17 Works

Data from: Parental effects alter the adaptive value of an adult behavioural trait

Rebecca M. Kilner, Giuseppe Boncoraglio, Jono M. Henshaw, Benjamin J. M. Jarrett, Ornela De Gasperin, Hanna Kokko, Benjamin JM Jarrett, Alfredo Attisano & Jonathan M Henshaw
The parents' phenotype, or the environment they create for their young, can have long-lasting effects on their offspring, with profound evolutionary consequences. Yet virtually no work has considered how such parental effects might change the adaptive value of behavioural traits expressed by offspring upon reaching adulthood. To address this problem, we combined experiments on burying beetles (Nicrophorus vespilloides) with theoretical modelling, and focussed on one adult behavioural trait in particular: the supply of parental care....

Habitat features and colony characteristics influencing ant personality and its fitness consequences

István Maák, Trigos-Peral Gema, Ślipiński Piotr, Grześ Irena & Horváth Gergely
Several factors can influence individual and group behavioral variation that can have important fitness consequences. In this study, we tested how two habitat types (semi-natural meadows and meadows invaded by Solidago plants) and factors like colony and worker size and nest density influence behavioral (activity, meanderness, exploration, aggression, nest displacement) variation on different levels of the social organization of Myrmica rubra ants and how these might affect the colony productivity. We assumed that the factors...

Data from: Which tools to use? choice optimization in the tool-using ant, Aphaenogaster subterranea

Gábor Lőrinczi, Gábor Módra, Orsolya Juhász & István Maák
When encountering liquid food sources, ants of the genus Aphaenogaster drop various materials as tools into the food, and then carry the food-soaked tools back to the nest. Although this is one of the most well-documented examples of tool use in insects, we know little about which factors influence their choice of tools during foraging. Here, we investigated the tool-using behavior of Aphaenogaster subterranea by examining, across a range of settings, how tool-using workers deal...

Data from: Reliability assessment of null allele detection: inconsistencies between and within different methods

Michal J. Dąbrowski, Malgorzata Pilot, Marcin Kruczyk, Michal Żmihorski, Husen M. Umer & Joanna Gliwicz
Microsatellite loci are widely used in population genetic studies, but the presence of null alleles may lead to biased results. Here, we assessed five methods that indirectly detect null alleles and found large inconsistencies among them. Our analysis was based on 20 microsatellite loci genotyped in a natural population of Microtus oeconomus sampled during 8 years, together with 1200 simulated populations without null alleles, but experiencing bottlenecks of varying duration and intensity, and 120 simulated...

Data from: MHC-mediated sexual selection on bird song: generic polymorphism, particular alleles and acoustic signals

László Z. Garamszegi, Magdalena Zagalska-Neubauer, David Canal, György Blázi, Miklós Laczi, Gergely Nagy, Eszter Szöllősi, Éva Vaskuti, János Török & Sándor Zsebők
Several hypotheses predict that the major histocompatibility complex (MHC) drives mating preference in females. Olfactory, color or morphological traits are often found as reliable signals of the MHC profile, but the role of avian song mediating MHC-based female choice remains largely unexplored. We investigated the relationship between several MHC and acoustic features in the collared flycatcher (Ficedula albicollis) a European passerine with complex songs. We screened a fragment of the class IIB 2nd exon of...

Data from: Effects of interspecific coexistence on laying date and clutch size in two closely related species of hole‐nesting birds

Anders Pape Møller, Javier Balbontin, André A. Dhondt, Vladimir Remeš, Frank Adriaensen, Clotilde Biard, Jordi Camprodon, Mariusz Cichoń, Blandine Doligez, Anna Dubiec, Marcel Eens, Tapio Eeva, Anne E. Goodenough, Andrew G. Gosler, Lars Gustafsson, Philipp Heeb, Shelley A. Hinsley, Staffan Jacob, Rimvydas Juškaitis, Toni Laaksonen, Bernard Leclercq, Bruno Massa, Tomasz D. Mazgajski, Rudi G. Nager, Jan-Åke Nilsson … & Ruedi G. Nager
Coexistence between great tits Parus major and blue tits Cyanistes caeruleus, but also other hole‐nesting taxa, constitutes a classic example of species co‐occurrence resulting in potential interference and exploitation competition for food and for breeding and roosting sites. However, the spatial and temporal variations in coexistence and its consequences for competition remain poorly understood. We used an extensive database on reproduction in nest boxes by great and blue tits based on 87 study plots across...

