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Mediterranean Gull

- Robert Busby

photo:Oran O'Sullivan Mediterranean Gull (in Latin 'Larus melanocephalus', which confusingly means Black-headed Gull) has only established itself as part of the Irish avifauna within the past few decades. Originally it was just a scarce winter visitor to our shores, but in recent years numbers have grown and the species can now be found year-round.

The bulk of the world population breeds in coastal lagoons and salt marshes around the Black Sea, and it wasn't until as recently as 1996 that the species successfully bred in Ireland. Before that the nearest breeding grounds were in the Netherlands and the south of England.

Most of the Mediterranean Gulls that winter in Ireland depart in mid April for Holland and begin to arrive back to these waters in early July. These birds tend to frequent rocky points along the coast in a few parts of Ireland, and sometimes will join with flocks of Black-headed Gulls to feed. Not all the birds leave us, though: in the past few years breeding has been reported from gull colonies in the south of the country, and it is to be hoped that this species will become steadily more widespread.

In my opinion this is perhaps the most handsome gull in the country, with adults showing very pale bluish-grey upperwings with white tips - quite striking when the birds are engaged in their characteristic fast yet effortless flight. Just as striking are the bright crimson bill and dark red legs (dark brown in younger birds) and the chunky, thick-set build. Adults begin to acquire their stunning jet-black hoods (and jet-black they are, unlike the chocolate-brown hood of the so-called Black-headed Gull) by around the beginning of March. This is part of their splendid summer plumage, and it begins to fade again by about mid August to reveal the white head and dusky black eye-mask that the species exhibits through the winter.

We are very lucky here in the South Dublin Branch: the most reliable place in the country to see these wonderful birds is on the rocks at Scotsman's Bay in Sandycove, just a stone's throw from the Kingston Hotel where we hold our monthly meetings. The best viewing points are near the small gateway off Burdett Avenue, the far end of the bay near the Martello Tower and at the old baths in Dún Laoghaire. Individuals are also frequently seen flying near both of the piers. Although the highest counts are generally in late July and early August, when up to 23 birds have been reported in the area, high numbers are usually also present through the winter months. They are best seen from late morning to mid afternoon, with the best views generally at low to middle tide when they tend to loaf about on the rocks. It can take a bit of practice to pick them out from the other gulls at first, but it is well worth your while getting to know this magnificent bird.

- Robert Busby

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