Certain non-human animal species undergo menopause

the verdict

SUPPORTED

the evidence backs this

Recorded sources

2 sources for · 0 against

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

Certain non-human animal species, such as humans and select cetaceans and primates, are well-documented to undergo menopause and experience an extended post-reproductive lifespan.

The analysis

The claim is specific, empirical, and well-supported by biological literature indicating that select non-human species (like killer whales, pilot whales, and certain primates) experience menopause.

Evidence for · 2

Menopause has not evolved as a general trait in mammals: A response to ‘Do mammals have menopause?’

Recorded source metadata

Simon N. Chapman, Samuel Ellis, Mirkka Lahdenperä, Darren P. Croft, Virpi Lummaa. Menopause has not evolved as a general trait in mammals: A response to ‘Do mammals have menopause?’. 2024. https://doi.org/10.1101/2024.02.29.582687

This paper notes that while menopause is rare, a small number of mammal species exhibit physiological reproductive cessation and an extended post-reproductive lifespan.

Source citation format

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More for · 1

Lack of intergenerational reproductive conflict, rather than lack of inclusive fitness benefits, explains absence of post-reproductive lifespan in long-finned pilot whales

Recorded source metadata

Jack L McCormack, Kevin Arbuckle, Karen Fullard, William Amos, Hazel J Nichols. Lack of intergenerational reproductive conflict, rather than lack of inclusive fitness benefits, explains absence of post-reproductive lifespan in long-finned pilot whales. 2023. https://doi.org/10.1093/beheco/arad062

This paper discusses the life-history theory and acknowledges that females of a small number of mammals live for a significant period after ceasing reproduction.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 8001 Aug 2026

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