The Effect of the Lunar Cycle on Stress Hormones and Foraging in Spiny Mice
Author Information
Author(s): Roee Gutman, Tamar Dayan, Ofir Levy, Iris Schubert, Noga Kronfeld-Schor
Primary Institution: Department of Zoology, Tel Aviv University, Tel Aviv, Israel
Hypothesis
Do stress hormone levels and foraging behavior in spiny mice correlate with the lunar cycle?
Conclusion
Both nocturnal and diurnal spiny mice showed increased stress hormone levels and altered foraging behavior during full moon nights.
Supporting Evidence
- Fecal cortisol levels were significantly higher during full moon nights.
- A. russatus foraged less efficiently during full moon nights.
- Both species exhibited behavioral changes in response to lunar phases.
- Stress hormone levels correlated with foraging behavior.
- Diurnal A. russatus also showed increased stress during full moon nights.
- Predation risk was inferred from changes in foraging patterns.
- Results suggest evolutionary constraints on behavior in diurnal species.
- Study highlights the impact of lunar cycles on rodent ecology.
Takeaway
Spiny mice get more stressed and change how they look for food when the moon is full.
Methodology
The study involved capturing spiny mice in the wild and measuring their fecal cortisol levels and foraging behavior during different moon phases.
Potential Biases
Potential biases from the artificial setting of enclosures and the limited sample size.
Limitations
The study was conducted in specific enclosures and may not fully represent natural conditions.
Participant Demographics
The study focused on two species of spiny mice: Acomys cahirinus (nocturnal) and Acomys russatus (diurnal).
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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