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Ketchikan: Ketchikan Community Risk Level Raised to HIGH; Ketchikan High School Closed Through Friday, May 7th - The Ketchikan Emergency Operations Center and Ketchikan School District have seen an increase in COVID-19 cases in the past couple of weeks, including an increase in community spread cases. There are 12 new cases reported in Ketchikan today, and 9 cases reported on Monday. Seven of those cases were determined to be close contacts to a known positive case, three were attributed to community spread, three were determined to be related to recent travel, and eight of the cases remain under investigation. In the past 10 days, there have been more than 10 positive cases attributed to staff or students of the Ketchikan High School. ....

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A 600 Pound Rhino-Hunting Saber-Toothed Cat Once Roamed the Earth

A 600 Pound Rhino-Hunting Saber-Toothed Cat Once Roamed the Earth
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It’s time to add another ruthless, mauling beast to the list of prehistoric predators that we’re both sad and relieved to know are no longer around:
Machairodus lahayishupup, a 660-pound saber-toothed cat that likely roamed across around North America between 5 and 9 million years ago. Its discoverers say the fanged feline was so big, in fact, it probably hunted rhinoceros.
Science Alert reported on the discovery, which comes at the tail end of a years-long research effort. John Orcutt, an assistant professor of biology at Gonzaga University, originally initiated the project. He began the effort after coming across a large upper arm bone specimen from an unidentified cat as a graduate student. ....

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New saber-toothed species is one of the largest cats in history

Machairodus lahayishupup could easily have taken on prey weighing several tons.
To identify the new saber-toothed cat species, Orcutt, who is now an assistant professor of biology at Gonzaga University, and Calede painstakingly investigated the forearm bones of lions, jaguars, tigers, and other modern big cats to determine whether their elbow shapes could reliably differentiate one species from the next.
“We found we could quantify the differences on a fairly fine scale,” Calede says in a press release. “This told us we could use the elbow shape to tell apart species of modern big cats.”
Then they turned to the fossil record, examining the same morphological markers on the museum specimens. ....

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Newly Discovered Species of Saber-Toothed Cat Was So Big It Hunted Rhinos in America

Newly Discovered Species of Saber-Toothed Cat Was So Big It Hunted Rhinos in America
Artist’s impression of the new saber-toothed cat/Roger Witter
The last 10 or 15 million years have given us some truly mega mammals, like mammoths, bears, cats, rhinos, and deer that were all much larger than their modern relatives.
Now a new species of saber-toothed cat has been described by paleontologists who found the ancient cat’s humerus bone among North American museum collections.
It turns out there is not one, but perhaps several other saber-toothed feline genetic branches, and
Machairodus lahayishupup would have been one of the largest felines to ever prowl the Earth. ....

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Paleontologists have discovered a new species of saber-toothed cat in Oregon

According to a research paper published last week in the Journal of Mammalian Evolution, this new-found specimen provides clear evidence for a diverse range of predator fauna existing during the late Miocene of the continent that included some of the biggest felids in Earth s history.
Credit: Roger Witter
The sabre-toothed cat was part of an early evolutionary branch that went extinct roughly 10,000 years ago, where today s house cats are an entirely different evolutionary offshoot that emerged later. Sabre-toothed cats, similar to lions, were quite social animals that hunted for their meals and existed amongst other members of the same species. ....

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