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Rediscovery of red wolf ghost alleles in a canid population along the American Gulf Coast

Elizabeth Heppenheimer, Kristin E. Brzeski, Ron Wooten, Will Waddell, Linda Y. Rutledge, Michael J. Chamberlain, Daniel R. Stahler, Joseph W. Hinton, Bridgett M. vonHoldt
doi: https://doi.org/10.1101/420356
Elizabeth Heppenheimer
1Princeton University, Ecology and Evolutionary Biology, Princeton, NJ 08544;
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Kristin E. Brzeski
1Princeton University, Ecology and Evolutionary Biology, Princeton, NJ 08544;
2Michigan Technological University, School of Forest Resources & Environmental Science, Houghton, MI 49931;
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  • For correspondence: kbrzeski@mtu.edu vonholdt@princeton.edu
Ron Wooten
3Wildlife Biologist, Galveston, TX 77550;
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Will Waddell
4Point Defiance Zoo & Aquarium, Zoological & Environmental Education Department, Tacoma, WA 98407;
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Linda Y. Rutledge
5Trent University, Environmental & Life Sciences, Peterborough, Ontario, Canada K9L 0G2;
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Michael J. Chamberlain
6Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA 30602;
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Daniel R. Stahler
7Yellowstone Center for Resources, National Park Service, Yellowstone National Park, WY 82190
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Joseph W. Hinton
6Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA 30602;
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Bridgett M. vonHoldt
1Princeton University, Ecology and Evolutionary Biology, Princeton, NJ 08544;
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  • For correspondence: kbrzeski@mtu.edu vonholdt@princeton.edu
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Abstract

Rediscovering species once thought to be extinct or on the edge of extinction is rare. Red wolves have been extinct along the Gulf Coast region since 1980, with their last populations found in coastal Louisiana and Texas. We report the rediscovery of red wolf ghost alleles in a canid population on Galveston Island, Texas. We analyzed over 7,000 SNPs in 60 canid representatives from all legally recognized North American Canis species and two phenotypically ambiguous canids from Galveston Island. We found notably high Bayesian cluster assignments of the Galveston canids to captive red wolves with extensive sharing of red wolf private alleles. Today, the only known extant wild red wolves persist in a reintroduced population in North Carolina, which is dwindling amongst political and taxonomic controversy. Our rediscovery of red wolf ancestry after almost 40 years introduces both positive opportunities for additional conservation action and difficult policy challenges.

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Posted September 18, 2018.
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Rediscovery of red wolf ghost alleles in a canid population along the American Gulf Coast
Elizabeth Heppenheimer, Kristin E. Brzeski, Ron Wooten, Will Waddell, Linda Y. Rutledge, Michael J. Chamberlain, Daniel R. Stahler, Joseph W. Hinton, Bridgett M. vonHoldt
bioRxiv 420356; doi: https://doi.org/10.1101/420356
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Rediscovery of red wolf ghost alleles in a canid population along the American Gulf Coast
Elizabeth Heppenheimer, Kristin E. Brzeski, Ron Wooten, Will Waddell, Linda Y. Rutledge, Michael J. Chamberlain, Daniel R. Stahler, Joseph W. Hinton, Bridgett M. vonHoldt
bioRxiv 420356; doi: https://doi.org/10.1101/420356

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