| [treatment of breast injuries in marine ducks hospitalized at a wildlife shelter]. | seabirds kept in care centers frequently show secondary lesions subsequent to detention conditions: this is the case with scabs. these scabs are very often looked upon as a cause for euthanasia, mainly after an ecological disaster, such as an oil spill, when the number of oiled birds is very large. seaducks (melanitta nigra, melanitta fuscus, somateria mollissima) were very numerous at the veterinary school of nantes after the wreck of the tanker erika in december 1999. a protocol for the treatm ... | 2001 | 11565370 |
| mercury concentrations in muscle, brain and bone of western alaskan waterfowl. | total mercury (thg), which includes both inorganic (hg(2+)) and methylmercury (mehg) species, has been reported for seabirds in the north pacific and alaska. for the yup'ik and aleut people of alaska, waterfowl are a small but important seasonal component of the diet, but many alaskan species have not been studied extensively for the presence of mercury. birds are good subjects for examination of mercury concentrations because they feed at different trophic levels, they can be long-lived, and ma ... | 2005 | 16076480 |
| the exceptionally rare (sic) common scoter. | a 1-month-old infant with congenital heart disease underwent initial cardiac surgery (mee shunt) at day 20 but was later readmitted because of poor shunt flow and hypoxemia. despite therapy, the infant deteriorated and suffered a cardiopulmonary arrest. after 40 minutes of resuscitation, spontaneous cardiac output was reestablished, and subsequently, the child was placed on extracorporeal circulation membrane oxygen (ecmo) support. the infant deteriorated further over the next 3 days with persis ... | 2006 | 17161174 |
| blood lead levels of wild steller's eiders (polysticta stelleri) and black scoters (melanitta nigra) in alaska using a portable blood lead analyzer. | sea duck populations are declining in alaska. the reasons for the decline are not known; environmental lead exposure is one suspected cause. thirty wild steller's eider ducks (polysticta stelleri) and 40 wild black scoter ducks (melanitta nigra) were tested for blood lead levels using a portable blood lead analyzer (leadcare; esa, inc., chelmsford, massachusetts 01824, usa). sixty-seven and one-tenth percent of the sea ducks had undetectable blood lead levels, 30.0% had values indicating normal ... | 2006 | 17319136 |
| avian influenza virus screening in wild waterfowl in norway, 2005. | the prevalence of influenza a virus infection, and the distribution of different subtypes of the virus, were studied in 604 geese and ducks shot during ordinary hunting 2005. the study was based upon molecular screening of cloacal swabs taken by the hunters. the sampling included the following species: greylag (anser anser), mallard (anas platyrhynchos), wigeon (anas penelope), teal (anas crecca), goosander (mergus merganser), tufted duck (aythya fuligula), common scoter (melanitta nigra), golde ... | 2007 | 17494599 |
| taxonomic structure of digenea in wild ducks (anatinae) from west pomerania. | parasitic fauna of birds connected with water environment, including digeneans, is relatively well researched in poland. the exception, however, is west pomerania, where those birds were not frequent objects of parasitological research until recently. the purpose of this work is to determine the taxonomic structure of the digenea, parasitising wild ducks living in west pomerania. the research material was 124 individuals of wild anatinae (anseriformes) belonging to 8 species: anas strepera, a. c ... | 2008 | 18702318 |
| nematofauna of ducks of the genus melanitta (mergini, anseriformes) from the south baltic sea. | a total of 10 individuals each of the common scoter (melanitta nigra) and the velvet scoter (m. fusca) were examined for parasites. the scoters are marine ducks wintering at the south-western coast of the baltic sea. the scoters were found to be infected with 5 nematode species. while the common scoter supported amidostomoides monodon, epomidiostomum uncinatum, tetrameres sp. and echinuria hypognatha, the velvet scoter were hosts to a. monodon, e. hypognatha, and streptocara crassicauda. this is ... | 2008 | 18702323 |
| [first record of species microsomacanthus oidemiae spassky et jurpalova, 1964 (cestoda: hymenolepididae) in wild ducks of north-western poland]. | the presently reported study on cestodofauna of wild anatinae of north-western poland showed the presence of at least a dozen or so cestodes, hitherto unrecorded in polish fauna. one of them is microsomacanthus oidemiae spassky et jurpalova, 1964 (hymenolepididae). this parasite (two not fully developed individuals, including one without a scolex) was found in the common scoter, melanitta nigra l., (mergini) wintering on lake dabie near szczecin. | 2008 | 19338225 |
| distribution patterns of wintering sea ducks in relation to the north atlantic oscillation and local environmental characteristics. | twelve species of north american sea ducks (tribe mergini) winter off the eastern coast of the united states and canada. yet, despite their seasonal proximity to urbanized areas in this region, there is limited information on patterns of wintering sea duck habitat use. it is difficult to gather information on sea ducks because of the relative inaccessibility of their offshore locations, their high degree of mobility, and their aggregated distributions. to characterize environmental conditions th ... | 2010 | 20364388 |
| prevalence and subtypes of influenza a viruses in wild waterfowl in norway 2006-2007. | the prevalence of influenza a virus infection, and the distribution of different subtypes of the virus, were studied in 1529 ducks and 1213 gulls shot during ordinary hunting from august to december in two consecutive years, 2006 and 2007, in norway. the study was based on molecular screening of cloacal and tracheal swabs, using a pan-influenza a rt-pcr. samples found to be positive for influenza a virus were screened for the h5 subtype, using a h5 specific rt-pcr, and, if negative, further subt ... | 2010 | 20426812 |
