DOCSLIB.ORG

Mediterranean Gull Little Gull

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Mediterranean Gull Little Gull Mediterranean Gull International threshold: 8,400 † Larus melanocephalus GB max: 90 Aug NI max: 3 Jan Three decades ago, Mediterranean Gull was a optional inclusion of this group during WeBS scarce visitor the UK and was just starting to counts should always be taken into account. be noted as a regular, albeit rare, breeding The Solent remains the most important area for species. The increase in the northwest this species with Brading Harbour staying as European population has been evident through the top site. Three birds at Belfast Lough and the expansion of birds throughout Britain from two at Lough Foyle represent the highest the traditional southeast stronghold. During numbers of Mediterranean Gulls ever recorded 2003/04 Mediterranean Gulls were recorded at by WeBS counts in Northern Ireland. 69 sites, compared to just 34 ten years ago. Mediterranean Gulls were reported from a total Surprisingly, the British maximum was of 60 sites during the Winter Gull Roost somewhat lower than in the previous two Survey in winter 2003/04 (BTO data). years. However, as with all gull species the 99/00 00/01 01/02 02/03 03/04 Mon Mean Sites with mean peak counts of 5 or more birds in Great Britain † Brading Harbour 51 35 28 126 57 Aug 59 Newtown Estuary 49 2 65 80 (15) Mar 49 13 13 Chichester Harbour (5) 36 4 (16) (1) Oct 20 Tamar Complex 27 28 14 30 0 20 Ryde Pier to Puckpool Point 15 16 8 45 9 Mar 19 Thames Estuary (7) 13 13 20 27 Sep 18 Swansea Bay 6 11 20 16 19 Jul 14 Camel Estuary 4 (3) (1) 8 25 Oct 12 North Norfolk Coast 10 (4) (6) (13) (1) Jul 12 Pagham Harbour (0) 1 0 16 6 Ribble Estuary 0 (0) 9 7 8 Mar 6 Burry Inlet (3) 3 (0) 7 (1) Oct 5 Foreland 10 8 3 1 4 Dec 5 Llanon and Llansantffraid 6 3 5 † as no British or All-Ireland thresholds have been set a qualifying level of 5 has been chosen to select sites for presentation in this report Little Gull International threshold: 840 Larus minutus Great Britain threshold: ?† All-Ireland threshold: ?† GB max: 450 Mar NI max: 1 Mar Little Gulls are principally recorded during Gulls, though the peak count here in 2003/04 passage periods with most winter records was deemed incomplete. Large numbers (up to coming from coastal sites; the Winter Gull 1,004) were also recorded passing offshore at Roost Survey only recorded Little Gulls at six Ness House Thorpeness, although these counts sites in winter 2003/04 (BTO data). High are not tabulated as they refer to birds moving counts at the Alt Estuary during 2003/04 through the site. Site peaks were most influenced the British maximum, which varies commonly recorded during autumn passage; greatly with coverage. Roost counts at Hornsea peaks in spring were only recorded at two Mere regularly record high numbers of Little sites, both on the northwest coast. 99/00 00/01 01/02 02/03 03/04 Mon Mean Sites of international importance in the UK 12 12 13 Hornsea Mere 46 163 3,150 1,350 (940) Aug 1,177 Sites with mean peak counts of 5 or more birds in Great Britain † Alt Estuary 67 2 80 218 430 Mar 159 Monikie Reservoirs 155 0 60 0 54 Eden Estuary 44 (1) 44 Tay Estuary (1) (0) (22) 50 36 Jul 43 150 99/00 00/01 01/02 02/03 03/04 Mon Mean North Norfolk Coast 41 (17) 70 9 38 Sep 40 Minsmere 1 2 (15) 73 Aug 25 13 Tophill Low Reservoirs 2 2 0 10 110 Aug 25 Forth Estuary 1 1 22 41 20 Oct 17 Benacre Broad 15 30 0 15 East Chevington Pools 4 29 3 Jul 12 Humber Estuary (1) (10) (0) (2) (12) Sep (12) Morecambe Bay 5 3 31 1 9 Mar 10 Lindisfarne 2 (0) 0 (0) 26 Oct 9 Dengie Flats 8 Sep 8 St Andrews Bay 8 8 Dungeness Gravel Pits (7) (0) (7) Staines Reservoirs 10 1 0 18 0 6 Loch Fleet Complex 2 4 4 5 8 Dec 5 Walthamstow Reservoirs 0 22 1 0 0 5 † as no British or All-Ireland thresholds have been set a qualifying level of 5 has been chosen to select sites for presentation in this report Black-headed Gull International threshold: 20,000 Larus ridibundus Great Britain threshold: 19,000 † All-Ireland threshold: ?† GB max: 223,715 Jan NI max: 16,178 Jan Black-headed Gulls are the most numerous 10,000 birds. The highest ever count at the gull species recorded by WeBS, national Thames Estuary warrants its position as the top maxima regularly surpassing 200,000 birds. As site during 2003/04. Two other sites qualified with the rest of the gulls their inclusion in as internationally important and one further WeBS counts is optional so the number of sites site as nationally important. Peak numbers at which they have been counted limits these recorded by WeBS occur in winter and, totals. Nevertheless, WeBS totals do indicate although only representing a small proportion the widespread distribution of this common of the national population, have been relatively species, the top two sites showing that it stable over recent winters. Results from the frequents both coastal and inland sites. Many Winter Gull Roost Survey counts show that of the counts presented here have been winter numbers have declined over the last obtained from the Winter Gull Roost Survey, decade (Burton et al. 2005) and this is which will provide a new population estimate reflective of the recent trend in its breeding for the species after 2005/06. Thus, more sites population (Seabird 2000: Mitchell et al. than usual have been identified as holding over 2004). 99/00 00/01 01/02 02/03 03/04 Mon Mean Sites of international importance in the UK Thames Estuary (18,250) (35,410) (22,911) 30,275 43,601 44 Jan 36,938 Chew Valley Lake 29,800 44 Jan 29,800 44 The Wash 31,403 (9,008) (16,136) (15,999) 17,582 Jan 24,493 Sites of national importance in Great Britain Lower Derwent Ings 19,900 44 Jan 19,900 Sites with mean peak counts of 10,000 or more birds in Great Britain † Queen Mary Reservoir 16,836 44 Jan 16,836 Ribble Estuary (12,450) (6,793) 24,460 (821) 7,419 44 Jan 15,940 Tophill Low Reservoirs 18,000 12,500 25,000 11,900 8,900 Nov 15,260 Church Wilne Reservoir 15,000 44 Jan 15,000 Morecambe Bay 17,670 (17,610) 7,795 (17,772) 12,574 Aug 14,684 Grafham Water 14,470 44 Jan 14,470 Humber Estuary 6,960 (3,264) (2,217) (363) 21,450 44 Jan 14,205 Poole Harbour 10,629 (10,162) (7,386) (12,461) 17,707 44 Feb 14,168 Forth Estuary (3,818) (16,521) (2,343) (2,195) 11,554 44 Jan 14,038 Bewl Water 400 800 33,000 12 200 31,000 44 Dec 13,080 Portsmouth Harbour (15,509) (14,247) 4,881 15,311 11 12,153 Dec 12,420 Southfield Reservoir 12,000 44 Jan 12,000 Eyebrook Reservoir 11,300 44 Jan 11,300 Severn Estuary (3,236) (4,478) (5,725) 9,209 11 13,139 44 Jan 11,174 151 99/00 00/01 01/02 02/03 03/04 Mon Mean 12 12 12 44 Pitsford Reservoir 10,000 10,000 10,000 12,000 10,000 Sep 10,400 44 Theale Gravel Pits (106) (262) (235) 10,000 Oct 10,000 Sites with mean peak counts of 1,000 or more birds in Northern Ireland † 11 11 13 11 11 Belfast Lough 4,028 7,496 8,986 5,503 7,095 Dec 6,622 Outer Ards Shoreline 8,040 3,290 4,945 5,113 Jan 5,347 11 11 11 Strangford Lough 2,767 3,588 3,503 3,518 3,388 Feb 3,353 Loughs