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  1. Non-human animals often produce different types of vocalisations in negative and positive contexts (i.e. different valence), similar to humans, in which crying is associated with negative emotions and laughter...

    Authors: Elodie F. Briefer, Roi Mandel, Anne-Laure Maigrot, Sabrina Briefer Freymond, Iris Bachmann and Edna Hillmann

    Citation: Frontiers in Zoology 2017 14:8

    Content type: Research

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  3. Arthropod diversity is unparalleled in the animal kingdom. The study of ontogeny is pivotal to understand which developmental processes underlie the incredible morphological disparity of arthropods and thus to...

    Authors: Georg Brenneis, Ekaterina V. Bogomolova, Claudia P. Arango and Franz Krapp

    Citation: Frontiers in Zoology 2017 14:6

    Content type: Review

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  4. Individual differences in behaviour are widespread in the animal kingdom and often influenced by the size or composition of the social group during early development. In many vertebrates the effects of social ...

    Authors: Stefanie Bölting and Nikolaus von Engelhardt

    Citation: Frontiers in Zoology 2017 14:5

    Content type: Research

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  5. Solar-powered sea slugs are famed for their ability to survive starvation due to incorporated algal chloroplasts. It is well established that algal-derived carbon can be traced in numerous slug-derived compoun...

    Authors: Elise M. J. Laetz, Victoria C. Moris, Leif Moritz, André N. Haubrich and Heike Wägele

    Citation: Frontiers in Zoology 2017 14:4

    Content type: Research

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  6. Various types of long-term stable relationships that individuals uphold, including cooperation and competition between group members, define social complexity in vertebrates. Numerous life history, physiologic...

    Authors: Isabella B. R. Scheiber, Brigitte M. Weiß, Sjouke A. Kingma and Jan Komdeur

    Citation: Frontiers in Zoology 2017 14:3

    Content type: Review

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  7. The social environment the mother experiences during pregnancy and lactation can powerfully influence the offspring’s behavioural profile. Our previous studies in wild cavies show that two different social env...

    Authors: Katja Siegeler, Lars Lewejohann, Klaus Failing, Norbert Sachser and Sylvia Kaiser

    Citation: Frontiers in Zoology 2017 14:2

    Content type: Research

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  8. Snakes are considered to be vomerolfaction specialists. They are members of one of the most diverse groups of vertebrates, Squamata. The vomeronasal organ and the associated structures (such as the lacrimal du...

    Authors: Paweł Kaczmarek, Mateusz Hermyt and Weronika Rupik

    Citation: Frontiers in Zoology 2017 14:1

    Content type: Research

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  9. Hybrid zones are regions where individuals of two species meet and produce hybrid progeny, and are often regarded as natural laboratories to understand the process of species formation. Two microevolutionary p...

    Authors: Jan W. Arntzen, Tania Trujillo, Roland Butôt, Klaas Vrieling, Onno Schaap, Jorge Gutiérrez-Rodríguez and Iñigo Martínez-Solano

    Citation: Frontiers in Zoology 2016 13:52

    Content type: Research

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  10. To better understand how different ambient temperatures during lactation affect survival of young, we studied patterns of losses of pups in golden hamsters (Mesocricetus auratus) at different ambient temperatures...

    Authors: Sarah A. Ohrnberger, Raquel Monclús, Heiko G. Rödel and Teresa G. Valencak

    Citation: Frontiers in Zoology 2016 13:51

    Content type: Research

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  12. Several independent meiofaunal lineages are suggested to have originated through progenesis, however, morphological support for this heterochronous process is still lacking. Progenesis is defined as an arrest ...

    Authors: Alexandra Kerbl, Elizaveta G. Fofanova, Tatiana D. Mayorova, Elena E. Voronezhskaya and Katrine Worsaae

    Citation: Frontiers in Zoology 2016 13:49

    Content type: Research

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  13. When facing a novel situation, animals can retreat or leave to avoid risks, but will miss potential resources and opportunities. Alternatively they may reduce environmental uncertainty by exploration, while ri...

