The total upland birds on the Red List now stands at 12 species. Out of a total of 244 breeding species , 67 species are now at risk which is 27% of the total rather than the 21% in the last survey. Only Bittern, Dunlin and Nightjar have been given the all clear and downgraded to Amber.
In addition three seabird species have been added to the Red list for the first time, all these breed in Shetland. The Puffin, Shag and Kittiwake may come as a surprise to some especially to those who just enjoy watching birds. Its been a well know fact that Kittiwake numbers have fallen at all sites around Shetland, many years ago the Kittiwake call was one thing that everyone who visited Sumburgh or Hermaness would have heard regularly, now its rare.
Puffins are everyone's favourite so this one may come as a shock and may gain support as it is one of Britain's most popular birds. Very few Puffins brought sand eels back to Sumburgh cliffs this year. Although the terns seem to bring back numerous eels down at Grutness a mile or so away.
Another bird I have enjoyed watching this year was Corncrake, which may have bred. This is another one declining with numbers dropping by a 1/5th with almost all areas being affected. They are normally short lived birds - 2 years, but numbers can recover quickly given the right habitat. Two birds took up territories in Shetland this year to my knowledge. On nearby Orkney 38 males called in 2014 but this dropped to 16 calling males in 2015.
Corncrake - South Mainland
Shags can easily suffer a bad breeding season as they are early nesters and often have nests washed out by high Spring seas and wet weather, this is often the case at Sumburgh. Britain supports 45% of the world population so its important that we understand how Global warming is affecting bird populations.
New plankton species brought into our seas due to Global warming is less suitable as food by Sand eels which are an important food source for Puffins, Guillemot, Razorbill, Kittiwake , Divers and Terns. Over 120 new species(inc lots of new insects) have been recorded in the UK since the 1990's as recorded by the RSPB, while others are now having to retreat northwards and may be lost from the UK list.
Arctic Tern dramatic decline in Shetland
For one, less King Eiders are seen in Shetland, more summering Long tailed duck could be seen in the 1980's and 1990's, they are very rare now. BTO surveys have indicated that northerly breeders are moving 3.3km further north each year. Birds such as Barn Owl, Nuthatch are quickly spreading into Scotland, these species very rare in the 1990's
A survey conducted by the BTO has indicated that the north has had a very poor 2015 breeding season. This is down to a cool wet spring and summer which has affected long distant migrants such as Willow and Sedge Warblers, these both have problems crossing the desert on migration.
Willow Warbler - Sumburgh
Whimbrel - A rare breeding Bird
Everyone can make a contribution by submitting records its easy enough to do when out walking and never assume that someone else has sent in records. The Shetland bird club has indicated in the past that most of their records relate to migrants (mostly rare) while common species go under recorded.
Post a Comment