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Our Expert Voices conversation on de-extinction.

Without ecology, the genetic resurrection of extinct species could be little more than an interesting spectacle. Every organism plays a part in maintaining ecosystems (e.g. seed dispersal, predation), and the loss of species can alter ecosystem function.

Three guidelines to maximize the benefit of de-extinction:

  1. Target ecologically unique species: Energy is better spent attempting to bring back species that held unique positions in their ecosystem, rather than species whose roles were similar to other species. Example: the Christmas Island pipistrelle, which was the only insectivorous bat on its island.
  2. Focus on recent extinctions: The more recent the better. Ecosystems can change drastically over time, making function difficult to recover. The woolly mammoth, a proposed candidate for de-extinction, likely has been extinct too long to be placed back into current ecosystems.
  3. Ensure recovery of meaningful abundance: Without enough individuals in an ecosystem, a species won't have much impact. Barriers to restoring abundance include climate, disease, policy, and human-animal conflict. The conflicts caused by massive passenger pigeon flocks could be a barrier to restoration of this species.

Bottom line: Ultimately, de-extinction should aim to restore lost ecological function by re-creating species' ecology as well as biology.

Other voices in the conversation: Joseph Bennett, biologist, Carleton University: Keep animals from going extinct in the first place Ben J. Novak, biologist, The Great Passenger Pigeon Comeback: De-extinction is like any other conservation program Alejandro Camacho, legal scholar, University of California, Irvine: Wildlife laws aren't ready for the return of extinct species John Hawks, paleoanthropologist, University of Wisconsin-Madison: Bringing back Neanderthals

Go deeper

Mark Meadows will stop cooperating with Jan. 6 panel, attorney says

Photo: Chris Kleponis/Polaris/Bloomberg via Getty Images

Former White House chief of staff Mark Meadows will no longer cooperate with the House select committee investigating the Jan. 6 Capitol insurrection, his attorney told Fox News Tuesday.

Why it matters: Meadows, who failed to appear before the panel last month, is believed to have insight into former President Trump's role in efforts to stop the certification of President Biden's election win.

Updated 4 hours ago - Economy & Business

The billionaire balloon

Data: World Inequality Report 2022; Chart: Axios Visuals

The super-rich are getting stupid rich: New data out today shows the share of global wealth held by the richest slice of humanity swelled by almost a full percentage point during the pandemic.

Driving the news: The top 0.01% of individuals now hold about 11% of the world's wealth, compared to just over 10% in 2020, according to the "World Inequality Report 2022," written by Lucas Chancel, Thomas Piketty, Emmanuel Saez and Gabriel Zucman.

Tina Reed, author of Vitals
4 hours ago - Health

Omicron gives a shot to boosters

Expand chart
Data: CDC; Chart: Will Chase/Axios

Vaccination rates have ticked higher since the discovery of the Omicron variant, CDC data shows.

By the numbers: The seven-day average for vaccinations in the U.S. reached about 1.8 million on Monday, up from an average of about 1.3 million a month ago.

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