Data from: On the origin of mongrels: evolutionary history of free-breeding dogs in Eurasia

Małgorzata Pilot, Tadeusz Malewski, Andre E. Moura, Tomasz Grzybowski, Kamil Oleński, Anna Ruść, Stanisław Kamiński, Fernanda Fadel, Daniel S. Mills, Abdulaziz N. Alagaili, Osama B. Mohammed, Grzegorz Kłys, Innokentiy M. Okhlopkov, Ewa Suchecka, Wieslaw Bogdanowicz & Fernanda Ruiz Fadel
Although a large part of the global domestic dog population is free-ranging and free-breeding, knowledge of genetic diversity in these free-breeding dogs (FBDs) and their ancestry relations to pure-breed dogs is limited, and the indigenous status of FBDs in Asia is still uncertain. We analyse genome-wide SNP variability of FBDs across Eurasia, and show that they display weak genetic structure and are genetically distinct from pure-breed dogs rather than constituting an admixture of breeds. Our...

Data from: Haldane’s rule revisited: do hybrid females have a shorter lifespan? Survival of hybrids in a recent contact zone between two large gull species

Grzegorz Neubauer, Piotr Nowicki & Magdalena Zagalska-Neubauer
Haldane’s rule predicts that particularly high fitness reduction should affect the heterogametic sex of interspecific hybrids. Despite the fact that hybridization is widespread in birds, survival of hybrid individuals is rarely addressed in studies of avian hybrid zones, possibly because of methodological constraints. Here, having applied capture-mark-recapture models to an extensive, 19-year-long dataset on individually marked birds, we estimate annual survival rates of hybrid individuals in the hybrid zone between herring (Larus argentatus) and Caspian...

Data from: Evidence for personality conformity, not social niche specialization in social jays

Kelsey McCune, Piotr Jablonski, Sang-Im Lee & Renee Ha
Animal personality traits are defined as consistent individual differences in behavior over time and across contexts. Occasionally this inflexibility results in maladaptive behavioral responses to external stimuli. However, in social groups inflexible behavioral phenotypes might be favored as this could lead to more predictable social interactions. Two hypotheses seek to describe the optimal distribution of personality types within groups. The social niche specialization hypothesis states that individuals within groups should partition social roles, like personality...

Data from: Experimentally increased reproductive effort alters telomere length in the blue tit (Cyanistes caeruleus)

Joanna Sudyka, Aneta Arct, Szymon Drobniak, Anna Dubiec, Lars Gustafsson & Mariusz Cichoń
Telomeres have recently been suggested to play important role in ageing and are considered to be a reliable ageing biomarkers. The life history theory predicts that costs of reproduction should be expressed in terms of accelerated senescence, and some empirical studies do confirm such presumption. Thus, a link between reproductive effort and telomere dynamics should be anticipated. Recent studies have indeed demonstrated that reproduction may trigger telomere loss, but actual impact of reproductive effort has...

Data from: Queen-worker ratio affects reproductive skew in a socially polymorphic ant

Bartosz Walter & Jürgen Heize
The partitioning of reproduction among individuals in communally breeding animals varies greatly among species, from the monopolization of reproduction (high reproductive skew) to similar contribution to the offspring in others (low skew). Reproductive skew models explain how relatedness or ecological constraints affect the magnitude of reproductive skew. They typically assume that individuals are capable of flexibly reacting to social and environmental changes. Most models predict a decrease of skew when benefits of staying in the...

