The top cock crows first.

The hierarchical nature of chicken society is well known (cue “pecking order” joke). But did you know it even controls behaviors as deeply rooted as crowing at dawn? Well, this study suggests just that: these scientists got up very early over many days to watch groups of chickens and recorded who crowed when. The researchers found that even when other roosters are awake and raring to crow, they will wait until the highest-ranked rooster crows first. But if the top-ranking cock disappears, th

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