Hitchhikers’ guide to analysing bird ringing data

Harnos, Andrea; Csörgő, Tibor; Fehérvári, Péter

doi:10.1515/orhu-2017-0020

Cited by 3 publications

(2 citation statements)

References 12 publications

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“…Though purely descriptive studies are often hard to publish within the framework of current hypothesis-focused science, we feel that such studies may well play an outstanding role in generating new hypotheses. Therefore, it is essential that descriptive studies apply the most appropriate statistical methodologies (Harnos et al 2015(Harnos et al , 2017. The bulk of currently available data is often collected at permanent, long-term ringing stations where large amount of individuals of various species are trapped simultaneously .…”

Section: Introductionmentioning

confidence: 99%

Exploratory analyses ofmigration timing andmorphometrics of the European Robin(Erithacus rubecula)

et al. 2018

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Ornithological studies often rely on long-term bird ringing data sets as sources of information. However, basic descriptive statistics of raw data are rarely provided. In order to fill this gap, here we present the sixth item of a series of exploratory analyses of migration timing and body size measurements of the most frequent passerine species at a ringing station located in Central Hungary (1984–2017). First, we give a concise description of foreign ring recoveries of the European Robin in relation to Hungary. We then shift focus to data of 40,128 ringed and 11,231 recaptured individuals with 24,056 recaptures (several years recaptures in 313 individuals) derived from the ringing station, where birds have been trapped, handled and ringed with standardized methodology since 1984. Timing is described through annual and daily capture and recapture frequencies and their descriptive statistics. We show annual mean arrival dates within the study period and present the cumulative distributions of first captures with stopover durations. We present the distributions of wing, third primary, tail length and body mass, and the annual means of these variables. Furthermore, we show the distributions of individual fat and muscle scores, and the distributions of body mass within each fat score category.We distinguish the spring and autumn migratory periods and age groups (i.e. juveniles and adults). Our aim is to provide a comprehensive overview of the analysed variables. However, we do not aim to interpret the obtained results, merely to draw attention to interesting patterns that may be worth exploring in detail. Data used here are available upon request for further analyses.

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Section: Introductionmentioning

confidence: 99%

Exploratory analyses ofmigration timing andmorphometrics of the European Robin(Erithacus rubecula)

et al. 2018

Self Cite

View full text Add to dashboard Cite

show abstract

“…Though purely descriptive studies are often hard to publish within the framework of current hypothesis-focused science, we feel that such studies may well play an outstanding role in generating new hypotheses. Therefore, it is essential that descriptive studies apply the most appropriate statistical methodologies (Harnos et al 2015(Harnos et al , 2016(Harnos et al , 2017. The bulk of currently available data is often collected at permanent, long-term ringing stations where large amount of individuals of various species are trapped simultaneously (Csörgő et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Exploratory analyses of migration timing and morphometrics of the Thrush Nightingale (Luscinia luscinia)

Csörgő

Fehérvári

Karcza³

et al. 2018

Ornis Hungarica

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Ornithological studies often rely on long-term bird ringing data sets as sources of information. However, basic descriptive statistics of raw data are rarely provided. In order to fill this gap, here we present the seventh item of a series of exploratory analyses of migration timing and body size measurements of the most frequent Passerine species at a ringing station located in Central Hungary (1984–2017). First, we give a concise description of foreign ring recoveries of the Thrush Nightingale in relation to Hungary. We then shift focus to data of 1138 ringed and 547 recaptured individuals with 1557 recaptures (several years recaptures in 76 individuals) derived from the ringing station, where birds have been trapped, handled and ringed with standardized methodology since 1984. Timing is described through annual and daily capture and recapture frequencies and their descriptive statistics. We show annual mean arrival dates within the study period and present the cumulative distributions of first captures with stopover durations. We present the distributions of wing, third primary, tail length and body mass, and the annual means of these variables. Furthermore, we show the distributions of individual fat and muscle scores, and the distributions of body mass within each fat score category. We present data only for the autumn migratory period since there were only 27 spring captures in the study period. We distinguish the age groups (i.e. juveniles and adults) in the analyses. Our aim is to provide a comprehensive overview of the analysed variables. However, we do not aim to interpret the obtained results, merely to draw attention to interesting patterns that may be worth exploring in detail. Data used here are available upon request for further analyses.

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Exploratory analyses of migration timing and morphometrics of the Common Nightingale (Luscinia megarhynchos)

Csörgő

Fehérvári

Karcza³

et al. 2017

Ornis Hungarica

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View full text Add to dashboard Cite

Ornithological studies often rely on long-term bird ringing data sets as sources of information. However, basic descriptive statistics of raw data are rarely provided. In order to fill this gap, here we present the fifth item of a series of exploratory analyses of migration timing and body size measurements of the most frequent Passerine species at a ringing station located in Central Hungary (1984–2016). First, we give a concise description of foreign ring recoveries of the Common Nightingale in relation to Hungary. We then shift focus to data of 3892 ringed and 1499 recaptured individuals derived from the ringing station, where birds have been trapped, handled and ringed with standardized methodology since 1984. Timing is described through annual and daily capture and recapture frequencies and their descriptive statistics. We show annual mean arrival dates within the study period and present the cumulative distributions of first captures with stopover durations. We present the distributions of wing, third primary, tail length and body mass, and the annual means of these variables. Furthermore, we show the distributions of individual fat and muscle scores, and the distributions of body mass within each fat score category. We distinguish the spring and autumn migratory periods and breeding season and age groups (i.e. juveniles and adults). Our aim is to provide a comprehensive overview of the analysed variables. However, we do not aim to interpret the obtained results, merely to draw attention to interesting patterns that may be worth exploring in detail. Data used here are available upon request for further analyses.

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Hitchhikers’ guide to analysing bird ringing data

Cited by 3 publications

References 12 publications

Exploratory analyses ofmigration timing andmorphometrics of the European Robin(Erithacus rubecula)

Exploratory analyses ofmigration timing andmorphometrics of the European Robin(Erithacus rubecula)

Exploratory analyses of migration timing and morphometrics of the Thrush Nightingale (Luscinia luscinia)

Exploratory analyses of migration timing and morphometrics of the Common Nightingale (Luscinia megarhynchos)

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