@article{MTMT:34714052, title = {Long term evaluation of factors influencing the association of ixodid ticks with birds in Central Europe, Hungary}, url = {https://m2.mtmt.hu/api/publication/34714052}, author = {Keve, Gergő and Csörgő, Tibor and Kováts, Dávid and Hornok, Sándor}, doi = {10.1038/s41598-024-55021-9}, journal-iso = {SCI REP}, journal = {SCIENTIFIC REPORTS}, volume = {14}, unique-id = {34714052}, issn = {2045-2322}, abstract = {Birds play a crucial role in disseminating ticks that carry pathogens of high veterinary-medical importance. The aim of this study was to analyze data of a long-term tick collection from birds at a single stop-over site in Central Europe, Hungary. Over eight years (2015–2022) 5833 ticks (ten species) were collected from 2395 tick-infested birds. The most abundant species were Ixodes ricinus (n = 3971) and Haemaphysalis concinna (n = 1706). Ixodes ricinus nymphs and larvae were the most frequently occurring on resident and short-distance migratory birds with forest habitat but Ha. concinna was the most abundant species on reed-associated, long-distance migrants. Haemaphysalis concinna occurred mostly on birds feeding above the ground level, while I. ricinus predominated on ground feeding birds. Infestation with I. ricinus nymphs always peaked in the first half of the year, in contrast to larvae which were more abundant on avian hosts in the autumn. At the same time, Ha. concinna larvae and nymphs had their peak numbers in the summer. This is the first long-term study on the tick infestation of birds in Central Europe. The study shows that, migration distance, habitat type, and typical feeding level of birds, as well as characteristics of tick life cycle are all key factors in the role of birds as tick disseminators. It was revealed that Savi’s Warbler ( Locustella luscinioides ) is the most frequent hosts of Ha. concinna in Central Hungary.}, year = {2024}, eissn = {2045-2322}, orcid-numbers = {Csörgő, Tibor/0000-0002-7060-9853} } @{MTMT:34481823, title = {Ornis Hungarica}, url = {https://m2.mtmt.hu/api/publication/34481823}, author = {Csörgő, Tibor and Nagy, Jenő}, booktitle = {A Magyar Madártani és Természetvédelmi Egyesület első 50 éve}, unique-id = {34481823}, year = {2024}, pages = {174-179}, orcid-numbers = {Csörgő, Tibor/0000-0002-7060-9853; Nagy, Jenő/0000-0001-8434-4422} } @article{MTMT:33805265, title = {Causes of vagrancy of North Asian passerines in western Europe}, url = {https://m2.mtmt.hu/api/publication/33805265}, author = {Bozó, László and Csörgő, Tibor}, doi = {10.1111/ibi.13226}, journal-iso = {IBIS}, journal = {IBIS}, volume = {166}, unique-id = {33805265}, issn = {0019-1019}, year = {2024}, eissn = {1474-919X}, pages = {5-22}, orcid-numbers = {Csörgő, Tibor/0000-0002-7060-9853} } @article{MTMT:34471822, title = {Aspects of cranial adaptation in foot-propelled diving birds – foraging and visual fields of some piscivorous species}, url = {https://m2.mtmt.hu/api/publication/34471822}, author = {Pecsics, Tibor and Csörgő, Tibor}, doi = {10.2478/orhu-2023-0023}, journal-iso = {ORNIS HUNG}, journal = {ORNIS HUNGARICA}, volume = {31}, unique-id = {34471822}, issn = {1215-1610}, abstract = {The adaptation to an aquatic lifestyle has occurred several times during the evolution of birds. The transition from a terrestrial to an aquatic lifestyle requires enormous changes in morphology, physiology, and behaviour. In addition to many physical parameters, aquatic foraging is also a limiting factor, despite the fact that aquatic habitats are often rich in food and prey. Despite many previous studies (foraging, physiology, anatomy, ecology, etc.) and a large amount of data regarding piscivore foot-propelled diving birds, our knowledge on the possible relationships between cranial morphology, feeding mechanism, visual abilities and binocularity is still very limited. In this study, we attempt to achieve a deeper understanding of the visual abilities and foraging related attributes of 5 recent and 1 extinct species of foot-propelled diving birds. We attempted to measure the horizontal visual fields of these species using 3D visualization techniques. According to our model, the narrowest horizontal binocular field was measured in Anhinga (Anhinga anhinga) , and the widest was measured in the cases of Great Cormorant (Phalacrocorax carbo) and Goosander (Mergus merganser) . Our results support the prediction that binocular field variation among aquatic birds is primarily associated with foraging methods and activities.