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Table 1 Parameter estimates of the traits explaining variation in nest level productivity (0–3 chicks per breeding attempt, N = 380 nests), controlling for the month of egg-laying. GLMM fitted with quasi poisson family and log-link function

From: Is multiple nest building an adequate strategy to cope with inter-species nest usurpation?

Fixed effects:

Parameter estimate ± SE

t- value

Pr(>|t|)

Egg-laying month

–0.08 ± 0.02

–3.73

0.007

Nest g-score: Geese present a(n = 283)

0.11 ± 0.09

1.17

0.282

 Nest harassment (n = 172)

–0.17 ± 0.11

–1.49

0.180

 Nest usurpation (n = 102)

–0.68 ± 0.13

–5.35

0.001

(Intercept)

0.92 ± 0.15

6.17

<0.001

  1. aNo geese present was the reference category