The Larger the Egg, the Safer the Nest: A Study on the Negative Correlation Between Nest Predation Rates and Egg Size of Two Tropical Phasianids in Hainan.

Ecol Evol · 2026 · PMC13158515 · PMID 42125746

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closest p · 2.0× alpha

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The sentences

did not reach statistical significancep = 0.100so close (0.05 < p ≤ 0.1)

LRT showed that the interaction term between egg size grade and study area did not reach statistical significance ( χ 2 = 6.26, df = 3, p = 0.100), but was close to marginally significant.

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may be significantno p-value reported

Medium‐sized mammals were the primary nest predators, followed by birds, while snakes may be significant predators.

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marginally significantno p-value reported

The differences between grade 1 and grade 2 (OR = 3.81, p = 0.080) and between grade 3 and grade 4 (OR = 3.34, p = 0.078) were marginally significant.

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a decreasing trendno p-value reported

The results showed that the predation rates for small eggs, medium‐small eggs, medium‐large eggs, and large eggs were 83.3% ± 5.8%, 65.1% ± 7.3%, 51.2% ± 7.8%, and 26.8% ± 6.9%, respectively, exhibiting a decreasing trend, indicating a negative correlation between egg size and nest predation rate.

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