Pdf field identification of hybrid wildfowl aythya. The ferruginous duck aythya nyroca is listed as near threatened on the iucn red list of threatened animals birdlife international 2000. Aythya marila linnaeus, 1761 pato boludomayor, greater scaup, fuligule milouinan. Tufted duck aythya fuligula and common pochard aythya farina in. The scientific name is derived from greek aithuia an unidentified seabird mentioned by authors including hesychius and aristotle, and nyrok, the russian name for a duck. Every 6 months the occurrence record download file is updated to reflect recent vetting by experts. Its european breeding population is relatively small aythya nyroca some of the displayed records may not be available for commercial use. Kirwan et al 2003 a checklist of the birds of turkey sandgrouse.
Pdf distribution and breeding ecology of the ferruginous. In this study, we assessed the relationship between the occupation of moroccan ramsar wetlands during the breeding season by two globally threatened waterbirds, the marbled teal marmaronetta angustirostris and the ferruginous duck aythya nyroca. Recommended english names, princeton university press, isbn. Pdf ferruginous duck aythya nyroca breeding population. Nesting ecology of ferruginous duck aythya nyroca in north. Aythya nyroca is a widespread but patchily distributed breeder across much of europe, which accounts for less than half of its global breeding range. In the present paper we studied the diurnal feeding behaviour of ducks. Aythya nyroca guldenstadt, 1770 animalia chordata aves anseriformes anatidae. Files are available under licenses specified on their description page. Although the ferruginous duck aythya nyroca has thoroughly been studied, the foraging behaviour of this species is still not completely known. Diurnal feeding strategies of the ferruginous duck aythya. Laden sie diese app fur windows 10 aus dem microsoft store herunter.
The species the species nearly qualifies for listing under criteria a1c and 2c because because the global population has declined markedly over recent decades. This page was last edited on 9 november 2018, at 09. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs alternatively, you can download the pdf file directly to your computer, from where it. Introduction the ferruginous duck, aythya nyroca, is a shy and secretive diving duck widely distributed in asia. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. We monitored the annual cycle of birds through two fieldtrips per month. Aythya nyroca, a mediumsized diving duck from eurasia. Ferruginous duck aythya nyroca breeding population development and habitat selection at durankulak lake, bulgaria article pdf available in acrocephalus 24118. Swimming duck natural lake habitat background bird. The status of waterbirds breeding in protected areas in north africa needs constant monitoring because of a naturally fluctuating environment and permissive attitudes towards illegal activities likely to negatively affect population dynamics of threatened species. An aythya nyroca in nahilalakip ha genus nga aythya, ngan familia nga anatidae. In the data download, sensitive records have been obfuscated by truncating the latlong to two decimal places. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Pdf diurnal feeding strategies of the ferruginous duck.
Behaviour of a hybrid redcrested pochard netta rufina x ferruginous duck aythya nyroca. Both breeding and midwinter populations of the ferruginous duck aythya nyroca are in. Acrobat reader dc ist mit adobe document cloud verbunden, damit du uberall. The status and ecology of the last wild population of. Obfuscated records will be indicated in the data file. Since 2005, morocco has designated many ramsar wetlands, yet little is known about factors determining their occupation by waterbird communities. Adobe acrobat reader dcdownload kostenloser pdfviewer fur. Pdfreader, pdfviewer kostenlos adobe acrobat reader dc. Ginklasipika han iucn an species komo harani ha karatan. Factors predicting ramsar site occupancy by threatened.
A taxonomic species within the family anatidae the ferruginous duck. Convention on the conservation of migratory species of. The status and ecology of the last wild population of madagascar pochard aythya innotata volume 25 issue 1 andrew j. Diurnal behaviour of ferruginous duck aythya nyroca. However, it is not a legal authority for statutory or regulatory purposes. The species was found to occupy different wetlands freshwater lakes, brackish marshes and salt lakes across three major climatic belts subhumid coastal strip, semiarid hauts plateaux and arid sahara. Media in category aythya nyroca captive the following 22 files are in this category, out of 22 total. Information sheet on ramsar wetlands ris 20092012 version. The ferruginous duck, aythya nyroca on the wetland buy. We present the results of a study conducted at a protected site, lake tonga, northeastern algeria, on a breeding population of. The ferruginous duck, also ferruginous pochard, common whiteeye or whiteeyed pochard aythya nyroca is a mediumsized diving duck from eurosiberia.
The species breeds regularly in several coastal and inland wetlands, with remarkable numbers in some marshlands sidi boughaba, fouwarate, bargha, bas loukkos, etc. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. Please check the licence conditions and noncommercial use guidance here. The ferruginous duck, aythya nyroca on the wetland buy this stock photo and explore similar images at adobe stock. Aythya novaeseelandiae gmelin, 1789 new zealand scaup. We conducted a survey of the distribution of ferruginous duck aythya nyroca across algeria and analysed the influence of nestsite characteristics on nesting success at a ramsar site, lake tonga. Timeactivity budgets of wintering ferruginous duck, aythya nyroca, at gajoldoba wetland, jalpaiguri, india tanmay datta department of zoology, ananda chandra college, jalpaiguri, india correspondence. The ferruginous duck aythya nyroca is included in both appendix i and ii of cms, and was designated for concerted actions under the convention by the 6th meeting of the cop cape town, nov. Ozcam online zoological collections of australian museums provides access to an online database of records aggregated from fau.
Aythya nyroca near threatened, corncrake crex crex near threatened, imperial eagle aquila heliaca vulnerable, european pond terrapin emys orbicularis lower risknear threatened, hermans turtle. Ferruginous pochard aythya nyroca, whooper swan aythya nyroca, redbreasted merganser, great bustard, and european spoonbill. Timeactivity budgets of wintering ferruginous duck. Zelenkov 2016 transferred the species anas denesi kessler 20, known from the late miocene of hungary, to the genus aythya. A tufted duck cross redcrested pochard hybrid species of duck 093corel. Download fulltext pdf rediscovery of the madagascar pochard aythya innotata in northern madagascar article pdf available january 2007 with 238 reads. Abbreviated code list standard naming and coding of species and subspecies regularly found in britain and ireland long list mute swan cygnus olor ms mutsw bewicks swan cygnus columbianus bs bewsw whooper swan cygnus cygnus ws whosw bean goose anser fabalis be beago bean goose taiga anser fabalis fabalis xf bean goose tundra anser fabalis rossicus xr pinkfooted goose. Download free adobe acrobat reader dc software for your windows, mac os and android devices to view, print, and comment on pdf documents.
In the 19th and early 20th centuries, the ferruginous duck was a widely. For details of national estimates, see supplementary pdf. The ferruginous duck is a winter visitor and breeding resident in morocco. Unless you have a written agreement with getty images stating otherwise, easyaccess downloads are for comp purposes and are not licensed for use in a final project. This duck is listed as near threatened in the iucn red list, and its populations have been in decline in many european countries. Researcharticle status and trends of the ferruginous ducks aythya nyroca wintering population in morocco. The following 7 files are in this category, out of 7 total. Easyaccess downloads let you quickly download hires, nonwatermarked images. Trend in europe and the eu27 the population size trend is unknown. Schauen sie sich screenshots an, lesen sie aktuelle. The name aythya comes from the ancient greek word, aithuia, which may have referred to a seadwelling duck or an auklet aythya shihuibas was described from the late miocene of china. Analysis of35 years of winter census data 19832017. Diurnal feeding strategies of the ferruginous duck aythya nyroca in lake tonga northeastern algeria article pdf available in ornis hungarica 271. Media in category aythya nyroca the following 48 files are in this category, out of 48 total.
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