<abstract xmlns="http://www.w3.org/1999/xhtml"> Between April 2007 and April 2008, 40 systematic waterbird counts were conducted on the Drava River between Lake Maribor and the Melje Dam (length 8.5 km, area 155 ha) to determine the specific composition, abundance and seasonal dynamics of bird occurrence. Between October and May, counts were conducted every week, whereas between June and September they were carried out once every two weeks. In total, 26,803 individuals of 30 species were counted. The number of waterbirds and diversity of species were the highest from late December to late February, when more than 1,000 individuals were regularly present in the area. Waterbirds were distributed along the river unequally, with the highest number of birds present yearround in the city centre and in the first counting sector of Lake Maribor. The Mallard Anas platyrhynchos and Mute Swan Cygnus olor were recorded during every count, while occurrence frequency was greater than 50% in another 10 species. Dominant species in terms of percentage composition were Mallard, Black-headed Gull Chroicocephalus ridibundus, Coot Fulica atra, Mute Swan, Pochard Aythya ferina and Tufted Duck Ay. fuligula. Mute Swan and Mallard were the only breeding waterbirds in the study area. Both the total number of waterbirds and the highest daily total in the first two counting sectors were greater between October and March 1992/93 than in our study. The decline in numbers was the greatest for Mallard, Pochard and Tufted Duck, while an increase was noted in Mute Swan and Yellow-legged / Caspian Gull Larus michahellis / cachinnans. The total number of waterbirds and the number of some species in the study area were significantly higher than expected solely based on its length compared to the length of the lowland Drava in Slovenia (125.7 km). The study area is conservationally important for Pochard, Tufted Duck and Black-headed Gull</abstract>

DOPPS - Društvo za opazovanje in proučevanje ptic Slovenije, Kamenškova 18, SI–2000 Maribor, Slovenija

Letna Dinamika Pojavljanja Vodnih Ptic Na Reki Dravi Med Mariborskim Jezerom In Jezom Melje (Sv Slovenija) / Yearly dynamics of waterbirds’ occurrence on the Drava River between Lake Maribor and Melje Dam (NE Slovenia)

<abstract xmlns="http://www.w3.org/1999/xhtml"> In 2013, 73,529 birds of 161 species were ringed in Slovenia, with 114 finds from abroad, 73 finds of foreign-ringed birds and 1580 local finds. The most numerous ringed species were Blackcap Sylvia atricapilla and Barn Swallow Hirundo rustica, while among ringed nestlings Great Tits Parus major and Blue Tits Cyanistes caeruleus prevailed. The most numerous species among recoveries was the Mute Swan Cygnus olor with probably the oldest swan recorded in Slovenia so far, a 25-year-old female. The longest distance recovery concerned a Sedge Warbler Acrocephalus schoenobaenus from Norway (2,801 km). Of interest among local finds is the longest recovery distance (122 km) recorded for Ural Owl Strix uralensis in Slovenia so far. In 2013, two rare species for Slovenia were ringed, Yellow-browed Warbler Phylloscopus inornatus (2 individuals) and Siberian Rubythroat Calliope calliope, which was the first record for Slovenia. The first analysis of ringing sites in Slovenia is given as a baseline for establishing a network of Constant Effort Sites</abstract>

Prirodoslovni muzej Slovenije, Prešernova c. 20, p.p. 290, SI–1001 Ljubljana

Obročkovalna Dejavnost in Pregled Najdb Obročkanih Ptic V Sloveniji V Letu 2013 / An overview of bird ringing in Slovenia in 2013