Neagh and Beg 2,637 (4,036) 1,593 Mar 2,755 44 Lough Foyle 3,019 1,214 1,627 2,780 1,300 Jan 1,988 Larne Lough 2,639 942 2,060 733 831 Mar 1,441 † as few sites exceed the British threshold and no All-Ireland threshold has been set qualifying levels of 10,000 and 1,000 have been chosen to select sites, in Great Britain and Northern Ireland respectivley, for presentation in this report Ring-billed Gull Vagrant Larus delawarensis Native Range: N America GB max: 4 Jan NI max: 1 Nov Single Ring-billed Gulls were noted at seven previous winters and these figures are sites this year; Cromarty Firth, Hetton Lyons unexceptional compared to the previous few Park, Lough Foyle, Par Sands Pool, years. The only Ring-billed Gull that was Portsmouth Harbour, Swansea Bay and Taw- recorded by the 2003/04 Winter Gull Roost Torridge Estuary. Many of these records Survey was at Swansea Bay (BTO data). appear to involve the return of birds from Common Gull International threshold: 17,000 Larus canus Great Britain threshold: 9,000 † † All-Ireland threshold: ? GB max: 64,678 Jan NI max: 6,012 Aug Whilst in the summer Common Gulls are a most important current site in the country for more regular sight for WeBS counters in the the species (see WeBS News no. 18). As for northern half of Britain and Northern Ireland, all of the gulls five-year means are highly the species is widespread during winter and in dependent of the coverage and survey methods 2003/04 was recorded on almost 900 sites.
Load more

Recommended publications
  • Mediterranean Gulls Larus Melanocephalus Wintering Along the Mediterranean Iberian Coast: Numbers and Activity Rhythms in the Species’ Main Winter Quarters
    J Ornithol DOI 10.1007/s10336-011-0673-6 ORIGINAL ARTICLE Mediterranean Gulls Larus melanocephalus wintering along the Mediterranean Iberian coast: numbers and activity rhythms in the species’ main winter quarters Albert Cama • Pere Josa • Joan Ferrer-Obiol • Jose´ Manuel Arcos Received: 22 June 2010 / Revised: 23 December 2010 / Accepted: 14 February 2011 Ó Dt. Ornithologen-Gesellschaft e.V. 2011 Abstract Knowledge of the winter distribution of the which recent data are lacking. Information for the whole Mediterranean Gull Larus melanocephalus is poor. The study area was obtained from a systematic boat-based limited and geographically patchy data on the species’ survey over the continental shelf in 2003. Then, particular winter distribution is of concern because current estimates attention was paid to St. Jordi Gulf, a known hotspot for of the wintering population do not agree with those for the the species, where we studied the temporal patterns in global breeding population. We assessed the winter dis- abundance throughout the winter months, and daily tribution and abundance patterns of this gull in Mediter- activity rhythms, between 2005–2006 and 2008–2009. To ranean Iberia, a historically important wintering area for set our results in a global context, the available informa- tion of the winter range of the species was collated and synthesised. The results indicate that the Iberian Medi- terranean coast is the main winter quarters of the species. An average population of ca. 41,000 individuals was Communicated by P. H. Becker. present in the area, representing approximately half the Electronic supplementary material The online version of this 86,311 individuals (range 50,747–121,875) recorded article (doi:10.1007/s10336-011-0673-6) contains supplementary across the whole of the species’ winter range.
