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the claim

Wolves and domestic dogs can interbreed and produce fertile offspring.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
7 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that wolves and domestic dogs can interbreed and produce fertile offspring?

Yes. Multiple peer-reviewed sources state that wolves and domestic dogs can interbreed and produce fertile offspring, and one reports German breeding experiments with poodles and wolves showing unrestricted fertility. Other items document wolf-dog hybridisation and gene flow but do not themselves address the fertility of the offspring.

Verdict: SUPPORTED · 7 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 7
Beyond wild and domestic: human complex relationships with dogs, wolves, and wolf-dog hybrids
2019
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Beyond wild and domestic: human complex relationships with dogs, wolves, and wolf-dog hybrids. (2019). hal.science. https://hal.science/hal-04364591v1

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More for · 6
Extensive interbreeding occurred among multiple matriarchal ancestors during the domestication of dogs: Evidence from inter- and intraspecies polymorphisms in the D-loop region of mitochondrial DNA between dogs and wolves.
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Extensive interbreeding occurred among multiple matriarchal ancestors during the domestication of dogs: Evidence from inter- and intraspecies polymorphisms in the D-loop region of mitochondrial DNA between dogs and wolves.. (n.d.). cir.nii.ac.jp. https://doi.org/10.1266/ggs.72.229

Widespread, long-term admixture between grey wolves and domestic dogs across Eurasia and its implications for the conservation status of hybrids.
2018
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M, P., C, G., BM, v., E, R., W, J., VE, S., MK, K., EA, O., & RK, W. (2018). Widespread, long-term admixture between grey wolves and domestic dogs across Eurasia and its implications for the conservation status of hybrids.. doi.org. https://doi.org/10.1111/eva.12595

Wolfdog - Wikipedia
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Wolfdog - Wikipedia. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Wolfdog

A legacy of genetic entanglement with wolves shapes modern dogs
2025
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Lin, A. T., Fairbanks, R. A., Barba-Montoya, J., Liu, H., & Kistler, L. (2025). A legacy of genetic entanglement with wolves shapes modern dogs. doi.org. https://doi.org/10.1073/pnas.2421768122

Living a dog’s life: a putative gray wolf in a feral dog group
2019
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Popova, E. & Zlatanova, D. (2019). Living a dog’s life: a putative gray wolf in a feral dog group. doi.org. https://doi.org/10.1515/mammalia-2019-0010

The Woof at the Door
2009
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The Woof at the Door. (2009). doi.org. https://doi.org/10.1511/2009.79.286

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