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Visitors to the American Museum of Natural History examining a replica of a 122-foot-long dinosaur on display. Photo: Mary Altaffer / AP

The distinction between authentic and fake dinosaur fossiles is similar to that of artwork: sometimes blatantly obvious, and other times apparent to only experts. Some are questioning whether a fossil of a new dinosaur called Halszkaraptor— with "a bill like a duck but teeth like a croc's, a swanlike neck and killer claws," according to the AP — is real.

Why it's happening: There's a large market for fossils, which has led people "trying to earn a buck" to forge them for cash, Ed Yong writes at the Atlantic.

  • Forgers can make fossils appear more dramatic or novel by adding feathers, reconstructing tiny features, or even gluing specimens together to make them appear as one.
  • But one of the red flags about Halszkaraptor for Steve Brusatte from the Unviersity of Edinburgh is its murky past. Per Yong, the fossil traveled from Mongolia to Japan and Britain, and then France, which gives "few reassurances and many chances for tampering."
  • Philip Currie, at the Unviersity of Alberta, was one of the scientists called in to test Halszkaraptor's authenticity. He used a synchorotron to observe the "continuity of the bones and the rocks," and said he's "at least a 9" out of 10 on how sure he is that the fossil is real.
  • Currie told the Atlantic the only way to be absolutely positive, is if another team finds another fossil of the same specimen on their own.

Keep in mind: Fake fossils generally have "little impact" on our knowledge of dinosaurs, the Atlantic reports, because they aren't typically the subject of scientific research.

Go deeper

Updated 2 hours ago - Politics & Policy

In photos: The Biden and Harris inauguration

President Biden and first lady Jill Biden watch a fireworks show on the National Mall from the Truman Balcony at the White House on Wednesday night. Photo: Chip Somodevilla/Getty Images

President Biden signed his first executive orders into law from the Oval Office on Wednesday evening after walking in a brief inaugural parade to the White House with First Lady Jill Biden and members of their family. He was inaugurated with Vice President Kamala Harris at the U.S. Capitol on Wednesday morning.

Why it matters: Many of Biden's day one actions immediately reverse key Trump administration policies, including rejoining the Paris Agreement and the World Health Organization, launching a racial equity initiative and reversing the Muslim travel ban.

Republicans pledge to set aside differences and work with Biden

President Biden speaks to Sen. Mitch McConnell after being sworn in at the West Front of the U.S. Capitol on Wednesday. Photo: Erin Schaff-Pool/Getty Images

Several Republicans praised President Biden's calls for unity during his inaugural address on Wednesday and pledged to work together for the benefit of the American people.

Why it matters: The Democrats only have a slim majority in the Senate and Biden will likely need to work with the GOP to pass his legislative agenda.

The Biden protection plan

Joe Biden announces his first run for the presidency in June 1987. Photo: Howard L. Sachs/CNP/Getty Images

The Joe Biden who became the 46th president on Wednesday isn't the same blabbermouth who failed in 1988 and 2008.

Why it matters: Biden now heeds guidance about staying on task with speeches and no longer worries a gaffe or two will cost him an election. His staff also limits the places where he speaks freely and off the cuff. This Biden protective bubble will only tighten in the months ahead, aides tell Axios.