    [Show full text]
  • Mediterranean Gull
    RSPB Belfast Local Group: - Presentation Monday September 7 2020 by Zoom www.nibirds.blogspot.com Daily sightings of birds in NI, with or without photos. Nird pics at: www.nibirdpics.blogspot.co.uk www.nibirds.blogspot.com Bird News Tuesday 1st September Osprey eating a fish on the shoreline off Castle Espie at 2:10pm (Ross McIlrath) Sandy Bay, Larne had 2 Curlew Sandpipers and a Sanderling (Gerard McGeehan / Shirley Dunlop, Cameron Moore) A probable Ring Ousel was seen briefly outside Annahilt this morning. (Garry Wilkinson). A Little Gull was on the shore at Donaghadee. (Derek Polley). 2 Curlew Sandpipers and a Little Stint were at Myroe this evening. (John Spottiswood). Thanks to Cameron Moore for the pictures of the Curlew Sandpipers and the Sanderling: Following my last blog in May, the birds’ breeding season is over at Blue Circle Island on the RSPB Larne Lough Islands reserve in Co Antrim. Fortunately, we were able to make several visits to follow up on the progress of this important seabird colony, which hosts Sandwich terns, common terns, a selection of gulls, oystercatchers, black guillemots and - the rarest breeding seabirds in Europe – roseate terns (pictured, above). In late May, we discovered that our earlier efforts to prepare nest boxes for roseate terns paid off and the only breeding pair in Northern Ireland had returned to Blue Circle Island; the birds had two eggs. To monitor other species with larger numbers of nests, including common terns, we used the ‘pasta method’ (above). Using pre-counted bags of pasta, we marked each encountered common tern nest without risk of counting the same nest twice.
    [Show full text]
  • Template for Submission of Scientific Information to Describe Areas Meeting Scientific Criteria for Ecologically Or Biologically Significant Marine Areas
    Template for Submission of Scientific Information to Describe Areas Meeting Scientific Criteria for Ecologically or Biologically Significant Marine Areas Title/Name of the area: Ukrainian bays Abstract (in less than 150 words) Area located in the northern coast of the Black Sea, that encompasses 2 marine Important Bird and Biodiversity Areas mostly designated for the importance for several species of gulls, terns and seaducks. More than 1% of the global/biogeographic population of 10 seabird species occur in the area. The area encompasses also the non-breeding distribution of two Vulnerable seabirds – the Velvet Scoter Melanitta fusca and the Horned Grebe Podiceps auritus. Introduction Area located in the northern coast of the Black Sea (Figure 1), in the shallow waters (< 100 m deep) of the Ukranian bays of Yagorlyts'ka, Tendrivs'ka, Karkinits'ka and Dzharylgats'ka. The area includes 2 marine Important Bird and Biodiversity Areas (Figure 1), mostly designated for the importance for several species of gulls, terns and seaducks. More than 1% of the global/biogeographic population of 10 seabird species occur in the area (Greater Scaup Aythya marila, Great White Pelican Pelecanus onocrotalus, Great Cormorant Phalacrocorax carbo, Caspian Gull Larus cachinnans, Little Gull Hydrocoloeus minutus, Slender-billed Gull Larus genei, Mediterranean Gull Larus melanocephalus, Common Tern Sterna hirundo, Sandwich Tern Thalasseus sandvicensis and Caspian Tern Hydroprogne caspia: BirdLife International 2017a, 2017b). The area encompasses also the non- breeding distribution of two Vulnerable seabirds – the Velvet Scoter Melanitta fusca and the Horned Grebe Podiceps auritus (BirdLife International 2017c; Figure 2). Location The area is located in the North coast of Black Sea (ca.
