RT @DamienFarine: @FHillemann et al. observed higher call rates in the AM than in the PM. Why do birds stop calling? It isn't because other…
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@FHillemann et al. observed higher call rates in the AM than in the PM. Why do birds stop calling? It isn't because others stop listening (as we suggested in https://t.co/6oLSKIijfA), but because the benefits of calling diminish as group size increases: ht
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RT @biotweeps: Starvation risk is highst in the morning,tits balance predation & starvation risk by food searching early in the day https:/…
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RT @biotweeps: Starvation risk is highst in the morning,tits balance predation & starvation risk by food searching early in the day https:/…