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  1. Obligate brood parasites exert strong selective pressure on target hosts. In response, hosts typically evolve anti-parasitism strategies, of which egg recognition is one of the most efficient. Generally, host ...

    Authors: Canchao Yang, Longwu Wang, Shun-Jen Cheng, Yu-Cheng Hsu, Anders Pape Møller and Wei Liang
    Citation: Frontiers in Zoology 2020 17:14
  2. Non-native species are often introduced in cities, where they take advantage of microclimatic conditions, resources provided by humans, and competitor/predator release to establish and proliferate. However, na...

    Authors: Dailos Hernández-Brito, Guillermo Blanco, José L. Tella and Martina Carrete
    Citation: Frontiers in Zoology 2020 17:13
  3. The chemosymbiotic gastropod Alviniconcha (Provannidae), first described in 1988, is one of the most emblematic hydrothermal-vent taxa described from the Central Indian Ridge and the Southwest (SW) Pacific. Symbi...

    Authors: Sven R. Laming, Stéphane Hourdez, Marie-Anne Cambon-Bonavita and Florence Pradillon
    Citation: Frontiers in Zoology 2020 17:12
  4. Sturgeons (Acipenseriformes) are polyploid chondrostean fish that constitute an important model species for studying development and evolution in vertebrates. To better understand the mechanisms of reproductio...

    Authors: Xiujuan Zhang, Jiabin Zhou, Linmiao Li, Wenzhong Huang, Hafiz Ishfaq Ahmad, Huiming Li, Haiying Jiang and Jinping Chen
    Citation: Frontiers in Zoology 2020 17:11
  5. Courtship vocalizations are used by males of many species to attract and influence the behavior of potential mating partners. Our aim here was to investigate the modulation and reproductive consequences of cou...

    Authors: Doris Nicolakis, Maria Adelaide Marconi, Sarah M. Zala and Dustin J. Penn
    Citation: Frontiers in Zoology 2020 17:10
  6. Severe hypoxia induces a series of stress responses in mammals; however, subterranean rodents have evolved several adaptation mechanisms of energy metabolisms and O2 utilization for hypoxia. Mammalian brains show...

    Authors: Qianqian Dong, Zishi Wang, Mengwan Jiang, Hong Sun, Xuqin Wang, Yangwei Li, Yifeng Zhang, Han Cheng, Yurong Chai, Tian Shao, Luye Shi and Zhenlong Wang
    Citation: Frontiers in Zoology 2020 17:9
  7. Genetic and ecological factors influence morphology, and morphology is compatible with function. The morphology and bite performance of skulls of bats show a number of characteristic feeding adaptations. The g...

    Authors: Biye Shi, Yuze Wang, Lixin Gong, Yang Chang, Tong Liu, Xin Zhao, Aiqing Lin, Jiang Feng and Tinglei Jiang
    Citation: Frontiers in Zoology 2020 17:8
  8. Research of many mammal species tends to focus on single habitats, reducing knowledge of ecological flexibility. The Javan lutung (Trachypithecus auratus) is considered a strict forest primate, and little is know...

    Authors: Malene Friis Hansen, Ventie Angelia Nawangsari, Floris M. van Beest, Niels Martin Schmidt, Mikkel Stelvig, Torben Dabelsteen and Vincent Nijman
    Citation: Frontiers in Zoology 2020 17:6
  9. The astonishing variety of sounds that birds can produce has been the subject of many studies aiming to identify the underlying anatomical and physical mechanisms of sound production. An interesting feature of...

    Authors: Hannah Joy Kriesell, Céline Le Bohec, Alexander F. Cerwenka, Moritz Hertel, Jean-Patrice Robin, Bernhard Ruthensteiner, Manfred Gahr, Thierry Aubin and Daniel Normen Düring
    Citation: Frontiers in Zoology 2020 17:5
  10. Pleuropodia are limb-derived glandular organs that transiently appear on the first abdominal segment in embryos of insects from majority of “orders”. They are missing in the genetic model Drosophila and little is...

    Authors: Barbora Konopová, Elisa Buchberger and Alastair Crisp
    Citation: Frontiers in Zoology 2020 17:4
  11. Amphibians are one of the most susceptible groups to climate change as their development occurs in aquatic environments or in microhabitats with high humidity. Accordingly, our primary objective was to investi...

    Authors: W. A. Manasee T. Weerathunga and Gayani Rajapaksa
    Citation: Frontiers in Zoology 2020 17:3
  12. In animals with altricial offspring, most growth occurs after birth and may be optimized by post-natal maternal care. Maternal effects on growth may be influenced by individual characteristics of the mothers, ...

    Authors: Liran Samuni, Patrick Tkaczynski, Tobias Deschner, Therese Löhrrich, Roman M. Wittig and Catherine Crockford
    Citation: Frontiers in Zoology 2020 17:1
  13. The apical organ is the most prominent neural structure in spiralian larvae. Although it has been thoroughly investigated in larvae of the class Pilidiophora in phylum Nemertea, studies on its structure in oth...

