The skies above Wareham, Dorset, witnessed a significant moment for wildlife conservation this week as the first juvenile osprey of the season took its inaugural flight. The young female, identified as 6T6, fledged on Tuesday at 16:00 BST, marking a key milestone for the reintroduction programme aimed at establishing a self-sustaining breeding population on England's south coast.
6T6 is one of four chicks hatched in late May by parent ospreys CJ7 and 022 at a nest site near Wareham. This pair has proven highly successful, breeding for the third year in a row and rearing three young in 2023, four in 2024, and another four this year. Laying four eggs is considered a relatively rare occurrence for ospreys, highlighting the pair's productivity. All four chicks, which were ringed on 1 July, are presumed to be female.
Conservationists from the Birds of Poole Harbour charity scaled a 30-metre tree to reach the nest, where the chicks were weighed and measured as part of ongoing monitoring efforts. According to Paul Morton, founder of Birds of Poole Harbour, juvenile ospreys typically return to the nest multiple times a day for about a month after their first flight to continue being fed by their parents.
The reintroduction programme, a collaborative effort between Birds of Poole Harbour and the Roy Dennis Wildlife Foundation, commenced in 2017. Its goal was to re-establish ospreys in an area where they had been absent as a breeding species for 180 years. Between 2017 and 2021, up to 14 osprey chicks were relocated annually from Scotland and released into the Poole Harbour area, gradually building the foundation for the current breeding success.
Once the juveniles are strong enough, they are expected to embark on their first migratory journey between August and September, travelling to West Africa. They typically remain there for a few years before returning to Dorset when they reach maturity and are ready to breed themselves. In addition to CJ7 and 022's brood, a second breeding pair, male 374 and female 1H1, are in their second year of breeding and have successfully hatched three healthy chicks this season, all believed to be male.