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  1. Content type: Research

    Monogononta is a large clade of rotifers comprised of diverse morphological forms found in a wide range of ecological habitats. Most monogonont species display cyclical parthenogenesis, where generations of as...

    Authors: Ludwik Gąsiorowski, Anlaug Furu and Andreas Hejnol

    Citation: Frontiers in Zoology 2019 16:33

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  2. Content type: Research

    Large numbers of endemic species inhabit subantarctic continental coasts and islands that are characterised by highly variable environmental conditions. Southern hemisphere populations of taxa that are morphol...

    Authors: Małgorzata Zbawicka, Jonathan P. A. Gardner and Roman Wenne

    Citation: Frontiers in Zoology 2019 16:32

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  3. Content type: Research

    Selecting high-quality habitat and the optimal time to reproduce can increase individual fitness and is a strong evolutionary factor shaping animal populations. However, few studies have investigated the inter...

    Authors: Petra Sumasgutner, Julien Terraube, Aurélie Coulon, Alexandre Villers, Nayden Chakarov, Luise Kruckenhauser and Erkki Korpimäki

    Citation: Frontiers in Zoology 2019 16:31

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  4. Content type: Research

    Over the last years, the amphipod crustacean Parhyale hawaiensis has developed into an attractive marine animal model for evolutionary developmental studies that offers several advantages over existing experiment...

    Authors: Christin Wittfoth, Steffen Harzsch, Carsten Wolff and Andy Sombke

    Citation: Frontiers in Zoology 2019 16:30

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  5. Content type: Research

    The trochozoan excitatory peptide (EP) and its ortholog, the arthropod CCHamide, are neuropeptides that are only investigated in very few animal species. Previous studies on different trochozoan species focuse...

    Authors: Daniel Thiel, Philipp Bauknecht, Gáspár Jékely and Andreas Hejnol

    Citation: Frontiers in Zoology 2019 16:28

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  6. Content type: Research

    Birdsong, a key model in animal communication studies, has been the focus of intensive research. Song traits are commonly considered to reflect differences in individual or territory quality. Yet, few studies ...

    Authors: Marc Naguib, Joris Diehl, Kees van Oers and Lysanne Snijders

    Citation: Frontiers in Zoology 2019 16:27

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  7. Content type: Research

    Animals inhabiting high altitudes consistently show slow life-histories. The pace-of-life syndrome (POLS) hypothesis posits behavioural, physiological and/or morphological traits that mediate the trade-off bet...

    Authors: Jiapeng Qu, Denis Réale, Quinn E. Fletcher and Yanming Zhang

    Citation: Frontiers in Zoology 2019 16:26

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  8. Content type: Research

    Male-male aerial contests of territorial butterflies are difficult to explain by major contest models based on game theory because of butterflies’ apparent inability to inflict substantial costs on their oppon...

    Authors: Tsuyoshi Takeuchi, Shinji Yabuta and Hiroyuki Takasaki

    Citation: Frontiers in Zoology 2019 16:22

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  9. Content type: Research

    Mammals in the far north are exposed to extreme seasonal changes in environmental conditions, such as temperature and photoperiod, which have notable effects on animal physiology and behaviour. The wolverine (Gul...

    Authors: Alexandra Thiel, Alina L. Evans, Boris Fuchs, Jon M. Arnemo, Malin Aronsson and Jens Persson

    Citation: Frontiers in Zoology 2019 16:21

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  10. Content type: Research

    Poaching is a prominent source of ‘hidden hurdles’, cryptic impacts of human activities that may hinder the conservation of animal populations. Estimating poaching mortality is challenging, as the evidence for...

    Authors: Luca Corlatti, Ana Sanz-Aguilar, Giacomo Tavecchia, Alessandro Gugiatti and Luca Pedrotti

    Citation: Frontiers in Zoology 2019 16:20

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  11. Content type: Research

    Mucus and mucus glands are important features of the amphibian cutis. In tree frogs, the mucus glands and their secretions are crucial components of the adhesive digital pads of these animals. Despite a variet...

