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Spot the Oystercatcher

Oyster Catcher adult

We’ve had a number of regular sighting of Oystercatchers during the last few months and we were hopeful that some of them would be breeding pairs.

We had no luck at spotting the nests as oystercatchers are notorious for keeping them well hidden but we knew their favourite haunts.

This week on our regular bird walk we spotted that there were a few more than normal. If you look closely at the photo below you should be able to see the successful parents with their two oyster youngsters. The young at this age have smaller and darker beaks, darker legs and browner back feathers. Well done the oystercatchers and good luck spotting them below.

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Flat Holm Island Gull Ringing Weekend

For the last 30 years the Flat Holm Project has successfully been operating a gull ringing exercise to study the lifespan and the migratory habits of our resident Lesser Black Backed Gull colony, and this year is no different.

Last weekend the island team were delighted to welcome Richard and James (our professional bird ringers) along with their current trainees and several members of the Flat Holm Society. The brief, as normal, was to ring 100 of the young gull chicks before they are ready to depart the island following the breeding season.

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Above: Richard and Lynda fitting a ring to one of the chicks

Each chick is fitted with a coloured PVC ring marked with a unique alphanumeric code on their left leg, and a corresponding smaller metal ring on their right leg. Each member of the group was able to sample each stage of the process, from catching the gulls to actually fitting the rings. Other members of the group were also able to spend time searching the colony for gulls that have been ringed in previous years.

Choosing the “correct” chicks to ring was a very important part of the process, as it is in the interests of the exercise as a whole that they are able to survive into adulthood. This ruled out choosing the smaller and weaker chicks despite them being far easier to catch!

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Above: Dan with one of the chicks that the team ringed. Its green and white ring reads 4TF.

With everybody having a great time and all 100 rings being applied throughout the colony the weekend can only be regarded as a complete success, and hopefully the gulls that we have ringed will go on to be re-sighted both here and abroad in the years to come.

Two of a kind

We’ve known that the Island has reported sightings of common lizards (Lacerta vivipara) in the past, but in the last few years they’ve been so shy that some believed it had been a joke played on the warden with a plastic lizard on a bit of string. Well, we now have photographic proof! Earlier in the year Matt spotted a lizard basking near the lighthouse, so we all began to keep a little eye out and soon enough we spotted it again and asked it to pose for a mug shot. For a few weeks after we kept an eye out but there was no sign of anyone at home. We had begun to wonder whether the Island only had one lizard ?

Female common lizard

Then we struck lucky, and got another mug shot in the same spot. When we compared them we could clearly see that not only do we have two separate lizards on the Island but that they are male and female. The male and female common lizard can be separately identified by a number of characteristics. The female is often lighter in colouring with stripes and a larger belly whilst the male is much darker with more spots. Our female is also missing a claw on the front left foot. Common lizards can also be sexed by the colour of their undersides but ours are still a bit shy for this yet.

Male common lizard

Male common lizard

We can only hope that these two are a breeding pair and that more are hiding in the rocks. We are going to continue to watch this and other favoured spots around the Island so hopefully we can build up a photo portfolio for the common lizard population on the Island.

Wildlife Highlights

Its been a quiet week with only one visitor trip this week, another was cancelled due to high wind making the landing difficult.  Its given the warden team, the time we needed to get our flock of sheep in and shear them all ready for the ‘hot’ days ahead of us.  This was a very tiring job but very satisfying upon completion, it was showers all round afterwards.

It also gave us the time to search for some of the more elusive wildlife that shares Flat Holm with us.  We have seen an explosion of caterpillars across the island, particularly on the hawthorn bushes, with Lackey moths and Brown Tailed moth caterpillars putting in an appearance.  Caution should be advised around the Brown Tailed moth caterpillars as they can cause allergic reactions in certain people.  The Lackey moth caterpillars have a beautiful range of colours across there backs, looking like a 70s rug!!

The beetle highlight is Geotrupes vernalis, a widely distributed species in Britain, commonly seen in sandy, sunny places.  It lives in dung, and also in carrion and rotting fungi.  This was seen in Johns Plot.

My favourite wildlife spot of the week was the Common Lizard.  It is very rarely seen here, with some people not believing me when I said they were living on Flat Holm.  They have become a regular sight lately, around the Barracks in at least 3 separate areas, coming out to bask during these wonderful sunny days we are having.  They like to come out basking on rocks or wood that has heated up with the morning sun, if you are careful when approaching they won’t run off straight away.  They will sometimes sit there long enough to get a wonderful photo as shown.

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Flat Holm Gull Count

Ray & Stuart, Gull CountingThe annual Gull Count on Flat Holm took place last weekend, luckily we had some very good weather for it.  Cardiff Sea Safaris managed to bring out 6 willing volunteers from the Flat Holm Society to assist, unfortunately they were unable to do the sail around for the cliff count due to the rough water at the landing stage.  We will attempt to do this at the lowest tide tomorrow by walking around and see if we can get an accurate cliff count this year as well.

We had some new faces and some old hands at bird counting, it was my 4th year of being involved with this particular count.  Essential supplies are boiler suit, gloves, tin of spray paint, hard hat and that all important tea towel for back of neck protection.  Don’t want gull poo sliding down your back now, that can really ruin the experience.  🙂

It involves walking every inch of the gull colony side of the island which is split into 5 different sectors and counting every single nest you can find.  We split into teams of 2 or 3 and select our sector,  then methodically search every inch, putting a mark near every nest we find.  It is important to look under every bush and nose into the buildings where safe to do so.  Obviously the gulls don’t particularly like this intrusion but its necessary to monitor the health of the colony and usually takes about 4 to 5 hours.

Once we have done the first count, one person from a different sector walks through yours and counts the first hundred nests they see marked or unmarked and from this we get our error rate and can correct the first count, making it even more accurate.

We got well and truly covered, I took a direct hit to my clipboard within minutes of entering the colony, which my team mates found hilarious, luckily I had some spare paper in my pocket, always prepared!

We had a final tally of 3606 Lesser Black Backed Gull nests and 5 Herring Gull nest on the island top, down slightly on last year but we hope the cliff count when done will bring this number back up.

Thank you to all the volunteers involved this year, it was a huge success.  Fingers crossed for good weather when we come to do the Gull Ringing in July.

Photo: Ray and Stuart helping me in sector ten.

Matt

Warden

A Wonky Goodbye

Wonky GoodbyeBorn on Flat Holm & moved to Swansea 1st May 2013.

Wonky is nearly two years old now and on his second set of horns, after pulling his first off.  He was born to a ewe named Roswell, unfortunately she produced no milk and so he ended up in a box in the boot room.  He was a very demanding youngster and soon became a firm favourite opt most island staff and all island visitors.

He was named Wonky because he had an ear nibbled by his mum but it soon righted it self.  He has spent his two years having numerous adventures across the island including helping out on Society working days, being rescued off the cliffs by a RIB and trying in vain to gain access to the agri-shed and farmhouse.  He has left the island no due to the upcoming Winter closure.

Good luck in your new home.

A poem by Philip Gross

This poem is taken from a book called The Water Table by Philip Gross.  The book is a meditation on the landscape around the Bristol Channel.  It won the T.S. Elliot prize in 2009.  I like to think that Philip was looking at Flat Holm when he wrote this poem.  He now lives in Penarth.  I would like to thank Bloodaxe Books for providing permission to reproduce this poem.  The book can be purchased from Amazon by clicking HERE!  

The Moveable Island