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Short Wave

'Ghost Genes' Could Help Save The American Red Wolf

Oct 22, 2024
In this engaging discussion, Bridget Von Holt, a professor at Princeton specializing in red wolf genetics, reveals the fascinating challenge of reviving the American red wolf, descended from just 14 canids. She introduces the revolutionary concept of 'ghost genes' to enhance genetic diversity by tapping into coyote genetics. The conversation dives into the importance of careful breeding to avoid inbreeding and the significant role of conservation efforts since the species was nearly extinct in the 1970s. Discover how science is crafting a hopeful future for this critically endangered animal!
14:02

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Podcast summary created with Snipd AI

Quick takeaways

  • The American red wolf's population decline, driven by hunting and hybridization, necessitated a breeding program that started with only 14 individuals.
  • Innovative research into 'ghost genes' from coyotes aims to enhance the low genetic diversity of the red wolf to aid conservation efforts.

Deep dives

The Decline of the Red Wolf

The red wolf, once a common predator in the American Southeast, has faced a steep decline due to a combination of hunting and hybridization. As European settlers expanded, they hunted red wolves as dangerous threats, disrupting their population. Additionally, because of the dwindling numbers of red wolves, they began to breed with coyotes, blurring the species' genetic lineage. By the mid-1900s, this resulted in the near extinction of the red wolf in the wild, prompting conservationists to take action to save the species.

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