    Authors: Julian K.A. Langowski, Saranshu Singla, Alex Nyarko, Henk Schipper, Frank T. van den Berg, Sukhmanjot Kaur, Henry C. Astley, Sander W.S. Gussekloo, Ali Dhinojwala and Johan L. van Leeuwen

    Citation: Frontiers in Zoology 2019 16:19

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  12. Content type: Research

    Immunohistochemical studies of hearts from the lesser spotted dogfish, Scyliorhinus canicula (Chondrichthyes) revealed that the pan-myosin heavy chain (pan-MyHC) antibody MF20 homogeneously labels all the myocard...

    Authors: Miguel A. López-Unzu, Ana Carmen Durán, María Teresa Soto-Navarrete, Valentín Sans-Coma and Borja Fernández

    Citation: Frontiers in Zoology 2019 16:18

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  13. Content type: Research

    Lizards are excellent models to study the adaptations of the visual system to different scenarios, and surface-dwelling representatives have been relatively well studied. In contrast, very little is known abou...

    Authors: Carola A. M. Yovanovich, Michele E. R. Pierotti, Miguel Trefaut Rodrigues and Taran Grant

    Citation: Frontiers in Zoology 2019 16:17

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  14. Content type: Research

    Onychophorans, commonly known as velvet worms, display a remarkable diversity of reproductive strategies including oviparity, and placentotrophic, lecithotrophic, matrotrophic or combined lecithotrophic/matrot...

    Authors: Sandra Treffkorn, Oscar Yesid Hernández-Lagos and Georg Mayer

    Citation: Frontiers in Zoology 2019 16:16

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  15. Content type: Research

    Marine and intertidal organisms face the rhythmic environmental changes induced by tides. The large amplitude of spring tides that occur around full and new moon may threaten nests of ground-nesting birds. The...

    Authors: Silvia Plaschke, Martin Bulla, Medardo Cruz-López, Salvador Gómez del Ángel and Clemens Küpper

    Citation: Frontiers in Zoology 2019 16:15

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  16. Content type: Methodology

    Researchers often document wildlife surveys using images. These images contain data that can be used to understand alterative research objectives, even years after they were originally captured. We have develo...

    Authors: Caitlin E. Black, Hannah S. Mumby and Michelle D. Henley

    Citation: Frontiers in Zoology 2019 16:14

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  17. Content type: Research

    Animal vocal signals encode very important information for communication during which the importance of temporal and spectral characteristics of vocalizations is always asymmetrical and species-specific. Howev...

    Authors: Yanzhu Fan, Xizi Yue, Jing Yang, Jiangyan Shen, Di Shen, Yezhong Tang and Guangzhan Fang

    Citation: Frontiers in Zoology 2019 16:13

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  18. Content type: Research

    In mammals, the hibernating state is characterized by biochemical adjustments, which include metabolic rate depression and a shift in the primary fuel oxidized from carbohydrates to lipids. A number of studies...

    Authors: Blandine Chazarin, Kenneth B. Storey, Anna Ziemianin, Stéphanie Chanon, Marine Plumel, Isabelle Chery, Christine Durand, Alina L. Evans, Jon M. Arnemo, Andreas Zedrosser, Jon E. Swenson, Guillemette Gauquelin-Koch, Chantal Simon, Stephane Blanc, Etienne Lefai and Fabrice Bertile

    Citation: Frontiers in Zoology 2019 16:12

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  19. Content type: Research

    Shortening photoperiod triggers seasonal adjustments like cessation of reproduction, molting and heterothermy. However there is a considerable among-individual variation in photoresponsiveness within one popul...

    Authors: Anna S. Przybylska, Michał S. Wojciechowski and Małgorzata Jefimow

    Citation: Frontiers in Zoology 2019 16:11

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  20. Content type: Research

    Intermittent fasting (IF) is receiving increasing attention as an alternative to continuous restriction of calories because of its benefits in aging-related disease prevention and lifespan extension. However, ...