    [Show full text]
  • Laridaerefspart1 V1.2.Pdf
    Introduction This is the first of two Gull Reference lists. It includes all those species of Gull that are not included in the genus Larus. I have endeavoured to keep typos, errors, omissions etc in this list to a minimum, however when you find more I would be grateful if you could mail the details during 2014 & 2015 to: [email protected]. Grateful thanks to Wietze Janse (http://picasaweb.google.nl/wietze.janse) and Dick Coombes for the cover images. All images © the photographers. Joe Hobbs Index The general order of species follows the International Ornithologists' Union World Bird List (Gill, F. & Donsker, D. (eds.) 2014. IOC World Bird List. Available from: http://www.worldbirdnames.org/ [version 4.2 accessed April 2014]). Cover Main image: Mediterranean Gull. Hellegatsplaten, South Holland, Netherlands. 30th April 2010. Picture by Wietze Janse. Vignette: Ivory Gull. Baltimore Harbour, Co. Cork, Ireland. 4th March 2009. Picture by Richard H. Coombes. Version Version 1.2 (August 2014). Species Page No. Andean Gull [Chroicocephalus serranus] 19 Audouin's Gull [Ichthyaetus audouinii] 37 Black-billed Gull [Chroicocephalus bulleri] 19 Black-headed Gull [Chroicocephalus ridibundus] 21 Black-legged Kittiwake [Rissa tridactyla] 6 Bonaparte's Gull [Chroicocephalus philadelphia] 16 Brown-headed Gull [Chroicocephalus brunnicephalus] 20 Brown-hooded Gull [Chroicocephalus maculipennis] 20 Dolphin Gull [Leucophaeus scoresbii] 31 Franklin's Gull [Leucophaeus pipixcan] 34 Great Black-headed Gull [Ichthyaetus ichthyaetus] 41 Grey Gull [Leucophaeus
    [Show full text]
  • A6.81 Mediterranean Gull Larus Melanocephalus (Breeding)
    A6.81 Mediterranean Gull Larus melanocephalus (breeding) 1. Status in UK Biological status Legal status Conservation status Breeding ✔ Wildlife and General Species of SPEC 4 Countryside Act Protection European Favourable 1981 Conservation conservation status Schedule 1(1) Concern (secure) but concentrated in Europe Migratory ✔ Wildlife (Northern General (UK) Species of Table 4 Ireland) Order 1985 Protection Conservation Importance Wintering ✔ EC Birds Directive Annex I All-Ireland 1979 Vertebrate Red Migratory Data Book 2. Population data Population sizes Selection thresholds Totals in species’ SPA (pairs) suite GB 31 1 23 (74% of GB population) Ireland Biogeographic 184,000 1,840 23 (<0.1% of population biogeographical population) GB population source: Ogilvie et al. 1996 Biogeographic population source: Hagemeijer & Blair 1997 3. Distribution The global distribution of Mediterranean Gull is highly restricted, with breeding limited to just a few localities in Europe, particularly along the northern coast of the Black Sea, from the Danube Delta in the west to the Gulf of Sivash in the east. Breeding occurs very locally elsewhere: some parts of inland Russia, Turkey, the north coast of the Mediterranean including the Aegean and Adriatic Seas, The Netherlands, Britain, and locally in the Baltic. The species is monotypic. In the UK, which is at the north-western limit of the species’ world range, breeding first occurred as recently as 1968 on the south coast of England (Lloyd et al. 1991). It is not known where the birds that breed in England spend the non-breeding season, but it seems likely that they use coastal areas near to the nesting colonies in south-east and south England.
    [Show full text]
  • Pocket Identification Guide of Main Vulnerable Species Incidentally Caught in Turkish Fisheries
    POCKET IDENTIFICATION GUIDE OF MAIN VULNERABLE SPECIES INCIDENTALLY CAUGHT IN TURKISH FISHERIES Simplified guide adapted for Turkey (GSAs 22 and 24) from the Identification guide of vulnerable species incidentally caught in Mediterranean fisheries Logos en anglais, avec versions courtes des logos ONU Environnement et PAM La version longue des logos ONU Environnement et PAM doit être utilisée dans les documents ou juridiques. La version courte des logos est destine tous les produits de communication tourns vers le public. IN COLLABORATION WITH FUNDED BY 8 MARINE MAMMALS Stenella Delphinus delphis LC EN coeruleoalba LC VU Common dolphin / Tırtak Striped dolphin / : 2.0-2.6 m / : 2.4 m / Glo