{"id":15279,"date":"2013-02-18T20:00:24","date_gmt":"2013-02-18T18:00:24","guid":{"rendered":"http:\/\/localhost\/2013\/02\/18\/midwinter-waterbird-census-2013\/"},"modified":"2022-07-27T15:19:36","modified_gmt":"2022-07-27T12:19:36","slug":"recensamantul-de-iarna-al-pasarilor-de-apa-2013","status":"publish","type":"post","link":"https:\/\/milvus.ro\/en\/recensamantul-de-iarna-al-pasarilor-de-apa-2013\/","title":{"rendered":"Midwinter Waterbird Census \u2013 2013"},"content":{"rendered":"\"\"<\/a>This year \u201cMilvus Group\u201d Bird and Nature Protection Association, together with the Romanian Ornithological Society<\/a><\/span> (SOR) organized again the annual census of wintering waterfowl (Midwinter Waterbird Census) in Romania. The main period of observations was between the 10th<\/sup> and 20th<\/sup> of January, but because of a broader survey organized this winter, the last observation day was the 1st<\/sup> of February. The International Waterbird Census is coordinated by Wetlands International<\/a><\/span> and it is organized every year in most countries of the world.\n\nFor an easier coordination and organization of the survey, this year we split the country in two parts, thus the data from one part was totalized by Milvus Group and from the other part by the Romanian Ornithological Society<\/a>. Besides Milvus Group staff, volunteers also sent their data sheets to us, thus 57 people contributed to the data which were totalized by Milvus Group. The observers gathered data in 146 localities from 25 counties.\n\nMost visited locations were in Bihor county (31), followed by Arad county (19) and Mure\u0219 county (17), but the size of the areas were not equal. In these counties numerous wetlands with small surface were visited, mostly lakes and smaller river courses. There were counties (like Cara\u0219-Severin), where totally one or two locations were visited but observations were made on 130 km along the Danube River.\n\nTotally 156,292<\/span> birds belonging to 129 species<\/span> were observed<\/span><\/a><\/span>.<\/strong> Of these, 117,547 belong to water bird species, which is 75.2% of the total. This, however, is only the number of strict water birds, but other bird species, the life cycle of which is attached to water (White-tailed Eagle, Common Kingfisher, White-throated Dipper, Grey Wagtail, totally 148 individuals) could also be added to these.\n\nThe highest number of observed birds (24,620 individuals) was on along the Danube between Bazia\u0219 and Or\u0219ova, the lowest number (5 individuals) was recorded in S\u0103laj county, at the Muto\u0219 fishponds. There were also places where the lakes were totally frozen and the observers saw only some songbirds, raptors or not even one bird. The number of most birds seen in a county was 20,992 in Bihor county, most of which were geese. On the opposite side are Harghita and Sibiu counties with 91 and 0 observed birds.\n\n\"\"<\/a>The observers noted the data (observer\u2019s name, contact, name of location, date of observation, optical equipment, disturbing factors and their intensity, size of the area, percentage of ice cover on the water surface, etc.) on a data sheet and totalized the number of individuals of the observed bird species. After the field they draw the visited sections or the shape contour of the visited area on a map.\n\nThe most frequently seen waterbird species were the following: <\/strong><\/span>Mallard (Anas platyrhynchos<\/em>) \u2013 60,172, Great White-fronted Goose (Anser albifrons<\/em>) \u2013 10,336, Eurasian Coot (Fulica atra<\/em>) \u2013 5,806, Greylag Goose (Anser anser<\/em>) \u2013 5,637, and Tufted Duck (Aythya fuligula<\/em>) \u2013 4,527 individuals.\n\nThe two large gull species (the Caspian Gull and Yellow-legged Gull) which were not distinguished by many observers and thus were noted simply as Larus cachinnans\/michaellis<\/em>, <\/em>were observed in great number too, with totally 5,117 individuals of the two species seen. <\/em>\n\nBesides waterbirds the other five most common species were the following songbirds<\/strong><\/span>: Rook <\/em>(Corvus frugilegus<\/em>) \u2013 19,103, Western Jackdaw (Corvus monedula<\/em>) \u2013 6,782, Tree Sparrow (Passer montanus<\/em>) \u2013 1,807, Goldfinch (Carduelis carduelis<\/em>) \u2013 1,667 and Common Magpie (Pica pica<\/em>) \u2013 1,354.\n\nThe cold and harsh winter (with thick snow cover) from the beginning of the year had a sensible effect on the number of birds. On each location where we made observations we saw much fewer birds than in previous years. In the inner parts of the country almost every lake was ice-covered and only some parts of the rivers remained partly melt.\n\nDespite the small number of observed birds, some observers saw rare species with sparse occurrence in the country, or interesting species for their areas. These are: Slavonain Grebe (Podiceps auritus<\/em>) \u2013 1 individual, Bewick\u2019s Swan (Cygnus columbianus bewickii<\/em>) \u2013 32 individuals, Bean Goose (Anser fabalis<\/em>) \u2013 278 individuals, Long-tailed Duck (Clangula hyemalis<\/em>) \u2013 3 individuals,  Velvet Scoter (Melanitta fusca<\/em>) \u2013 29 individuals, Saker Falcon (Falco cherrug<\/em>) \u2013 1 individual, Pallas\u2019s Gull (Larus ichthyaetus<\/em>) \u2013 1 individual, Bohemian Waxwing (Bombycilla garrulus<\/em>) \u2013 117 individuals, Common Redpoll (Carduelis flammea<\/em>) \u2013 1 individual, and Twite (Carduelis flavirostris<\/em>) \u2013 19 individuals.\n\nAs an interesting fact we mention the Bar-headed Goose (Anser indicus<\/em>)<\/strong><\/span>, a not native species in Europe and Romania, 3 individuals of which were seen in a flock between other geese during the census near Salonta (Bihor county).\n\nIn this way we want to thank all participants for their efforts to take part on this event and for their provided data.\n\nResults of the wintering waterbird census for year 2013<\/a>","protected":false},"excerpt":{"rendered":"This year \u201cMilvus Group\u201d Bird and Nature Protection Association, together with the Romanian Ornithological Society (SOR) organized again the annual census of wintering waterfowl (Midwinter Waterbird Census) in Romania. The main period of observations was between the 10th and 20th of January, but because of a broader survey organized this winter, the last observation day was the 1st 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