    Authors: Guang-Yun Li and Zhi-Qiang Zhang

    Citation: Frontiers in Zoology 2019 16:10

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  21. Content type: Research

    Entoprocta affinities within Lophotrochozoa remain unclear. In different studies, entoprocts are considered to be related to different groups, including Cycliophora, Bryozoa, Annelida, and Mollusca. The use of...

    Authors: Anastasia O. Borisanova, Vladimir V. Malakhov and Elena N. Temereva

    Citation: Frontiers in Zoology 2019 16:9

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  22. Content type: Research

    Effective communication between sexual partners is essential for successful reproduction. Avian parents with biparental incubation need to know how to negotiate, when and who will incubate, and how to harmoniz...

    Authors: Martin Sládeček, Eva Vozabulová, Kateřina Brynychová and Miroslav E. Šálek

    Citation: Frontiers in Zoology 2019 16:7

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  23. Content type: Research

    Recent phylogenomic analyses congruently reveal a basal clade which consists of Oweniidae and Mageloniidae as sister group to the remaining Annelida. These results indicate that the last common ancestor of Ann...

    Authors: Patrick Beckers, Conrad Helm, Günter Purschke, Katrine Worsaae, Pat Hutchings and Thomas Bartolomaeus

    Citation: Frontiers in Zoology 2019 16:6

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  24. Content type: Research

    Previous analyses of factors influencing footfall timings and gait selection in quadrupeds have focused on the implications for energetic cost or gait mechanics separately. Here we present a model for symmetri...

    Authors: Charlotte Elizabeth Miller, Laura Elizabeth Johnson, Henry Pinkard, Pierre Lemelin and Daniel Schmitt

    Citation: Frontiers in Zoology 2019 16:5

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  25. Content type: Research

    The fitness of holometabolous insects depends largely on resources acquired at the larval stage. Larval density is an important factor modulating larval resource-acquisition, influencing adult survival, reprod...

    Authors: Juliano Morimoto, Binh Nguyen, Hue Dinh, Anh The Than, Phillip W. Taylor and Fleur Ponton

    Citation: Frontiers in Zoology 2019 16:4

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  26. Content type: Research

    The relationships among energy metabolic levels, behavioral and other physiological traits help to determine the trade-off of energy allocation between different traits and the evolution of life-history driven...

    Authors: Wenyi Zhang, Cuijuan Niu, Yukun Liu and Kenneth B. Storey

    Citation: Frontiers in Zoology 2019 16:3

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  27. Content type: Debate

    The Australian dingo continues to cause debate amongst Aboriginal people, pastoralists, scientists and the government in Australia. A lingering controversy is whether the dingo has been tamed and has now rever...

    Authors: J. William O. Ballard and Laura A. B. Wilson

    Citation: Frontiers in Zoology 2019 16:2

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  28. Content type: Research

    Habitat quality is one main trigger for the persistence of butterflies. The effects of the influencing biotic and abiotic factors may be enhanced by the challenging conditions in high-alpine environments. To b...

    Authors: Stefan Ehl, Niklas Böhm, Manuel Wörner, László Rákosy and Thomas Schmitt

    Citation: Frontiers in Zoology 2019 16:1

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  29. Content type: Research

    Trait based functional and community ecology is en vogue. Most studies, however, ignore phenotypical diversity by characterizing entire species considering only trait means rather than their variability. Phenotyp...

    Authors: Adrian Brückner, Romina Schuster, Katja Wehner and Michael Heethoff

    Citation: Frontiers in Zoology 2018 15:50

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  30. Content type: Research

    Among bryozoans, cyclostome anatomy is the least studied by modern methods. New data on the nervous system fill the gap in our knowledge and make morphological analysis much more fruitful to resolve some quest...