Med Çizgili yunus Glo Med NB: 80-90 cm Ad: 1.8-2.6 m NB: 85-95 cm Grampus griseus Risso’s dolphin / Grampus Ad: 3 – 4 m / NB: 1.2 – 1.5 m LC DD Glo Med Monachus monachus Mediterranean monk seal / Akdeniz foku EN CR Tursiops truncatus : 2,51-2,90m / : 2,42m / NB: 100 cm Glo Med Common bottlenose dolphin / Afalina : 2.5 - 3.9 m LC VU : 2.2-3.2 NB: 1-1.2 m Glo Med Physeter macrocephalus VU EN Balaenoptera physalus EN VU Sperm whale / Kaşalot Fin whale / Uzun Balina : 16-18 m / : 11-12 m / NB: 3.3-4.2 m : 18-20 m / : 20-22 m / NB: 6-6.5 m Glo Med Glo Med Ziphius cavirostris Cuvier’s beaked whale / Gagalı balina : up to 7.5 m LC DD : up to 7 m Phocoena Steno NB: 2 -2.7 m Glo Med phocoena bredanensis Harbour porpoise / Balaenoptera acutorostrata Rough-toothed dolphin / LC NE LC Mutur Common minke whale / Kabadişli yunus : 1,8 m LC Mink Balinası Ad: 2.2 – 2.5
    [Show full text]
  • 208 SOS Bird Report 266 Papers Mediterranean Gulls of Rye
    266208 PapersSOS Bird Report Papers 267 Mediterranean Gulls of Rye Bay Dr Barry Yates Sussex Wildlife Trust, Rye Harbour Nature Reserve, East Sussex. TN36 4LU Phil Jones Wetland Trust, Icklesham, East Sussex. TN36 4AH Introduction Rye Bay in Sussex is one of three main breeding sites in the United Kingdom for the recent colonisation by the Mediterranean Gull. At Rye Bay in 2010 there were at least 176 nests,17% of the nationally estimated 1016 nests at 34 sites. The other two main sites are in the neighbouring counties of Hampshire (400 nests in 2010) and Kent (225 nests in 2010), so these three sites held 79% of the national total (Holling 2012). Location Rye Bay is a large area of low lying land and shallow sea between the headlands of Fairlight and Dungeness, 22 km apart. The bay straddles the Kent/East Sussex border and along its coast there are several discrete sites that offer nesting opportunities for terns and gulls. All of the nesting sites are contained within the 9137 ha of the Dungeness, Romney Marsh and Rye Bay SSSI and includes Dungeness RSPB, Rye Harbour Nature Reserve and Pett Level (which are all within the Dungeness to Pett Level SPA). Rye Bay has a long history of breeding terns and gulls (Yates 2010). Inland there is an extensive network of sheep grazing marsh with ditches and gravel pits that provide the majority of foraging options for Mediterranean Gulls. History of Mediterranean Gulls in Sussex In des Forges and Harber (1963) this species is referred to as the Mediterranean Black-headed Gull and its status was “Occasional, non-breeding, summer visitor.
    [Show full text]
  • Some Notes on the Mediterranean Gull Larus Melanocephalus and the Black-Headed Gull Larus Ridibundus
    from the beak through the ey1e to Sparrow Hawk { Alccipiter nisus) SOIME NiOT•E!S ON T'HE lVllED\ITiEiRIRANiEIAIN GULL LARUS the 3ides Of the neck. Its blui;:;h fe,et Sparvier MELANOCEPHALUS AIND THE BIJAlOK-IHiEJADE[) G[(J[JL LARUS have padded toes with strong claws E:>parrow Hawks are uncommonly to ena'ble it to clutch securely the RIDJBT;NDUS seen from late September to mid­ fish on which it feeds. October; they are very rare at other In its habita;t this raptor occurs When one examines critically the various studies published on Maltese times. So .far in the last five years natu~aay enough near water. Th.is Ornithol-ogy one is likely meet with confused statements regardin,g the it has only occurred t:wice later then to holds true also for Malta; how­ m:d.-October, and just m1ce in ~t3.tus of quite a number of species. Two of these are the Mediterranean c·;er, especi:Jily in autumn, they can Gull Larus melanocephalus and the B!ack-headed Gul.l Larus Tidibundus. Spring. It is intere.sting to note that also be observed at the hill ridges. Before trying to give the proper status of these gulls I list hereunder Schembri ( Catalogo Ornitologico It::; bu.oyant fHght consists of a previous statements. del Gruppo di Malta -- 1843) few slow wing beats followed by described it as c·ommon in both long glides on level deeply-arched Black-he.J.ded Gull spring and autumn. Mediterranean Gull \Vings. I Male Sparrow Haw.ks are slate Schembri (1843) Common in the winter Common in the winter grey on back, wings and tail; the months.
