Good British bittern news


This is a bittern video from Belarus.

From the RSPB in Britain:

Booming bird bounces back

Last modified: 15 December 2014

Bitterns, elusive heron-like birds once extinct in the UK, have had a record year in England with the highest number of individuals recorded since the 1800s, thanks to support from an EU conservation programme. Government figures recently showed many threatened species are still declining, but this story demonstrates that it is possible to bring back species from the brink.

Funding from the European Union’s LIFE-Nature programme, which supports environmental and nature conservation projects, has allowed a partnership of organisations including the RSPB to successfully create and restore wetland habitats for bitterns and other wildlife.

… The main ‘special conservation measure’ available is designation and appropriate management of the key breeding and wintering sites as Special Protection Areas (SPAs). For example, the North Norfolk coast is part of a network of bittern SPAs in the UK, five for breeding birds and ten for wintering birds. SPA status means that a site has robust protection from potentially damaging land-use change.

Male bitterns have a unique way of declaring their territories, pumping air through their throats to produce a loud “booming” sound. This reverberates across the marshland for several miles, earning the bittern old country nicknames like “miredrum”. The shy, well-camouflaged birds are extremely difficult to find so bittern numbers are calculated by the numbers of booming males heard among the reeds. Each year an army of volunteers, landowners and nature reserve staff spends many hours tracking down the birds while they are booming. In 1997, at the start of the EU LIFE bittern project, they found 11 booming males at seven sites. In 2014, there were 140 “boomers” across 61 sites. 14 of these sites are current or former gravel pits, brick pits or open coal mines, demonstrating the important role restored quarries and similar sites can play in securing the long term future of bitterns and other wildlife.

RSPB Minsmere was the stronghold for this bird for many years. But with the effects of climate change such as loss of freshwater coastal wetlands in mind, conservationists realised that it would be better if a number of suitable habitats were available in areas that were safe from sea level rise, and spread across the country, to ensure the bittern’s future. A second set of funding from EU LIFE-Nature from 2002 to 2006 allowed the RSPB and others to create more than 300 hectares of new reedbed, around the same size area as the City of London. In addition, 350 hectares of reedbed were restored, and nearly 40 km of ditches were restored or created across 19 sites. Now if a particular bittern population is struggling, there will always be birds from other locations to boost their numbers. This year, the highest number of bitterns were at RSPB Ham Wall, inland marsh habitat in Somerset, where 20 birds were booming from the reeds. Somerset now has England’s largest bittern population.

Further good news is that action for bitterns has also benefited other reedbed species such as water voles, great white egrets and rare small dotted footman moths. Functioning reedbeds also provide free services for people, including water filtration and flood mitigation.

RSPB scientist Simon Wotton said: “I’ve been working with bitterns for 10 years and it is wonderful to see how they have responded to the habitats we have restored for them. They’re amazing birds to watch so it is incredibly rewarding to see their numbers growing.”

Across the country many conservation groups and private landowners have worked together to bring bitterns back. For example, the National Trust at Wicken Fen, Natural England at Shapwick Heath, and Yorkshire Wildlife Trust at Potteric Carr. Other partners include Norfolk Wildlife Trust, Suffolk Wildlife Trust, Lee Valley Regional Park Authority, Herts and Middlesex Wildlife Trust, Sussex Wildlife Trust, Lancashire Wildlife Trust and Somerset Wildlife Trust.

Simon Clarke, Somerset National Nature Reserves Manager at Natural England said: ‘The Avalon Marshes in Somerset, including Natural England’s Shapwick Heath National Nature Reserve, now supports a thriving population with around 45 booming male bitterns and at least 20 recorded nests, whereas only seven years ago there were none. This impressive network of reedbeds and marshes has also supported breeding little bitterns and great white egrets in recent years, showing just what can be achieved through large scale habitat restoration in a short space of time.”

Building materials company Hanson and RSPB work together to create a large wetland reserve a few kilometers from bustling Cambridge. A heaven for bitterns and other rare wildlife is shaping up amidst intensive farmland, thanks to creative restoration work following extraction of gravel: here.

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