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‘Most successful breeding year in decades’ for marsh harriers at nature reserve

UK News | Published:

It is thought that lockdown helped the birds at the National Trust’s Wicken Fen Nature Reserve in Cambridgeshire.

At least a dozen marsh harrier chicks have successfully fledged at a nature reserve in the “most successful breeding year in decades” for the species there.

It is thought that lockdown helped the birds at the National Trust’s Wicken Fen Nature Reserve in Cambridgeshire.

Rangers witnessed four nests of chicks successfully fledge and believe there may have been a fifth, but its location meant staff were unable to fully monitor numbers.

Two juvenile marsh harriers
Two juvenile marsh harriers (Richard J Nicoll/National Trust/PA)

In the 1970s, following years of habitat loss and persecution, there was believed to be just one nesting female in the whole country, according to The Wildlife Trusts.

A National Trust spokesman said 2020 has been the “most successful breeding year in decades” for marsh harriers at Wicken Fen, adding that lockdown “emboldened wildlife moving into places that would normally be busy with human activity”.

Martin Lester, National Trust countryside manager, said: “We’ve never seen marsh harriers nest this close to visitor areas on the Sedge Fen.

A juvenile marsh harrier
A juvenile marsh harrier (Richard J Nicoll/National Trust/PA)

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“It’s also been a great year for butterflies at Wicken Fen, with high numbers flying and the return of the marbled white at Oily Hall.”

Marsh harriers are the largest of the harriers and are identifiable by their long tails and V-shaped wings when in flight.

A marsh harrier male parent passing food to a juvenile
A marsh harrier male parent passing food to a juvenile (Richard J Nicoll/National Trust/PA)

A wildlife photographer later captured images showing the juvenile birds taking to the skies and catching food from their parents in mid-air.

Marsh harriers are amber listed, which is the second most critical conservation priority group.

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