    [Show full text]
  • Laridaerefspart2 V1.2.Pdf
    Introduction This is the second of two gull reference lists. It includes all those species of Gull that are included in the genus Larus. I have endeavoured to keep typos, errors, omissions etc in this list to a minimum, however when you find more I would be grateful if you could mail the details during 2014 & 2015 to: [email protected]. Grateful thanks to Chris Batty and Graham Prole for the cover images. All images © the photographers. Index With some differences with the larger white-headed gulls, the general order of species follows the International Ornithologists' Union World Bird List (Gill, F. & Donsker, D. (eds.) 2014. IOC World Bird List. Available from: http://www.worldbirdnames.org/ [version 4.3 accessed September 2014]). Joe Hobbs Cover Main image: American Herring Gull. Dingle Harbour, Co. Kerry, Ireland. 8th April 2004. Picture by Chris Batty. Vignette: Lesser Black-backed Gull. Sean Walsh Park, Tallaght, Co. Dublin, Ireland. 14th July 2012. Picture by Graham Prole. Version Version 1.2 (September 2014). Species Page No. American Herring Gull [Larus smithsonianus] 34 Armenian Gull [Larus armenicus] 44 Belcher's Gull [Larus belcheri] 6 Black-tailed Gull [Larus crassirostris] 7 California Gull [Larus californicus] 15 Caspian Gull [Larus cachinnans] 38 Common Gull [Larus canus] 9 Glaucous Gull [Larus hyperboreus] 24 Glaucous-winged Gull [Larus glaucescens] 20 Great Black-backed Gull [Larus marinus] 16 Heermann's Gull [Larus heermanni] 8 Herring Gull [Larus argentatus] 30 Heuglin's Gull [Larus heuglini] 52 Iceland Gull [Larus glaucoides] 26 Kelp Gull [Larus dominicanus] 17 Lesser Black-backed Gull [Larus fuscus] 47 Olrog's Gull [Larus atlanticus] 6 Pacific Gull [Larus pacificus] 6 Ring-billed Gull [Larus delawarensis] 13 1 Short-billed Gull [Larus brachyrhynchus] 12 Slaty-backed Gull [Larus schistisagus] 45 Thayer's Gull [Larus thayeri] 28 Vega Gull [Larus vegae] 37 Western Gull [Larus occidentalis] 22 Yellow-footed Gull [Larus livens] 23 Yellow-legged Gull [Larus michahellis] 40 2 Relevant Publications Bahr, N.
    [Show full text]
  • IDENTIFICATION of VULNERABLE SPECIES INCIDENTALLY CAUGHT in MEDITERRANEAN FISHERIES Seabirds
    IDENTIFICATION OF VULNERABLE SPECIES INCIDENTALLY CAUGHT IN MEDITERRANEAN FISHERIES Seabirds Twenty-seven species of seven families are listed here as seabird taxa typical of the Mediterranean sea, which may either be encountered as bycatch in Mediterranean fisheries or could follow fishing vessels (at different ranges). SEABIRDS Source materials and references Text and artwork modified from: Lars Svensson (Author), Killian Mullarney (Illustrator), Dan Zetterström (Illustrator), Peter J.Grant (Contributor), David A Christie. 2011. Field Guide to Birds of Britain and Europe. PublisherHarperCollins, 448 pages. Bergier, P. ; Thévenot, M. ; Rihane, A. ; El Agbani, M.A. & Qninba, A. 2017. Liste des oiseaux du Maroc. Mise à jour mai 2017 (rév. 4.0). Go-South Bulletin 14 : 43-68. del Hoyo, J.and Collar, N. J. (2014). HBW and BirdLife International Illustrated Checklist of the Birds ofthe World. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK. Topography pictures by José Manuel Arcos. SEABIRD CHECKLIST (By Family) PROCELLARIIDAE ..................................................................................... 27 Calonectris diomedea, Scopoli’s shearwater ................................................ 27 Puffinus yelkouan, Yelkouan shearwater ................................................... 28 Puffinus mauretanicus, Balearic shearwater ................................................ 29 HYDROBATIDAE ...................................................................................... 30 Hydrobates pelagicus,
