The moon's light changes how much food night-migrating birds can find, which affects their energy levels during travel.
Evidence from Studies
Supporting (2)
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The lunar cycle drives migration of a nocturnal bird
The study shows that nightjars hunt more when the moon is bright, which helps them gain more energy for migration. This supports the idea that moonlight helps these birds find food at night.
Torpor in Dark Times: Patterns of Heterothermy Are Associated with the Lunar Cycle in a Nocturnal Bird
The study shows that these birds only hunt when there's moonlight and save energy by going into a hibernation-like state when it's dark, which supports the idea that moonlight helps them manage their energy by affecting when they can eat.
Contradicting (0)
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Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.