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51
Mixed

Beavers do not teach their young to build lodges and dams; they know how to do this from birth, which is called genetic memory.

Infact verdict: Mixed (51/100).

The claims about beavers' building behavior and genetic memory are partially supported by evidence. Beavers have innate skills for building but also learn from observing their parents. The concept of genetic memory is debated and not universally accepted as a scientific fact. Therefore, the claims are rated as mixed or uncertain.

July 07, 2026 Language: en 3 claims analyzed

Individual Claims

52
Mixed Science
Beavers do not teach their young how to build lodges and dams.
Evidence suggests that while beavers have innate building skills, they also learn from observing their parents. This indicates a combination of instinct and learning, making the claim partially true.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 60
Web Consensus Weight 50
Source Quality Score 50
Source Quality Weight 25
Llm Reasoning Score 40
Llm Reasoning Weight 25
Weighted Total 52
Evidence Summary Web evidence indicates beavers learn from parents but also have innate skills.
56
Mixed Science
Beavers know how to build lodges and dams from birth.
Beavers are born with instinctive construction skills, but these are honed through observation and experience. This suggests a mix of innate ability and learned behavior.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 65
Web Consensus Weight 50
Source Quality Score 60
Source Quality Weight 25
Llm Reasoning Score 40
Llm Reasoning Weight 25
Weighted Total 56
Evidence Summary Web evidence supports innate skills but also learning from parents.
46
Mixed Science
This is called genetic memory.
Genetic memory is a debated concept and not universally accepted as a scientific fact. It suggests inherited behaviors, but evidence is not conclusive.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 50
Web Consensus Weight 50
Source Quality Score 40
Source Quality Weight 25
Llm Reasoning Score 40
Llm Reasoning Weight 25
Weighted Total 46
Evidence Summary Genetic memory is a debated concept with limited evidence.

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