The highest-ranking rooster has priority to announce the break of dawn

Article English OPEN
Tsuyoshi Shimmura ; Shosei Ohashi ; Takashi Yoshimura (2015)
  • Publisher: Nature Publishing Group
  • Journal: Scientific Reports, volume 5 (issn: 2045-2322, eissn: 2045-2322)
  • Related identifiers: pmc: PMC4512148, doi: 10.1038/srep11683
  • Subject: Article

The “cock-a-doodle-doo” crowing of roosters, which symbolizes the break of dawn in many cultures, is controlled by the circadian clock. When one rooster announces the break of dawn, others in the vicinity immediately follow. Chickens are highly social animals, and they ... View more
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