
Scientific Resources
Scientific Publications (selected for relevance)
2026
vonHoldt, Macaire, Brzeski (2026) The paradoxical extinction: exploring signatures of assortative mating as a possible mechanism that maintains canonical red wolf genetic ancestry in the American Gulf Coast canids. Journal of Heredity doi: 10.1093/jhered/esag010
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vonHoldt, James, Gaughran, DeCandia, Koepfli, Flores, Songsasen, Brzeski, Jensen (2026) Evolving conservation: the role of unconventional approaches to restore contemporary vertebrate populations and genomic biodiversity. Journal of Heredity doi: 10.1093/jhered/esag040.
2024
Bredemeyer, vonHoldt, Foley, Childers, Brzeski, Murphy (2024) The value of hybrid genomes: building two highly contiguous reference genome assemblies to advance Canis genomic studies. Journal of Heredity doi: 10.1093/jhered/esae013
2022
vonHoldt, Hinton, Shutt, Murphy, Karlin, Adams, Waits, Brzeski (2022) Reviving ghost alleles: genetically admixed coyotes along the American Gulf Coast are critical for saving the endangered red wolf. Science Advances doi: 10.1126/sciadv.abn7731
vonHoldt, Brzeski, Aardema, Schell, Rutledge, Fain, Shutt, Linderholm, Murphy (2022) Persistence and expansion of cryptic endangered red wolf genomic ancestry along the American Gulf coast. Molecular Ecology doi: 10.1111/mec.16200
Barnes, Karlin, vonHoldt, Adams, Waits, Hinton, Henderson, Brzeski (2022) Genetic diversity and family groups detected in a coyote population with red wolf ancestry on Galveston Island, Texas. BMC Ecology and Evolution doi: 10.1186/s12862-022-02084-9
2020
Heppenheimer, Brzeski, Hinton, Chamberlain, Robinson, Wayne, vonHoldt (2020) A genome-wide perspective on the persistence of red wolf ancestry in southeastern canids. Journal of Heredity doi: 10.1093/jhered/esaa006
2019
Hinton, Heppenheimer, West, Caudill, Karlin, Kilgo, Mayer, Miller, Walch, vonHoldt, Chamberlain (2019) Geographic patterns in morphometric and genetic variation for coyote populations with emphasis on southeastern coyotes. Ecology and Evolution doi: 10.1002/ece3.4966
2018
Heppenheimer, Brzeski, Wooten, Waddell, Rutledge, Chamberlain, Stahler, Hinton, vonHoldt (2018) Rediscovery of red wolf ghost alleles in a canid population along the American Gulf Coast. Genes doi: 10.3390/genes9120618
Heppenheimer, Cosio, Brzeski, Caudill, Van Why, Chamberlain, Hinton, vonHoldt (2018) Demographic history influences spatial patterns of genetic diversity in recently expanded coyote (Canis latrans) populations. Heredity doi: 10.1038/s41437-017-0014-5
2017 and earlier
vonHoldt, Brzeski, Wilcove, Rutledge (2017) Redefining the role of admixture and genomics in species conservation. Conservation Letters doi: 10.1111/conl.12371
vonHoldt, Cahill, Fan, Gronau, Robinson, Pollinger, Shapiro, Wall, Wayne (2016) Whole-genome sequence analysis shows that two endemic species of North American wolf are admixtures of the coyote and gray wolf. Science Advances doi: 10.1126/sciadv.1501714
Brzeski, DeBiasse, Rabon, Chamberlain, Taylor (2016) Mitochondrial DNA variation in southeastern pre-Columbian canids. Journal of Heredity doi: 10.1093/jhered/esw002
Hinton, Brzeski, Rabon, Chamberlain (2016) Effects of anthropogenic mortality on red wolf breeding pairs: implications for red wolf recovery. Oryx doi: 10.1017/S0030605315000770
Brzeski, Bartel, Waddell, Wolf, Rabon, Taylor (2015) Infectious disease and red wolf conservation: assessment of disease occurrence and associated risks. Journal of Mammalogy doi: 10.1093/jmammal/gyv080
Brzeski, Rabon, Chamberlain, Waits, Taylor (2014) Inbreeding and inbreeding depression in endangered red wolves (Canis rufus). Molecular Ecology doi: 10.1111/mec.12871
vonHoldt, Pollinger, Earl, Knowles, Boyko, Parker, Geffen, Pilot, Jedrzejewski, Jedrzejewska, Sidorovich, Greco, Randi, Musiani, Kays, Bustamante, Ostrander, Novembre, Wayne (2011) A genome-wide perspective on the evolutionary history of enigmatic wolf-like canids. Genome Research doi: 10.1101/gr.116301.110
Television or other aired episodes
2024
PBS, Chasing The Tide — Ghosts of Our Past. Released 7 Oct 2024
2023
PBS, EcoSense — Messing with Mother Nature. Released 24 April 2023
Webinars
2022
Wolf Conservation Center (Red Wolf Week): Reviving Ghost Alleles: The Importance of Admixed Canids Along the American Gulf Coast for Saving the Endangered Red Wolf. Released 15 September 2022.
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Wolf Conservation Center Scientific Webinar Series: Searching for Red Wolf Ghosts – the Gulf Coast Canine Project. Released 27 January 2022.
Podcasts and Audio
2025
The Wolf Connection — Episode #218: Bridgett VonHoldt & Kristin Brzeski – Updated Research on Ghost Wolves. Released 21 Mar 2025.
2024
NPR Short Wave: The American red wolf is endangered. These 'ghost genes' could save it. Host Emily Kwong. Released 21 Oct 2024.
​For the Wild Ones (International Wildlife Coexistence Network) — Episode 17: Ghost Wolves vs Margaritaville. Host Josh Adler. Released 19 April 2024.
The Wolf Connection — Episode #161: Bridgett VonHoldt & Kristin Brzeski – Galveston Island 'Ghost Wolves. Released 15 Feb 2024.
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Texas Fauna Project (Conservation History Association of Texas) — Oral-history interview, Red Wolf: Bits and Pieces. Host David Todd. Released 29 Feb 2024.
2022
The Wolf Connection — Episode #93: International Wolf Symposium #1 – Bridgett VonHoldt, Kristin Brzeski, Joey Hinton / Gulf Coast Canine Project.
Released 19 Oct 2022.
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Scientific American, 60-Second Science (now Science Quickly): Rediscovered Red Wolf Genes May Help Conserve the Species. Host Fionna SamuelsReleased 5 Oct 2022.
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The Wolf Connection — Episode #87: Bridgett VonHoldt – Genomic Studies in Wolves & 'Ghost' Genes. Released 25 Aug 2022.
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ABS Australia's Nightlife: Ghost DNA and the quest to save the red wolf. Released 9 Jan 2022.
2019
Ologies with Alie Ward — Lupinology (WOLVES) with Dr. Bridgett vonHoldt
Host Alie Ward. Released 19 November 2019.