}, year = {2023}, eissn = {2061-9588}, pages = {110-124}, orcid-numbers = {Csörgő, Tibor/0000-0002-7060-9853} } @article{MTMT:34427986, title = {Long-term population changes of the Moustached Warbler (Acrocephalus melanopogon) in a Central Hungarian wetland habitat}, url = {https://m2.mtmt.hu/api/publication/34427986}, author = {Bozó, László and Németh, Ákos and Csörgő, Tibor}, doi = {10.2478/orhu-2023-0021}, journal-iso = {ORNIS HUNG}, journal = {ORNIS HUNGARICA}, volume = {31}, unique-id = {34427986}, issn = {1215-1610}, year = {2023}, eissn = {2061-9588}, pages = {89-98}, orcid-numbers = {Csörgő, Tibor/0000-0002-7060-9853} } @article{MTMT:34038477, title = {The Common Rock Thrush (Monticola saxatilis) in the Carpathian Basin}, url = {https://m2.mtmt.hu/api/publication/34038477}, author = {Bozó, László and Csörgő, Tibor}, doi = {10.2478/orhu-2023-0010}, journal-iso = {ORNIS HUNG}, journal = {ORNIS HUNGARICA}, volume = {31}, unique-id = {34038477}, issn = {1215-1610}, abstract = {The Common Rock Thrush (Monticola saxatilis) is a species with an extremly large distribution range. Its European population is the strongest in the Mediterranean, but it also breeds in Central Europe. It still nests in small numbers in the Carpathian Basin, but has become extinct as a breeder in Hungary, where it was never a common species. In the present study, we summarised the occurrences of the species in the Carpathian Basin published in the literature. In the late 19 th and early 20th centuries, a large amount of observational data on the spring migration of the species was collected, which allowed us to describe the migration phenology of that time. The Common Rock Thrush bred in small numbers in mountainous areas of Hungary, in natural habitats and in mines, vineyards and orchards. The collapse of the population occurred in the 1970s, but thereafter a few pairs bred in Hungary until the 2010s. Very few published records were found in Slovakia and Romania, which does not give a true picture of its former distribution there. However, its population has also declined drastically in Romania and it has become extinct as nesting species in Slovakia. The exact cause of the decline cannot be determined and several explanations have been proposed in recent decades. It is likely that the Carpathian Basin population, which is considered to be an edge-population, has been more exposed to negative changes, such as climate change, chemical inputs or changes in wintering grounds. A century earlier, the median date of the first spring returns was mid-April, but sometimes it was observed as early as late March. Nowadays, vagrant individuals have been observed again several times in Hungary, which gives us some hope for the future.}, year = {2023}, eissn = {2061-9588}, pages = {147-162}, orcid-numbers = {Csörgő, Tibor/0000-0002-7060-9853} } @article{MTMT:33765817, title = {Evolution of relative brain size in dogs - no effects of selection for breed function, litter size or longevity}, url = {https://m2.mtmt.hu/api/publication/33765817}, author = {Garamszegi, László Zsolt and Kubinyi, Enikő and Czeibert, Kálmán and Nagy, Gergely and Csörgő, Tibor and Kolm, Niclas}, doi = {10.1093/evolut/qpad063}, journal-iso = {EVOLUTION}, journal = {EVOLUTION}, volume = {77}, unique-id = {33765817}, issn = {0014-3820}, abstract = {Domestication is a well-known example of the relaxation of environmentally-based cognitive selection that leads to reductions in brain size. However, little is known about how brain size evolves after domestication and whether subsequent directional/artificial selection can compensate for domestication effects. The first animal to be domesticated was the dog, and recent directional breeding generated the extensive phenotypic variation among breeds we observe today. Here we use a novel endocranial dataset based on