    Authors: Timur Yu Magarlamov, Vyacheslav Dyachuk and Alexey V. Chernyshev
    Citation: Frontiers in Zoology 2020 17:2
  14. The geometric patterns that adorn the shells of many phylogenetically disparate molluscan species are comprised of pigments that span the visible spectrum. Although early chemical studies implicated melanin as...

    Authors: Susanne Affenzeller, Klaus Wolkenstein, Holm Frauendorf and Daniel J. Jackson
    Citation: Frontiers in Zoology 2019 16:47
  15. Brachyuran crabs can effectively modulate cardiac stroke volume independently of heart rate in response to abiotic drivers. Non-invasive techniques can help to improve the understanding of cardiac performance ...

    Authors: Bastian Maus, Sebastian Gutsfeld, Hans-Otto Pörtner and Christian Bock
    Citation: Frontiers in Zoology 2019 16:46
  16. White-nose Syndrome (WNS) is a mycosis caused by a cutaneous infection with the fungus Pseudogymnoascus destructans (Pd). It produces hibernation mortality rates of 75–98% in 4 bats: Myotis lucifugus, M. septentr...

    Authors: Craig L. Frank, April D. Davis and Carl Herzog
    Citation: Frontiers in Zoology 2019 16:40
  17. The origin of birds is marked by a significant decrease in body size along with an increase in relative forelimb size. However, before the evolution of flight, both traits may have already been related: It has...

    Authors: José A. Palma Liberona, Sergio Soto-Acuña, Marco A. Mendez and Alexander O. Vargas
    Citation: Frontiers in Zoology 2019 16:44
  18. Fat storage is required for the life cycle of many organisms. The primary fat depot for most vertebrates is white adipose tissue. However, in primitive vertebrates (e.g., agnathan group and elasmobranchs), the...

    Authors: Wei Zhu, Meihua Zhang, Liming Chang, Wenbo Zhu, Cheng Li, Feng Xie, Huan Zhang, Tian Zhao and Jianping Jiang
    Citation: Frontiers in Zoology 2019 16:42
  19. Within-species skull shape variation of marsupial mammals is widely considered low and strongly size-dependent (allometric), possibly due to developmental constraints arising from the altricial birth of marsup...

    Authors: Vera Weisbecker, Thomas Guillerme, Cruise Speck, Emma Sherratt, Hyab Mehari Abraha, Alana C. Sharp, Claire E. Terhune, Simon Collins, Stephen Johnston and Olga Panagiotopoulou
    Citation: Frontiers in Zoology 2019 16:41
  20. Nervous tissue is an inherent component of the many specialized genital structures for transferring sperm directly into the female’s body. However, the male copulatory organ of spiders was considered a puzzlin...

    Authors: Tim M. Dederichs, Carsten H. G. Müller, Lenka Sentenská, Elisabeth Lipke, Gabriele Uhl and Peter Michalik
    Citation: Frontiers in Zoology 2019 16:39
  21. In contrast to traditional models of purifying selection and a single aposematic signal in Müllerian complexes, some communities of unprofitable prey contain members with multiple aposematic patterns. Processe...

    Authors: Matej Bocek, Dominik Kusy, Michal Motyka and Ladislav Bocak
    Citation: Frontiers in Zoology 2019 16:38
  22. Although the sensory drive hypothesis can explain the geographic variation in echolocation frequencies of some bat species, the molecular mechanisms underlying this phenomenon are still unclear. The three line...

    Authors: Hanbo Zhao, Hui Wang, Tong Liu, Sen Liu, Longru Jin, Xiaobin Huang, Wentao Dai, Keping Sun and Jiang Feng
    Citation: Frontiers in Zoology 2019 16:37
  23. Pallenopsis patagonica (Hoek, 1881) is a morphologically and genetically variable sea spider species whose taxonomic classification is challenging. Currently, it is considered as a species complex including sever...

    Authors: Jana S. Dömel, Till-Hendrik Macher, Lars Dietz, Sabrina Duncan, Christoph Mayer, Andrey Rozenberg, Katherine Wolcott, Florian Leese and Roland R. Melzer
    Citation: Frontiers in Zoology 2019 16:36
  24. Novel feeding adaptations often facilitate adaptive radiation and diversification. But the evolutionary origins of such feeding adaptations can be puzzling if they require concordant change in multiple compone...

    Authors: Tomonari Kaji, Chihong Song, Kazuyoshi Murata, Shigenori Nonaka, Kota Ogawa, Yusuke Kondo, Susumu Ohtsuka and A. Richard Palmer
    Citation: Frontiers in Zoology 2019 16:35
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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

    The Data Descriptor to this article has been published in Scientific Data 2020 7:149

  40. 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
  41. 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
  42. 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