Abstract
WILDEBEEST (Connochaetes taurinus Thomas) herds numbering nearly 1 million (refs 1, 2) on the Serengeti Plains, Tanzania, produce about 80% of their young during a 3-week period in January or February3. This is short compared with the 2-month birth period of the wildebeest in South Africa4, or to the 3–4-month birth period of buffalo and other grazers in the Serengeti5. A suggested advantage for the closely synchronised wildebeest birth period is that it reduces the probability of hyaena (Crocuta crocuta Erxleben) predation on the young3,6–8. I report here evidence which suggests that the lunar cycle is the external timer for the synchronisation.
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SINCLAIR, A. Lunar cycle and timing of mating season in Serengeti wildebeest. Nature 267, 832–833 (1977). https://doi.org/10.1038/267832a0
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DOI: https://doi.org/10.1038/267832a0
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