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the claim

Coyote range in North America has expanded since 1900 while gray wolf range has contracted.

the verdict
INSUFFICIENT LEANING
Recorded sources
5 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 Coyote range in North America has expanded since 1900 while gray wolf range has contracted?

Unclear. Several peer-reviewed and reference sources document that coyote geographic distribution expanded across North America beginning around 1900, but none of the retrieved items addresses whether gray wolf range contracted over the same period. The evidence therefore covers only the coyote half of the claim.

Verdict: PARTIAL LEAN · 5 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 · 5
Coyotes have expanded their range to 49 states—and show no signs of stopping. | National Geographic
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Coyotes have expanded their range to 49 states—and show no signs of stopping. | National Geographic. (n.d.). nationalgeographic.com. https://www.nationalgeographic.com/animals/article/coyotes-expansion-north-america-wildlife-nation

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More for · 4
Mapping the expansion of coyotes (Canis latrans) across North and Central America
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Mapping the expansion of coyotes (Canis latrans) across North and Central America. (n.d.). cir.nii.ac.jp. https://doi.org/10.3897/zookeys.759.15149

2 recorded entries grouped as this source

Additional records of the same source are shown below. They are not counted as additional sources.

Mapping the expansion of coyotes (Canis latrans) across North and Central America
2018
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Hody, J. W. & Kays, R. (2018). Mapping the expansion of coyotes (Canis latrans) across North and Central America. doi.org. https://doi.org/10.3897/zookeys.759.15149

Data from: Mapping the expansion of coyotes (Canis latrans) across North and Central America
2019
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Data from: Mapping the expansion of coyotes (Canis latrans) across North and Central America. (2019). doi.org. https://doi.org/10.5061/dryad.1qp358p

Data from: Mapping the expansion of coyotes (Canis latrans) across North and Central America
2019
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W., H. J. & Roland, K. (2019). Data from: Mapping the expansion of coyotes (Canis latrans) across North and Central America. zenodo.org. https://doi.org/10.5061/dryad.1qp358p

Data from: Coyote diet in North America: geographic and ecological patterns during range expansion
2022
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Alex, J., Courtney, M., & John, K. (2022). Data from: Coyote diet in North America: geographic and ecological patterns during range expansion. zenodo.org. https://doi.org/10.5061/dryad.866t1g1t0

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