| effects of ship traffic on seabirds in offshore waters: implications for marine conservation and spatial planning. | most anthropogenic influences on marine ecosystems, except for river- or terrestrial-borne pollution, involve some sort of vessel activity. increasing anthropogenic activities mean that many countries are being forced to develop spatial planning schemes, while at the same time implementing conservation sites for sensitive species at sea. the effects of ship traffic on seabirds sensitive to human disturbance are currently too poorly understood to allow for the development of proper planning and c ... | 2011 | 21830723 |
| the body size-dependent diet composition of north american sea ducks in winter. | daily food requirements scale with body mass and activity in animals. while small species of birds have higher mass-specific field metabolic rates than larger species, larger species have higher absolute energy costs. under energy balance, we thus expect the small species to have a higher energy value diet. also the weight and time constraints for flighted and diurnal foragers should set a maximum to the amount of prey items taken in one meal and to the daily number of meals, respectively. furth ... | 2013 | 23755266 |
| health status of seabirds and coastal birds found at the german north sea coast. | systematic pathological investigations to assess the health status of seabirds and coastal birds in germany were performed. the investigation was conducted to obtain data on possible causes of decline in seabird and coastal bird populations. | 2012 | 22812640 |
| trends in chronic marine oil pollution in danish waters assessed using 22 years of beached bird surveys. | beached bird surveys provide an important tool for monitoring the level of oil pollution at sea, which is the most significant observable cause of death for a large number of waterbird species and pose a serious threat to wintering seabird populations. linear regression analyses of oil rates from the danish 22 year dataset show a decline in the oil pollution level in offshore areas of the eastern north sea and skagerrak and in near-shore parts of the kattegat; but a worsening in the offshore are ... | 2007 | 17658558 |
| assessing vulnerability of marine bird populations to offshore wind farms. | offshore wind farms may affect bird populations through collision mortality and displacement. given the pressures to develop offshore wind farms, there is an urgent need to assess population-level impacts on protected marine birds. here we refine an approach to assess aspects of their ecology that influence population vulnerability to wind farm impacts, also taking into account the conservation importance of each species. flight height appears to be a key factor influencing collision mortality r ... | 2013 | 23454414 |
| detection of wellfleet bay virus antibodies in sea birds of the northeastern united states. | wellfleet bay virus (wfbv) is a recently described orthomyxovirus isolated from the tissues of common eiders (somateria mollissima) collected during recurrent mortality events on cape cod, massachusetts, usa. coastal massachusetts is the only location where disease or mortality associated with this virus has been detected in wild birds, and a previous seroprevalence study found a significantly higher frequency of viral exposure in eiders from this location than from other areas sampled in north ... | 2017 | 28640712 |
| birds of the severn estuary and bristol channel: their current status and key environmental issues. | the severn estuary and bristol channel encompass a number of designated sites supporting populations of waterbirds and seabirds that are of national or international importance, including the severn estuary and burry inlet special protection areas (spas)/ramsar sites and carmarthen bay, the uk's first marine spa. here, we provide an overview of the present numbers and trends of the waterbirds and seabirds using these sites, updating previous reviews undertaken prior to these designations. we fur ... | 2010 | 20153484 |
| the effects of shoreface nourishments on spisula and scoters in the netherlands. | the coast of the netherlands is protected by nourishing sand. generally, two different techniques are used, beach nourishment and shoreface nourishment. the latter technique supplies sand at a water depth of about 5-8m in the surf zone, and has been used on a regular basis since 1997 with increasing volumes since 2001. observations on the bivalve mollusc spisula subtruncata that was abundant before 1997 and a key food species for wintering seaduck show a decline since 2001. this coincided with a ... | 2009 | 19342090 |
| the sea empress oil spill (wales, uk): effects on common scoter melanitta nigra in carmarthen bay and status ten years later. | carmarthen bay, uk, regularly supports internationally important numbers (>16,000) of non-breeding common scoters melanitta nigra. the spill of 72,000 tonnes of crude oil from the sea empress in 1996 affected birds both through direct mortality and likely pollution of key food resources. numbers were greatly reduced following the spill, whilst changes in the distribution of birds within carmarthen bay suggested that potentially sub-optimal foraging zones were used. however, ten years after the i ... | 2008 | 18331745 |
| [the uropygial gland wax from the common scoter (melanitta nigra)]. | | 1972 | 4404093 |
| first evidence of fatal usutu virus natural infections in an anatidae, the common scoter (melanitta nigra). | while fatal infections caused by the usutu virus appeared to concern only passerines (especially the blackbird) and strigiformes (especially the great gray owl), we report herein that the virus also naturally causes a fatal disease in an anseriforme species, the common scoter (melanitta nigra). | 2019 | 31135292 |
| coast to coast: high genomic connectivity in north american scoters. | dispersal shapes demographic processes and therefore is fundamental to understanding biological, ecological, and evolutionary processes acting within populations. however, assessing population connectivity in scoters (melanitta sp.) is challenging as these species have large spatial distributions that span remote landscapes, have varying nesting distributions (disjunct vs. continuous), exhibit unknown levels of dispersal, and vary in the timing of the formation of pair bonds (winter vs. fall/spr ... | 2019 | 31380047 |