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Relevant bibliographies by topics / Ottenby Bird Observatory

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Academic literature on the topic 'Ottenby Bird Observatory'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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Journal articles on the topic "Ottenby Bird Observatory"

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Jonzén, Niclas, Dario Piacentini, Arne Andersson, et al. "The timing of spring migration in trans-Saharan migrants: a comparison between Ottenby, Sweden and Capri, Italy." Ornis Svecica 16, no. 1–2 (2021): 27–33. http://dx.doi.org/10.34080/os.v16.22412.

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Some migratory birds have advanced their spring arrival to Northern Europe, possibly by increasing the speed of migration through Europe in response to increased temperature en route. In this paper we compare the phenology of spring arrival of seven trans-Saharan migrants along their migration route and test for patterns indicating that migration speed varied over the season using long-term data collected on the Italian island of Capri and at Ottenby Bird Observatory, Sweden. There was a linear relationship between median arrival dates on Capri and at Ottenby. The slope was not significantly d

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Norevik, Gabriel. "Horned Grebe Podiceps auritus and Red-necked Grebe Podiceps grisegena in Sweden 2011 – results from a national survey." Ornis Svecica 24, no. 3–4 (2014): 81–98. http://dx.doi.org/10.34080/os.v24.22557.

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The breeding populations of Horned Grebe Podiceps auritus and Red-necked Grebe Podiceps grisegena were surveyed in Sweden 2011. The estimate for Horned Grebe was 2,000 pairs, an increase from about 1,200 pairs in 1996 towards the estimate of 2,200 pairs in 1972. The estimate for Red-necked Grebe was 1,300 pairs and the population size has most certainly increased in the last decades. Habitat use among the breeding birds differed between species and region. In south Sweden, both species were most commonly found in artificial water bodies, and a recent increase in the numbers of such waters may

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3

Svanberg, Staffan, and Jonas Waldenström. "Population fluctuations and timing of spring migration of the Scandinavian Bluethroat Luscinia svecica svecica at Ottenby Bird Observatory, Sweden, 1955–2008." Ornis Svecica 21, no. 2–4 (2011): 92–100. http://dx.doi.org/10.34080/os.v21.22603.

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In this study, 54 years (1955–2008) of consecutive trapping data from Ottenby Bird Observatory on the island of Öland, SE Sweden, was used to analyze the spring passage of the Scandinavian subspecies of the Bluethroat Luscinia svecica svecica. The aim was to investigate trends in the numbers of Bluethroat passing this site and to provide statistics related to the phenology of migration. Trapping of Bluethroats at Ottenby may be seen as an index of population numbers in the recruitment area, especially for the latest decades when trapping conditions have been standardized. The number of trapped

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Andersson, Stina, Daniel Bengtsson, Magnus Hellström, and Jonas Waldenström. "Age and sex determination of Mallards Anas platyrhynchos in autumn." Ornis Svecica 26, no. 2 (2016): 61–81. http://dx.doi.org/10.34080/os.v26.22530.

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Male and female mallards Anas platyrhynchos are easily told apart, whereas ageing is problematic, due to individual timing of moult and lack of easily defined age criteria. From examination and photographic documentation of mallards caught at Ottenby Bird Observatory (56°12′N, 16°24′E), we describe nine characters of plumage and bare parts to be used for ageing in autumn. The reliability of these characters was tested by letting experienced bird ringers determine putative age of birds from photos. Age determination from any single character proved to be uncertain, as correctly assigned mallard

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Ryttman, Hans. "Aggressiva talgoxar Parus major: utsvultna fåglar eller tillhörande en annan population?" Ornis Svecica 27, no. 2–4 (2017). http://dx.doi.org/10.34080/os.v27.19560.

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During autumn 2016, bird ringing stations in east Sweden observed Great Tits Parus major with extremely aggressive behaviour. They attacked smaller birds such as Goldcrests Regulus regulus, killed them and ate the brain or the content of the belly. I examine with data from Ottenby Bird Observatory two explanations: the birds were exhausted after migration and very hungry or they were birds from an eastern population where aggressive behaviour has been suggested to be more common. Fat index and body mass did not indicate low energy stores and the weather was stable with wind from the east so th

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Wilhelmsson, Peter, Thomas G. T. Jaenson, Björn Olsen, Jonas Waldenström, and Per-Eric Lindgren. "Migratory birds as disseminators of ticks and the tick-borne pathogens Borrelia bacteria and tick-borne encephalitis (TBE) virus: a seasonal study at Ottenby Bird Observatory in South-eastern Sweden." Parasites & Vectors 13, no. 1 (2020). http://dx.doi.org/10.1186/s13071-020-04493-5.

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Abstract Background Birds can act as reservoirs of tick-borne pathogens and can also disperse pathogen-containing ticks to both nearby and remote localities. The aims of this study were to estimate tick infestation patterns on migratory birds and the prevalence of different Borrelia species and tick-borne encephalitis virus (TBEV) in ticks removed from birds in south-eastern Sweden. Methods Ticks were collected from resident and migratory birds captured at the Ottenby Bird Observatory, Öland, Sweden, from March to November 2009. Ticks were molecularly identified to species, and morphologically

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Wilhelmsson, Peter, Olga Pawełczyk, Thomas G. T. Jaenson, et al. "Three Babesia species in Ixodes ricinus ticks from migratory birds in Sweden." Parasites & Vectors 14, no. 1 (2021). http://dx.doi.org/10.1186/s13071-021-04684-8.

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Abstract Background Migratory birds can cross geographical and environmental barriers and are thereby able to facilitate transmission of tick-borne pathogens both as carriers of infected ticks and as reservoirs of pathogenic microorganisms. Ixodes ricinus is one of the most abundant tick species in the Northern Hemisphere and a main vector of several Babesia species, some which pose a potential threat to human and animal health. At present only two cases of overt babesiosis in humans have so far been reported in Sweden. To better understand the potential role of birds as disseminators of zoono

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Dissertations / Theses on the topic "Ottenby Bird Observatory"

1

Bengtsson, Daniel. "Stopover Ecology of Mallards : Where, when and how to do what?" Doctoral thesis, Linnéuniversitetet, Institutionen för biologi och miljö (BOM), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-49801.

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The mallard (Anas platyrhynchos) is the most numerous and widespread duck in the northern hemisphere and a model species in ecology and harvest management. Migration is a crucial life stage for many birds and understanding the drivers of migration has important implications for conservation biology and assessment of animal population responses to global changes. Furthermore, mallard migration is a fundamental determinant of the epidemiology of many diseases of major relevance for both animal and human health. For example, it is the reservoir host for influenza A viruses (IAV), a widespread zoo

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