Habitat selection of foraging male Great Snipes on floodplain meadows: importance of proximity to the lek, vegetation cover and bare ground

Michał Korniluk, Paweł Białomyzy, Grzegorz Grygoruk, Łukasz Kozub, Marcin Sielezniew, Piotr Świętochowski, Tomasz Tumiel, Marcin Wereszczuk & Przemysław Chylarecki
Drainage of wetlands and agricultural intensification has resulted in serious biodiversity loss in Europe, not least in grasslands. Consequently, many meadow birds have drastically declined, and the habitats they select for breeding currently rely on land management. However, the selection of habitats maintained by agriculture may contribute to reduced fitness and thus remain maladaptive for individuals, which makes conservation challenging. An understanding of the relationships between species’ habitat selection, food supply and land management in...

Drones, automatic counting tools and artificial neural networks in wildlife population censusing

Dominik Marchowski
1. The use of a drone to count the flock sizes of 33 species of waterbirds during the breeding and non-breeding periods was investigated. 2. In 96% of 343 cases, drone counting was successful. 18.8% of non-breeding birds and 3.6% of breeding birds exhibited adverse reactions: the former birds were flushed, whereas the latter attempted to attack the drone. 3. The automatic counting of birds was best done with ImageJ/Fiji microbiology software – the average...

Data from: The early-life environment and individual plasticity in life history

Ornela De Gasperin, Ana Duarte, Sinead English, Alfredo Attisano & Rebecca M. Kilner
We tested whether the early-life environment can influence the extent of individual plasticity in a life history trait. We asked: can the early-life environment explain why, in response to the same adult environmental cue, some individuals invest more than others in current reproduction? And can it additionally explain why investment in current reproduction trades off against survival in some individuals, but is positively correlated with survival in others? We addressed these questions using the burying...

Data from: Influence of haemosporidian infection status on structural and carotenoid‐based colouration in the blue tit (Cyanistes caeruleus)

Katarzyna Janas, Edyta Podmokła, Dorota Lutyk, Anna Dubiec, Lars Gustafsson, Mariusz Cichoń & Szymon Drobniak
Hypotheses postulating parasite-mediated mate choice intrinsically assume that parasitic infections deteriorate the quality of male ornamentation. Although this assumption has often been studied in the context of carotenoid-based colouration, only few studies investigated this with reference to structural feather colouration, which in many species plays a vital role in sexual selection. Here, using a three-years dataset from a wild blue tit (Cyanistes caeruleus) population, we examined the relationship between the haemosporidian infection status and the...

Data from: Effect of haemosporidian infections on host survival and recapture rate in the blue tit

Edyta Podmokła, Anna Dubiec, Szymon M. Drobniak, Joanna Sudyka, Adam Krupski, Aneta Arct, Lars Gustafsson & Mariusz Cichoń
Parasites are ubiquitous in the wild and by imposing fitness costs on their hosts they constitute an important selection factor. One of the most common parasites of wild birds are Plasmodium and Haemoproteus, protozoans inhabiting the blood, which cause avian malaria and malaria-like disease, respectively. Although they are expected to cause negative effects in infected individuals, in many cases studies in natural populations failed to detect such effect. Using data from seven breeding seasons (2008...

Data from: ‘True’ null allele detection in microsatellite loci: a comparison of methods, assessment of difficulties, and survey of possible improvements

Michał J. Dąbrowski, Susanne Bornelöv, Marcin Kruczyk, Nicholas Baltzer & Jan Komorowski
Null alleles are alleles that for various reasons fail to amplify in a PCR assay. The presence of null alleles in microsatellite data is known to bias the genetic parameter estimates. Thus, efficient detection of null alleles is crucial, but the methods available for indirect null allele detection return inconsistent results. Here, our aim was to compare different methods for null allele detection, to explain their respective performance and to provide improvements. We applied several...

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