helped solve it 2016-08-03T04:00:00Z Across most of mainland North America, animals like giant ground sloths and mammoths went extinct about 10,000 years ago. Watch Divers Find Sloth Fossils in Underwater Cave 2016-05-13T04:00:00Z Meat from a giant ground sloth was also promised. Mammoth meat was never served at 1950s New York dinner, says researcher 2016-02-03T05:00:00Z Nor did the feast include meat from a giant ground sloth, as the menu promised. Mystery meat: Was it really woolly mammoth on the menu? 2016-02-03T05:00:00Z More than a decade after it was discovered, the giant ground sloth was mounted for display at the Burke Museum. A giant ground sloth was found at Sea-Tac airport 56 years ago 2017-02-14T05:00:00Z Was this jar of ethanol with a bit of flesh really cooked, extinct ground sloth from Alaska? The Explorers Club Once Served Mammoth at a Meal. Or Did It? 2016-02-03T05:00:00Z Mammoths, camels, giant beavers, ground sloths, dire wolves and saber-toothed cats all disappeared. Was the Virginia mastodon really there, or was this a big mistake? 2015-12-21T05:00:00Z Camels, giant ground sloths, sabre-toothed cats and cow-sized beavers all faded away at the same time in North America. Mastodon emerges from a Virginia creek, three decades after first remains found 2015-08-01T04:00:00Z Camels, giant ground sloths, saber-toothed cats and cow-size beavers all faded away at the same time in North America. Digging up what? It’s a mastodon. And it’s in Virginia. 2015-07-20T04:00:00Z The next day, the scientists investigating the fossil revised their story: The bones were actually that of a giant ground sloth. A giant ground sloth was found at Sea-Tac airport 56 years ago 2017-02-14T05:00:00Z There are no more woolly mammoths, woolly rhinos or giant ground sloths. Did the Anthropocene Begin in 1950 or 50,000 Years Ago? 2015-04-02T04:00:00Z An eclectic array of mammals including elephant-sized ground sloths and saber-toothed marsupials arose in South America. Mystery of Darwin's strange South American mammals solved 2015-03-18T04:00:00Z Its skull boasts a combination of primitive features and advanced ones like a cheek bone with a dagger-like feature for attachment of massive chewing muscles like in an Ice Age giant ground sloth. Ancient critter from Madagascar rewrites early mammalian history 2014-11-05T05:00:00Z But scientists think mastodons, woolly mammoths and ground sloths once ate them, helping to spread the tree around the Americas. Champion trees have their fans in Montgomery County Discovered far beneath the Yucatán Peninsula in Mexico, "Naia" was uncovered in a waterlogged cave alongside the remains of extinct saber-toothed tigers, ground sloths and cave bears. 12,000-Year-Old Skeleton Sheds Light on First Americans 2014-05-15T04:00:00Z South America teemed with large animals which overlapped with stone age humans, including several species of elephant-like creatures, giant ground sloths, and armadillo-like creatures the size of a small car. Megafauna Extinction Affects Ecosystems 12,000 Years Later 2013-08-15T21:15:01.287Z The shasta ground sloth roamed the Grand Canyon during the Ice Age Its surviving cousin, the South American tree sloth, lives similarly. The Ice Age giants of North America 2013-05-17T04:52:20Z I will never observe black-bear-sized beavers through binoculars in their natural habitats, build experimental exclosures to test the effects of mastodons on plants, or even observe a giant ground sloth in a zoo. Cloning woolly mammoths: it's the ecology, stupid 2013-03-18T16:15:31.110Z Giant ground sloths rose up on their hind legs like giraffes to browse tree branches. Can Endangered Animals Coexist with Big Ag? [Excerpt] 2013-02-22T19:15:00.507Z The idea of numerous peacocks strutting about the woodlands and savannahs of Pleistocene California, alongside dire wolves, sabre-toothed cats and ground sloths, is perhaps amusing. The other turkey 2013-01-16T15:15:00.303Z Living tree sloths are good swimmers so it seems reasonable to assume that ground sloths were too. The anatomy of sloths 2012-08-30T19:15:03.553Z All living mammals, as well as extinct mammals like woolly mammoths and giant ground sloths, are members of a larger group known as synapsids. Scientist at Work Blog: Have You Seen This Animal? 2012-04-11T19:24:41Z The great ground sloths, the Mylodons, Megatheres, and their allies, are another case in point. Animals of the Past 2011-11-16T03:00:27.497Z The so-called ground sloths were of large size, Megatherium being nearly as large as an elephant, and Mylodon not much smaller. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z The mammals included extinct species of ground sloth, mammoth, horse, tapir, camel and bison. Fossil Bird Study Describes Ripple Effect of Extinction in Animal Kingdom 2011-03-09T15:28:00Z Mummified sloth skin preserved in the arid caves of Chile, Argentina, Arizona and Nevada provides excellent information on ground sloth skin and fur. The anatomy of sloths 2012-08-30T19:15:03.553Z It was called the giant ground sloth, and, as you may judge from this name, was not very quick in its movements. The Children's Book of London The largest of the edentates was the Megatherium, a. clumsy ground sloth bigger than a rhinoceros. The Elements of Geology Presently a large ground sloth came to the pool to drink, lapping up the water at the sides that had partly cooled. A journey in other worlds A romance of the future |
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