A team of researchers from the National University of Central Buenos Aires, Olavarría, Stafford Research and La Brea Tar Pits and Museum, has found evidence that suggests the giant sloth went extinct before the onset of ...
Knowing what extinct animals ate has long been determined by analyzing carbon isotopes locked inside fossil teeth. For two decades, a key isotope value in these equations has been assumed to be the same for all plant-eating ...
Archaeology
Jun 27, 2018
0
44
Researchers have uncovered important genomic data from the remains of an ancient giant ground sloth, or Mylodon darwinii, the emblematic creature named after Charles Darwin, whose discovery of fossilized remains in South ...
Archaeology
May 15, 2018
1
183
Rearing on its hind legs, the giant ground sloth would have been a formidable prey for anyone, let alone humans without modern weapons. Tightly muscled, angry and swinging its fore legs tipped with wolverine-like claws, it ...
Archaeology
Apr 26, 2018
2
783
Mexican scientists said Wednesday they have discovered the fossilized remains of a previously unknown species of giant sloth that lived 10,000 years ago and died at the bottom of a sinkhole.
Archaeology
Aug 17, 2017
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636
The ghosts of Ice Age mammals can teach valuable, real-world lessons about what happens to an ecosystem when its most distinct species go extinct, according to a Yale University study.
Ecology
Jan 10, 2017
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158
(Phys.org)—A team of researchers with members from several institutions in the U.K. and U.S. has found evidence that suggests that modern gourds would have gone extinct long ago if humans had not domesticated them. In their ...
When the largest modern-day plant-eaters—elephants—are confined to too small an area, they devastate the vegetation. So 15,000 years ago, when the herbivores like the Columbian mammoth, mastodons and giant ground sloths ...
Ecology
Oct 26, 2015
0
74
Today's sloths might be known as slow, small animals, but their ancestors developed large body sizes at an amazing rate, according to an evolutionary reconstruction published today in the open access journal BMC Evolutionary ...
Evolution
Sep 10, 2014
7
0
Three-toed sloths have a unique abdominal design—their innards fixed to their lower ribs to avoid squashing the lungs while hanging upside down, a study said Wednesday.
Plants & Animals
Apr 23, 2014
2
0
