Fact Check: Mountain lion name itself is a misnomer since pumas are actually more related to domestic cats than lion

Fact Check: Mountain lion name itself is a misnomer since pumas are actually more related to domestic cats than lion

Published July 14, 2025
by TruthOrFake AI
VERDICT
True

# Fact Check: "Mountain lion name itself is a misnomer since pumas are actually more related to domestic cats than lions" ## What We Know The claim t...

Fact Check: "Mountain lion name itself is a misnomer since pumas are actually more related to domestic cats than lions"

What We Know

The claim that mountain lions (Puma concolor) are more closely related to domestic cats than to lions is supported by scientific classifications and studies. Mountain lions belong to the family Felidae, which includes both large and small cats. Within this family, mountain lions are classified under the genus Puma, which is distinct from the genus Panthera, where true lions (Panthera leo) are categorized (US Forest Service, Wikipedia).

Research indicates that the evolutionary lineage of mountain lions places them closer to smaller felines, including domestic cats (Felis catus), than to larger felines like lions. Specifically, a study noted that mountain lions share a more recent common ancestor with domestic cats than with lions, highlighting their closer genetic relationship (Project Coyote, Wildcat Family).

Analysis

The assertion that the name "mountain lion" is a misnomer is valid when considering the taxonomic classification of these animals. The term "lion" in their common name can be misleading, as it suggests a closer relationship to true lions than is scientifically accurate. The mountain lion is indeed part of the Puma genus, which diverged from the lineage that led to the Panthera genus, which includes lions, tigers, and leopards (Wikipedia, US Forest Service).

The reliability of the sources used to support this claim is high. The US Forest Service and academic articles provide peer-reviewed information, while reputable wildlife organizations and encyclopedic entries corroborate the findings. The Project Coyote source, which specifically mentions the genetic relationship between mountain lions and domestic cats, adds weight to the claim by presenting scientific evidence (Project Coyote, Wildcat Family).

Conclusion

Verdict: True
The claim that mountain lions are more closely related to domestic cats than to lions is accurate based on their taxonomic classification and genetic studies. The term "mountain lion" can indeed be considered a misnomer, as it implies a closer relationship with true lions than is scientifically supported.

Sources

  1. Mountain lion, Puma concolor - US Forest Service Research and ... Link
  2. The Mountain Lion Link
  3. Cougar Link
  4. Puma (genus) Link
  5. About Mountain Lions Link
  6. Puma Lineage - Cheetah, Jaguarundi and Puma cats Link
  7. Mountain Lion Profile - Project Coyote Link
  8. Cougars, Pumas, Panthers, And Mountain Lions: What’s The ... Link

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Fact Check: Mountain lion name itself is a misnomer since pumas are actually more related to domestic cats than lion | TruthOrFake Blog