Dee Estuary

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May, 2011

  • Dee Estuary

    A strange streak of luck

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    Water vole’s odd hairdo puzzles experts...

    A water vole with a distinctive difference has been caught on a hidden camera at RSPB Dee Estuary nature reserve on the Wirral.
     
    This curious cutie has a Mohawk-style white stripe on the top of its head, leaving experts scratching their own heads for an answer.  
     
    Even more intriguing is the fact that almost four years ago a visitor took a picture of a water vole with the same strange white stripe. Experts are baffled as to whether this is the exactly the same water vole or whether it is one of its offspring.
     Picture by L. Greenstreet
     
    Tim Melling, RSPB casework and species protection officer said: “It’s fascinating to see this as such a small and distinct amount of partial albinism is very rare. There is a chance that this could be exactly the same individual, albeit a very old one, as they usually only live for about five months in the wild and generally for no more than three years.” 
     
    He adds: “On the other hand, it could also be related to the one which was seen previously, as genes for partial albinism can persist for a while until natural selection sees them off. With this particular case we may never find the correct answer.”
     
    Water voles are very shy and seeing them is very difficult, you’re more likely to hear a ‘plop’ or see a pile of poo. The latest footage was taken using bespoke hidden stealth cameras developed by Ron Thomas ARPS and was put in place to show how conservation work is benefitting these rare mammals.
     
    Water voles are legally protected in Britain and recent evidence shows that they have suffered a long-term decline in numbers, with disappearance from 94% of their former sites. Predation by the introduced American mink has had a severe impact on water vole populations as well as habitat degradation and pollution.
     
    The part of the nature reserve which is home to water voles has recently undergone large scale wildlife conservation management work by the RSPB. This exciting project includes the building of new visitor facilities and will be finished and open to the public as ‘RSPB Burton Mere Wetlands’ later in the year. This work has been carried out with generous funding from the Heritage Lottery Fund, The Rural Development Programme for England, WREN, SITA Trust, BIFFaward, Natural England and English Heritage. 
     
    To find out more about RSPB Dee Estuary nature reserves please visit www.rspb.org.uk/deeestuary or phone 0151 336 7681.

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  • Dee Estuary

    A nice bit of Ruff ...

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     With the weather taking a turn for the worse birding has become slightly moe difficult as birds take refuge (getting decent pictures has been even tougher!).  So as soon as the clouds broke I popped down to the hide where this stunning looking male ruff was waiting to have its picture taken. 

    This striking individual is a fantastic example of how much wading birds can change their plumage as they enter the breeding season.   This amazing species have several colour variations amongst the males and the different colour variants behave differently on their breeding grounds - Individuals with this black variation are typically dominant and territorial at the 'lek'.   

     Keeping him company were a single redshank and approximately 400 black-tailed godwits.    With the water level having again been lowered these godwits like nothing better than probing there long bills into the exposed soft mud whilst making full use of the gangly legs to walk further into the water than other waders.

    Other waders seen taking adavantage of the muddy conditions at the hide recently include sanderling (coming into breeding plumage), ringed plover, little ringed plover,snipe and dunlin. 

    In other news their are a pair of oystercatchers and a pair of avocets whilst a couple of hobby and a young male marsh harrier  have been seen hunting over the pools and surrounding areas. 

  • Dee Estuary

    Early Mornings on the Dee

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    Hello

     

    This time of year is very busy as early morning breediig bird surveys begin as early as 7am! 

     

    Redshank surveys have started out on the marsh with skylarks, reed bunting, oystercatcher and meadow pipits all recorded displaying over our plots.

     

    A volunteer and I had amazing views of a short eared owl just behind the Decca one morning and it has been seen there a couple of times since so keep an eyes open - great views over these pools can be had from the marsh road so there is no need to go onto the marsh. 

     

    Lapwing surveys have also begun with birds on nests recorded in both the Denhall and Decca compound. Sheep will be kept out of the Decca compound now until after the breeding season to prevent damage to the nests. But due to it also being lambing season the Denhall compound will be used for new mothers to bond with their lambs before being turned on to the marsh ‘at large’!

     

    Lapwings are also busy displaying over IMF2 with 12 pairs, and a nest of chicks seen :-) Two pairs are showing interest in the area sown with barley so hopefully this will be a successful crop for breeding birds! However, I am concerned with the lack of rain as IMF2, with its sandy soils, is very dry meaning that the barley is not growing and that the shallow ditches which the lapwing rely on are empty. This dry spring may have a detrimental effect on breeding wetland birds, and of course on our crops!

     

    For those of you with a thirst for gardening, our Thursday volunteer Derek has been very VERY busy sifting through Colin’s old compost bins containing organic waste from the last 20years! It is well aerated, lovely and dry and has been bagged with a recommended donation of £1.50 per bag and remember all proceeds go to a good cause J

     

    600 ewe lambs were turned out and shepherded out to the north of the marsh by Square End where there are some dense areas of couch grass. They will stay out now until shearing time in 6-8 weeks so hopefully they will make their mark and improve the habitat in that time. There are only 30 of the 1000 lambing sheep left to lamb now so things are slowing down.

     

    Easter Sunday saw us collecting litter washed up by the high tides at Parkgate – Colin rewarded our hard work with ice creams. Worth coming to help next year!

     

    Stone is still being shifted with the saying 'many hands make light work' being oh so very true so do give us a ring if you are feeling fit!

     

    My big news is that I have broken my leg so I won't be around for a while. If any of you are heading my way in north Wales I am always pleased to have visitors and hear any gossip in the rest of the world!

     

    Other recent bird news - 2 Marsh Harrier (1 young male) ... 2 spotted redshank (summer plumage) ... 1 little ringed plover ... 1 hobby ... 3 lesser whitethroat ... 2 avocet ... 2 oystercatcher ... 2 Bullfinch (feeding Station) ... 2 Cetti's Warbler (Neston Reed bed) ... Osprey (Point of Ayr) ... And finally we had an unexpected visit from a sacred ibis - beleived by many to be form the feral French population!

     

    See you soon, Rhian

     

    Rhian Pierce

    Farmland Warden

     

     

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