high-resolution CT scans to estimate brain size in 159 dog breeds and analyze how relative brain size varies across breeds in relation to functional selection, longevity, and litter size. In our analyses, we controlled for potential confounding factors such as common descent, gene flow, body size, and skull shape. We found that dogs have consistently smaller relative brain size than wolves supporting the domestication effect, but breeds that are more distantly related to wolves have relatively larger brains than breeds that are more closely related to wolves. Neither functional category, skull shape, longevity, nor litter size was associated with relative brain size, which implies that selection for performing specific tasks, morphology, and life history do not necessarily influence brain size evolution in domesticated species.}, keywords = {social behavior; brain size; Allometry; American Kennel Club; phylogenetic comparative approaches}, year = {2023}, eissn = {1558-5646}, pages = {1591-1606}, orcid-numbers = {Garamszegi, László Zsolt/0000-0001-8920-2183; Kubinyi, Enikő/0000-0002-4468-9845; Czeibert, Kálmán/0000-0001-9425-0892; Nagy, Gergely/0000-0002-0943-2876; Csörgő, Tibor/0000-0002-7060-9853} } @article{MTMT:33711621, title = {Ornithological and molecular evidence of a reproducing Hyalomma rufipes population under continental climate in Europe}, url = {https://m2.mtmt.hu/api/publication/33711621}, author = {Keve, Gergő and Csörgő, Tibor and Benke, Anikó and Huber, Attila and Mórocz, Attila and Németh, Ákos and Kalocsa, Béla and Tamás, Enikő Anna and Gyurácz, József and Kiss, Orsolya and Kováts, Dávid and Sándor, Attila and Karcza, Zsolt and Hornok, Sándor}, doi = {10.3389/fvets.2023.1147186}, journal-iso = {FRONT VET SCI}, journal = {FRONTIERS IN VETERINARY SCIENCE}, volume = {10}, unique-id = {33711621}, abstract = {Reports on adult Hyalomma ticks in certain regions of the Carpathian Basin date back to the 19th century. These ticks were thought to emerge from nymphs dropping from birds, then molting to adults. Although the role of migratory birds in carrying ticks of this genus is known from all parts of Europe, in most countries no contemporaneous multiregional surveillance of bird-associated ticks was reported which could allow the recognition of hotspots in this context. From 38 passeriform bird species 956 ixodid ticks were collected at seven locations in Hungary. Tick species were identified as Ixodes ricinus ( n = 598), Ixodes frontalis ( n = 18), Ixodes lividus ( n = 6), Haemaphysalis concinna ( n = 321), and D. reticulatus ( n = 1). All 12 Hyalomma sp. ticks (11 engorged nymphs and 1 unengorged larva) were identified as H. rufipes based on three mitochondrial markers. This species was only found in the Transdanubian region and along its southeastern border. The Common Blackbird and the European Robin were the two main hosts of I. ricinus and I. frontalis , whereas H. concinna was almost exclusively collected form long-distance migrants. The predominant hosts of H. rufipes were reed-associated bird species, the Sedge Warbler and the Bearded Reedling, both in their nesting period. This study provides ornithological explanation for the regional, century-long presence of adult Hyalomma ticks under continental climate in the Transdanubian Region of the Carpathian Basin. More importantly, the autochthonous occurrence of a H. rufipes population was revealed for the first time in Europe, based on the following observations: (1) the bird species infested with H. rufipes are not known to migrate during their nesting period; (2) one larva was not yet engorged; (3) the larva and the nymphs must have belonged to different local generations; and (4) all H. rufipes found in the relevant location were identical in their haplotypes based on three maternally inherited mitochondrial markers, probably reflecting founder effect. This study also demonstrated regional and temporal differences in tick species carried by birds.