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The herd calendar
Rain shifts these windows by a fortnight either way; we track them season by season.
- December to March — calving on the southern plains and Ndutu, peak predator action
- April to June — the long rains push the herds north-west through the corridor
- July to October — Mara and Grumeti river crossings in the northern Serengeti and Maasai Mara
- November — short rains turn the columns south again







