Fig. 3From: Temperature and microclimate refugia use influence migratory timings of a threatened grassland birdGLMM results for the predictors of departure date from the breeding areas. Variable significancy is shown: ** p < 0.01; * 0.01 < p < 0.05; others, p > 0.05. Positive effects are shown in blue, negative effects in red and not significant effects in blackBack to article page