}, keywords = {Central Europe; BIRD MIGRATION; Hyalomma; Ixodes; Haemaphysalis}, year = {2023}, eissn = {2297-1769}, pages = {1-10}, orcid-numbers = {Csörgő, Tibor/0000-0002-7060-9853; Tamás, Enikő Anna/0000-0001-6768-0352; Gyurácz, József/0000-0001-7407-1715; Kiss, Orsolya/0000-0001-9500-7130; Sándor, Attila/0000-0001-8852-8341} } @article{MTMT:33231785, title = {Moult, sex and food are the most important factors regulated the timing of migration of north Asian Passerines}, url = {https://m2.mtmt.hu/api/publication/33231785}, author = {Bozó, László and Anisimov, Yury and Csörgő, Tibor}, doi = {10.1007/s43388-022-00108-y}, journal-iso = {Ornithol. Res.}, journal = {Ornithology Research}, volume = {30}, unique-id = {33231785}, abstract = {Bird migration is a highly complex, regulated process, of which timing is an essential element. The timing of migration is influenced by moult, age, sex and food of the birds, as well as the distance between the breeding and wintering sites. In this study, we used data from a ringing station on the shores of Lake Baikal to investigate factors influencing migration timing for species with different migration and moulting strategies, wintering sites and feeding habits. In general, we found that the migration of Passerine across Lake Baikal is influenced by similar factors to those of other migratory species in other migratory flyways. For most species, adult birds migrated through the area earlier in both spring and autumn. In spring, protandrous migration was detected for most of the species, while in autumn, differences in migration timing were less common. Migratory birds migrate later in spring and earlier in autumn, the longer the distance between nesting and wintering sites. It is important to highlight, however, that in both seasons only moulting, sex and food type had an equal influence on the timing of migration, while migration distance and age regulated migration in only one season or the other. In both spring and autumn, we observed differences in the timing of the migration of different species. Studies on the migration of north Asian Passerines are important in the future as the populations of several once common species have declined dramatically in recent times.}, year = {2022}, eissn = {2662-673X}, pages = {262-270}, orcid-numbers = {Csörgő, Tibor/0000-0002-7060-9853} } @article{MTMT:33069525, title = {Delay in arrival: lineage-specific influence of haemosporidians on autumn migration of European robins}, url = {https://m2.mtmt.hu/api/publication/33069525}, author = {Ágh, Nóra and Csörgő, Tibor and Szöllősi, Eszter}, doi = {10.1007/s00436-022-07621-5}, journal-iso = {PARASITOL RES}, journal = {PARASITOLOGY RESEARCH}, volume = {121}, unique-id = {33069525}, issn = {0932-0113}, abstract = {Haemosporidian blood parasites are widely used in evolutionary ecological research when exploring the effects of parasites on different life-history traits of their bird hosts. However, their roles in bird migration are less studied. If these parasites deteriorate the body condition of the birds strongly, they might negatively affect the whole migration phenology and the survival of the birds as well. In our study, we tested the relationships between infection for parasite genera ( Haemoproteus or Plasmodium ), the three most frequent parasite lineages and body condition (body mass, fat deposit), and the timing of autumn migration in the European Robin ( Erithacus rubecula ). We found that mean body mass and fat scores did not differ between parasitized and non-parasitized individuals, but infected juveniles arrived later than their non-infected counterparts. The difference in the arrival time of parasitized and non-parasitized birds was greater in the case of Haemoproteus infections. However, when we analysed the effects of the distinct parasite lineages separately, we found that prevalence of parasite lineages correlated with the body mass, fat storage, and timing of autumn migration of the birds in a different direction. Our results therefore emphasize the importance of testing the impacts of the different parasites individually, because possible lineage-specific effects on bird condition during migration might exist.}, year = {2022}, eissn = {1432-1955}, pages = {2831-2840}, orcid-numbers = {Ágh, Nóra/0000-0001-9184-912X; Csörgő, Tibor/0000-0002-7060-9853; Szöllősi, Eszter/0000-0003-2913-2894} }