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the claim

El Nino events have caused sharp declines in Humboldt penguin populations in Peru by reducing the fish they feed on.

the verdict
INSUFFICIENT LEANING
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.

Is it true that El Nino events have caused sharp declines in Humboldt penguin populations in Peru by reducing the fish they feed on?

Unclear. Only one placed source bears on the claim: an Audubon magazine article reporting that an intense El Nino weakened the Humboldt Current and that breeding pairs at a central Chile colony fell 55-85 percent below average during a late-1990s event. That covers El Nino harming penguin breeding in Chile, not a fish-mediated decline in Peru, and the remaining items address other species or other causes.

Verdict: PARTIAL LEAN · 2 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 · 2
The Humboldt penguin in Peru
1984
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Hays, C. (1984). The Humboldt penguin in Peru. doi.org. https://doi.org/10.1017/s0030605300018767

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More for · 1
Why Humboldt Penguins Are Rapidly Declining—and How LED Nets Can Help Save Them | Audubon
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Why Humboldt Penguins Are Rapidly Declining—and How LED Nets Can Help Save Them | Audubon. (n.d.). audubon.org. https://www.audubon.org/magazine/why-humboldt-penguins-are-rapidly-declining-and-how-led-nets-can-help-save-them

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