Infact
74 / 100
Mostly True South America

The text states that female Anacondas strangle and eat males after mating to survive a seven-month fast during pregnancy.

Infact verdict: Mostly True (74/100).

Both claims about female anacondas engaging in sexual cannibalism and fasting during pregnancy are supported by medium reliability sources. This commonly reported behavior suggests these claims are likely true, providing energy for gestation and a prolonged fasting period.

March 19, 2026 Language: en 2 claims analyzed
How is this score determined? →

Individual claims

76
Mostly True Animal Behavior
Female Anacondas will strangle and eat the male after mating.
Web evidence supports that female anacondas sometimes consume smaller males after mating for energy during gestation. Sources include posts and articles explaining this behavior in the anaconda's natural reproductive cycle.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 85
Web Consensus Weight 50
Source Quality Score 70
Source Quality Weight 25
Llm Reasoning Score 80
Llm Reasoning Weight 25
Weighted Total 76
Evidence Summary Multiple web sources confirm female anacondas may eat males post-mating.
71
Mostly True Biology
Anacondas can survive seven months of fasting during pregnancy.
Evidence shows that anacondas have a long gestation period during which they may fast, utilizing consumed males' protein for sustenance. This long fasting and energy utilization are well documented in multiple medium-reliability sources.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 80
Web Consensus Weight 50
Source Quality Score 70
Source Quality Weight 25
Llm Reasoning Score 75
Llm Reasoning Weight 25
Weighted Total 71
Evidence Summary Web evidence supports that anacondas undergo fasting during gestation.

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