    Authors: Elena N. Temereva and Igor A. Kosevich

    Citation: Frontiers in Zoology 2018 15:48

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  31. Content type: Research

    Amphibian defence against predators and microorganisms is directly related to cutaneous glands that produce a huge number of different toxins. These glands are distributed throughout the body but can form accu...

    Authors: Pedro Luiz Mailho-Fontana, Marta Maria Antoniazzi, Juliana Mozer Sciani, Daniel Carvalho Pimenta, Katia Cristina Barbaro and Carlos Jared

    Citation: Frontiers in Zoology 2018 15:46

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  32. Content type: Research

    It is widely assumed that variation in fitness components has a physiological basis that might underlie selection on trade-offs, but the mechanisms driving decreased survival and future fecundity remain elusiv...

    Authors: Melinda A. Fowler, Mélissa Paquet, Véronique Legault, Alan A. Cohen and Tony D. Williams

    Citation: Frontiers in Zoology 2018 15:45

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  33. Content type: Research

    A number of shelled and shell-less gastropods are known to use multiple defensive mechanisms, including internally generated or externally obtained biochemically active compounds and structures. Within Nudiple...

    Authors: Jessica A. Goodheart, Sabrina Bleidißel, Dorothee Schillo, Ellen E. Strong, Daniel L. Ayres, Angelika Preisfeld, Allen G. Collins, Michael P. Cummings and Heike Wägele

    Citation: Frontiers in Zoology 2018 15:43

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  34. Content type: Research

    Species delineation is particularly challenging in taxa with substantial intra-specific variation. In systematic studies of fishes, meristics and linear measurements that describe shape are often used to delin...

    Authors: Maarten Van Steenberge, Joost André Maria Raeymaekers, Pascal István Hablützel, Maarten Pieterjan Maria Vanhove, Stephan Koblmüller and Jos Snoeks

    Citation: Frontiers in Zoology 2018 15:42

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  35. Content type: Research

    For brown bears (Ursus arctos), hibernation is a critical part of the annual life cycle because energy savings during hibernation can be crucial for overwintering, and females give birth to cubs at that time. For...

    Authors: M M Delgado, G Tikhonov, E Meyke, M Babushkin, T Bespalova, S Bondarchuk, A Esengeldenova, I Fedchenko, Y Kalinkin, A Knorre, G Kosenkov, V Kozsheechkin, A Kuznetsov, E Larin, D Mirsaitov, I Prokosheva…

    Citation: Frontiers in Zoology 2018 15:41

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  36. Content type: Research

    Birds, across their annual cycle, progress through sequences of life-history stages such as reproduction and molt. The mechanisms that control annual avian itineraries involve endocrine responses triggered by ...

    Authors: Rene Quispe, Elizabeth Yohannes and Manfred Gahr

    Citation: Frontiers in Zoology 2018 15:39

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  37. Content type: Research

    The facial musculature is a remarkable anatomical complex involved in vital activities of fishes, such as food capture and gill ventilation. The evolution of the facial muscles is largely unknown in most major...

    Authors: Aléssio Datovo and Pedro P Rizzato

    Citation: Frontiers in Zoology 2018 15:40

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  38. Content type: Research

    Density estimation is a key issue in wildlife management but is particularly challenging and labour-intensive for elusive species. Recently developed approaches based on remotely collected data and capture-rec...

    Authors: Luca Mattioli, Antonio Canu, Daniela Passilongo, Massimo Scandura and Marco Apollonio

    Citation: Frontiers in Zoology 2018 15:38

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  39. Content type: Research

    Interspecies variation in avian egg shape and size is understandable in terms of adaptation, allometry and phylogeny. Within-species variation in egg properties influences offspring fitness and can be explaine...

    Authors: Mirosława Bańbura, Michał Glądalski, Adam Kaliński, Marcin Markowski, Joanna Skwarska, Jarosław Wawrzyniak, Piotr Zieliński and Jerzy Bańbura

    Citation: Frontiers in Zoology 2018 15:34

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