<abstract xmlns="http://www.w3.org/1999/xhtml"> This report by the Slovenian Rarities Committee presents records of rare bird species in Slovenia in 2013, with some addenda for previous years. The numbers in brackets refer to the number of records (first number) and individuals (second number), recorded between 1 Jan 1950 and 31 Dec 2012. Since 1 Jan 2013, submission to the Committee is required for 37 additional species, 17 of which are regional rarities. Records of these species are not numbered, since records from previous years were not collected by the Committee. Four new species were recorded in category A: White-headed Duck Oxyura leucocephala, Baillon’s Crake Porzana pusilla, Audouin’s Gull Larus audouinii and Siberian Rubythroat Calliope calliope. Three species, Helmeted Guineafowl Numida meleagris, Chukar Alectoris chukar and Common Bulbul Pycnonotus barbatus, were added to category E. Other notable observations were the second and third records of Bewick’s Swan Cygnus columbianus and fourth record of Dalmatian Pelican Pelecanus crispus. The list of birds recorded in Slovenia (as of 31 Dec 2013) contains 384 species (369 in category A, 7 in category B, 8 exclusively in category C; 4 species are both in categories A and C). Category D contains 6 species, while category E contains 33. These two categories are not part of the list</abstract>

Redke vrste ptic v sloveniji v letu 2013 – Poročilo Nacionalne komisije za redkosti / Rare birds in Slovenia in 2013 – Slovenian Rarities Committee's Report

<abstract xmlns="http://www.w3.org/1999/xhtml"> In 2014, the International Waterbird Census (IWC) was carried out in Slovenia on 18 and 19 Jan. Waterbirds were counted on all larger rivers, along the entire Slovenian Coastland and on most of the major standing waters in the country. During the census, in which 268 observers took part, 413 sections of the rivers and coastal sea with a total length of 1395.1 km and 226 other localities (178 standing waters and 48 streams) were surveyed. Altogether, 45,346 waterbirds of 62 species were counted. This is the lowest number of waterbirds recorded after the 1997 and 1998 censuses. The greatest numbers of waterbirds were counted in the Drava count area, i.e. 20,217 individuals (44.6% of all waterbirds in Slovenia). By far the most numerous species was Mallard Anas platyrhynchos (43.0% of all waterbirds), followed by Black-headed Gull Chroicocephalus ridibundus (10.1% of all waterbirds), Coot Fulica atra (7.9% of all waterbirds), Yellow-legged Gull Larus michahellis (6.0% of all waterbirds) and Cormorant Phalacrocorax carbo (4.6% of all waterbirds). The number of 1,000 counted individuals was also surpassed by Mute Swan Cygnus olor, Pochard Aythya ferina, Tufted Duck Ay. fuligula and Teal An. crecca. Among the rarer recorded species, the Black Stork Ciconia nigra (registered for the first time during the January Waterbird Censuses; only the second winter record in Slovenia), Cattle Egret Bubulcus ibis and Flamingo Phoenicopterus roseus (both registered only for the second time during the IWC) should be given a special mention. Numbers of the following species were the highest so far recorded during the IWC: Shelduck Tadorna tadorna, Muscovy Duck Cairina moschata, Shoveler An. clypeata, Redthroated Loon Gavia stellata and Pygmy Cormorant Phalacrocorax pygmeus. Also, the total number of C and E category species/taxa was the highest to date, although still quite low with 70 individuals. Numbers of the following species were the lowest so far recorded during the IWC: Cormorant, Little Grebe Tachybaptus ruficollis and Green Sandpiper Tringa ochropus </abstract>

Rezultati januarskega štetja vodnih ptic leta 2014 v Sloveniji / Results of the January 2014 waterbird census in Slovenia

Institute for Biodiversity Studies, Science and Research Centre, University of Primorska, Garibaldijeva 1, SI–6000 Koper, Slovenia / Department of Biodiversity, Faculty of Mathematics, Natural Sciences and Information Technologies, University of Primorska, Glagoljaška 8, SI–6000 Koper, Slovenia / Morigenos – Slovenian Marine Mammal Society, Kidričevo nabrežje 4, SI–6330 Piran, Slovenia

Morigenos – Slovenian Marine Mammal Society, Kidričevo nabrežje 4, SI–6330 Piran, Slovenia

New records of the Gannet Morus bassanus in Slovenia / Novi podatki o strmoglavcih Morus bassanus v Sloveniji

AHEAD OF PRINT

Volume 42 (2021): Issue 190-191 (December 2021)

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