![]() In another instance in 2016, a sinkhole in Florida’s Aucilla River (opens in new tab) was declared an "archaeological gold mine" after an ancient human tool and mastodon bones are found inside. Mastodonti (greco: 'il petto' e, 'il dente') sono qualsiasi specie di proboscideans estinto nel genere Mammut, lontanamente collegato a elefanti, che abitarono in America Nord e Centrale durante Miocene tardo o Pliocene tardo fino alla loro estinzione alla fine del Pleistocene 10.000 a 11.000 anni fa. For example, on October 16, 1963, Marshal Erb was using a dragline to excavate a pond and found fossils that came to be known as the Perry Mastodon. Sometimes, they are found in unusual places. There have been many mastodon fossil discoveries in the past few hundred years. The difference is mammoths are bigger than elephants and have longer tusks. Elephants and mammoths both have a long nose called a trunk, which can grab their favorite food, grass. They have gone extinct, which means none of them live anymore. Not long after, in 1807, Thomas Jefferson personally financed an expedition that was by led William Clark to excavate mastodon and mammoth fossils from the Big Bone Lick site in Kentucky. What’s bigger an elephant or a mammoth Mammoths were a kind of elephant that lived during the Ice Age. The first mastodon fossils were found in 1705, according to the Oregon History Project, when a large tooth and bone fragments were found in the Hudson River Valley in New York. I leoni, le prendono, per così dire, dagli. (Image credit: Sergio de la Rosa) Fossil discoveries Nel video qui sotto si vede una scena davvero magnifica, e il bello è che per quanto paia assurda non è così rara. Sculptures by artist Sergio de la Rosa show three elephant relatives, from left to right: the mastodon, the mammoth and the gomphothere. Coupled with the coming out of the Ice Age and fighting off humans, the species just couldn't survive. It is likely that the disease didn't kill off the animals directly, but made them weak. ![]() Though death by disease sounds like a cut-and-dry answer, "Extinction is usually not a one-phenomenon event," Rothschild told Live Science. This led the researchers to think that a tuberculosis pandemic contributed to their extinction. ![]() ![]() They found that 52 percent of the 113 mastodons they studied had signs of tuberculosis. Others, like researchers Bruce Rothschild of the Northeastern Ohio Universities College of Medicine and Richard Laub of the Buffalo Museum of Science in New York, have a different theory. Some scientists think that the Earth warmed up from the Ice Age too quickly for the mastodon to adapt or that humans hunted them to extinction. Most of these theories boil down to climate change and/or human hunting, according to Simon Fraser University. Mastodons went extinct around 10,000 years ago. They typically inhabited spruce woodlands around valleys and swamps, according to Cochise College. Though mastodons appeared primarily in North and Central America, they eventually spread all over the world, in every continent except for Antarctica and Australia. ![]()
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