    [Show full text]
  • News and Notes — W Eb E Xtra
    NEWS AND NOTES — W EB E XTRA The following genera were proposed in 2005 by J.-M. Pons, A. Hassanin, and P.-A. Crochet in a taxonomic revision of the gull family: “Phylogenetic relationships within the Laridae (Charadriiformes: Aves ) inferred from mitochondrial markers” (Molecular Phylogenetics and Evolution 37:686–699). Larus (“white-headed” group) Gray-hooded Gull C. cirrocephalus Heermann’s Gull L. heermanni Hartlaub’s Gull C. hartlaubii Mew Gull L. canus Ring-billed Gull L. delawarensis Ichthyaetus (“black-headed” group) California Gull L. californicus Relict Gull I. relictus Herring Gull L. argentatus Audouin’s Gull I. audouinii American Herring Gull L. smithsonianus Mediterranean Gull I. melanocephalus Yellow-legged Gull L. michahellis Great Black-headed Gull I. ichthyaetus Caspian Gull L. cachinnans Sooty Gull I. hemprichii Armenian Gull L. armenicus White-eyed Gull I. leucophthalmus Thayer’s Gull L. thayeri Iceland Gull L. glaucoides Leucophaeus (“hooded” group) Lesser Black-backed Gull L. fuscus Laughing Gull L. atricilla Slaty-backed Gull L. schistisagus Franklin’s Gull L. pipixcan Yellow-footed Gull L. livens Lava Gull L. fuliginosus Western Gull L. occidentalis Gray Gull L. modestus Glaucous-winged Gull L. glaucescens Dolphin Gull L. scoresbii Glaucous Gull L. hyperboreus Great Black-backed Gull L. marinus Hydrocoloeus Kelp Gull L. dominicanus Little Gull H. minutus Ross’s Gull H. roseus Larus (“band-tailed” group) Pacific Gull L. pacificus Saundersilarus Olrog’s Gull L. atlanticus Saunders’s Gull S. saundersi Belcher’s Gull L. belcheri Black-tailed Gull L. crassirostris Xema Sabine’s Gull X. sabini Chroicocephalus (“masked” group) Slender-billed Gull C.
    [Show full text]
  • Mediterranean Gulls Larus Melanocephalus Wintering in Spain and Portugal: One Population Or Several?
    Airo 20: 3-11 (2010) Mediterranean Gulls Larus melanocephalus wintering in Spain and Portugal: one population or several? Gaivotas-de-cabeça-preta Larus melanocephalus invernantes em Espanha e Portugal: uma ou várias populações? Carles Carboneras 1,*, Raül Aymí 2, Albert Cama 1, Camille Duponcheel 3, Joan Ferrer 1, Renaud Flamant 4, Salvador García 5, Jorge Garzón 6, Antonio Gutiérrez 7, Marc Olivé 8, Martin Poot 9 ABSTRACT - Mediterranean Gulls Larus melanocephalus originating from several breeding populations (Atlantic, Mediterranean and Black Sea) concur in a few well- known wintering areas in Spain and Portugal. By analysing the records of individuals marked with colour rings, we investigated the connections between the wintering populations occurring in 7 sites distributed around the Iberian peninsula in order to determine the similarities between them. Our observations totalled 1125 individuals in 7 sites (range 44-474) and comprised the whole of the winter season, plus both migration periods. We carried all-time agglomerative hierarchical clustering analysis for the data corresponding to the seasons between 2005-06 and 2008-09 and plotted the results in a dendrogram; additionally, we compared the lists of individuals recorded at each site and calculated a coefficient of similarity between pairs of sites. Our findings reveal the existence of 4 clusters, with relatively high exchange ratios of individuals between contiguous sites inside the two main groups: 0,23-0,24 for NE Spain and 0,06 for SW Portugal. However, inter-group distance was relatively constant at 0,01-0,02, so the relative spacing of sites did not correspond to the physical distances between them.
    [Show full text]