The Wildlife Calendar
Atlantic puffins come ashore to breed on rocky island colonies around Britain, particularly the Farne Islands, Skomer, and various Scottish islands. Colonies are at their most active in June and July.
Farne Islands, Skomer & Scottish Islands, UK
The annual migration of over 1.5 million wildebeest, 200,000 zebra, and 350,000 gazelles across the Serengeti-Mara ecosystem. The river crossings at the Mara River in July–August are among the greatest wildlife spectacle…
Serengeti, Tanzania & Maasai Mara, Kenya
On warm, humid days in late summer — typically one to three days each year — millions of flying ants emerge for their nuptial flight. The phenomenon is most intense along the south coast of England.
South Coast, England
Swifts are among the first summer migrants to leave Britain, departing from late July and early August on their long journey back to Africa.
England & Wales, UK
By late summer, ospreys begin their southward migration back to West Africa, with juveniles following their parents on their first migration.
Scotland & Wales, UK
Each autumn, hundreds of millions of monarch butterflies undertake an extraordinary migration from Canada and the northern USA to their overwintering grounds in the mountains of central Mexico.
North America (Canada to Mexico)
Aug 2025
Days with community sightings
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