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MERLIN THRIVE ON GROUSE MOORS

21st March 2014

merlinBRITAIN’S smallest birds of prey are flying in to nest on English grouse moors which have helped stave off their downfall.

A new study commissioned by the Moorland Association (MA) has found dramatic gains in merlin populations on globally recognised heather moorland managed by gamekeepers for wild red grouse.

Consultant ecologists, Penny Anderson Associates, have highlighted significant increases using respected British Trust for Ornithology (BTO) Atlas data.

The study assessed the distribution of breeding merlin in England. It found 78 per cent of records were on protected and conserved iconic heather landscapes keepered for red grouse.

More importantly, it suggests numbers of breeding records have doubled on grouse moors in the last 20 years, according to MA chairman, Robert Benson.

He added: “While the threatened species has done exceptionally well on land looked after by keepers, the beautiful birds are struggling in other upland areas, where breeding records have fallen by more than half in the same period.”

merlin_mapBTO data shows breeding records within 10 kilometre squares, making it possible to establish that where there are gamekeepers, there are four times more merlin.

The gains on grouse moors have helped maintain the protected bird’s population, rather than see it join the Red List’ of endangered species.

The results have been welcomed by MA members who manage over 850,000 acres of heather-filled land that is rarer than rainforest.

Mr Benson said he was very pleased that proper management of the moors had such a positive effect on merlin.

He explained: “Plenty of heather to nest in, a ready food supply and the control of merlin’s natural predators are the winning combination of grouse moor management.

“These lovely birds of prey with square-cut tails and pointed wings are doing well on our members’ land, but numbers are becoming perilously low elsewhere.

“That the work of gamekeepers has been recognised by this valuable study is praise indeed for their huge efforts, particularly as the nesting season gets underway.”

The Penny Anderson Associates report: Analysis of Merlin Breeding Data (2014) can be downloaded here.

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Did You Know?

75% of of the world’s remaining heather moorland is found in Britain – but this area declined alarmingly over the latter part of the last century. The Moorland Association was set up in 1986 to coordinate the efforts of moorland owners and managers to halt this loss, particularly in England and Wales.

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