    Authors: Ya-Fu Lee, Yen-Min Kuo and Wen-Chen Chu

    Citation: Frontiers in Zoology 2016 13:48

    Content type: Research

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  14. Moult is one of the most costly activities in the annual cycle of birds and most avian species separate moult from other energy-demanding activities, such as migration. To this end, young birds tend to undergo...

    Authors: Patrycja Podlaszczuk, Maciej Kamiński, Radosław Włodarczyk, Krzysztof Kaczmarek, Tomasz Janiszewski and Piotr Minias

    Citation: Frontiers in Zoology 2016 13:47

    Content type: Research

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  15. Odonata (dragonflies and damselflies) present an unparalleled insect model to integrate evolutionary genomics with ecology for the study of insect evolution. Key features of Odonata include their ancient phylo...

    Authors: Seth Bybee, Alex Córdoba-Aguilar, M. Catherine Duryea, Ryo Futahashi, Bengt Hansson, M. Olalla Lorenzo-Carballa, Ruud Schilder, Robby Stoks, Anton Suvorov, Erik I. Svensson, Janne Swaegers, Yuma Takahashi, Phillip C. Watts and Maren Wellenreuther

    Citation: Frontiers in Zoology 2016 13:46

    Content type: Review

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  16. Thaliaceans is one of the understudied classes of the phylum Tunicata. In particular, their phylogenetic relationships remain an issue of debate. The overall pattern of serotonin (5-HT) distribution is an exce...

    Authors: Alberto Valero-Gracia, Rita Marino, Fabio Crocetta, Valeria Nittoli, Stefano Tiozzo and Paolo Sordino

    Citation: Frontiers in Zoology 2016 13:45

    Content type: Research

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  17. Cephalopods are a highly derived class of molluscs that adapted their body plan to a more active and predatory lifestyle. One intriguing adaptation is the modification of the ventral foot to form a bilaterally...

    Authors: Marie-Therese Nödl, Alexandra Kerbl, Manfred G. Walzl, Gerd B. Müller and Heinz Gert de Couet

    Citation: Frontiers in Zoology 2016 13:44

    Content type: Research

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  18. Orangutans have one of the slowest-paced life histories of all mammals. Whereas life-history theory suggests that the time to reach adulthood is constrained by the time needed to reach adult body size, the nee...

    Authors: Caroline Schuppli, Sofia I. F. Forss, Ellen J. M. Meulman, Nicole Zweifel, Kevin C. Lee, Evasari Rukmana, Erin R. Vogel, Maria A. van Noordwijk and Carel P. van Schaik

    Citation: Frontiers in Zoology 2016 13:43

    Content type: Research

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    The Correction to this article has been published in Frontiers in Zoology 2018 15:2

  19. Most biological functions are synchronized to the environmental light:dark cycle via a circadian timekeeping system. Bears exhibit shallow torpor combined with metabolic suppression during winter dormancy. We ...

    Authors: Heiko T. Jansen, Tanya Leise, Gordon Stenhouse, Karine Pigeon, Wayne Kasworm, Justin Teisberg, Thomas Radandt, Robert Dallmann, Steven Brown and Charles T. Robbins

    Citation: Frontiers in Zoology 2016 13:42

    Content type: Research

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  20. Photoreceptors have evolved numerous times giving organisms the ability to detect light and respond to specific visual stimuli. Studies into the visual abilities of the Asteroidea (Echinodermata) have recently...

    Authors: Ronald Petie, Anders Garm and Michael R. Hall

    Citation: Frontiers in Zoology 2016 13:41

    Content type: Research

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  21. Understanding the role of avian vocal communication in social organisation requires knowledge of the vocal repertoire used to convey information. Parrots use acoustic signals in a variety of social contexts, b...

    Authors: Adolfo Christian Montes-Medina, Alejandro Salinas-Melgoza and Katherine Renton

    Citation: Frontiers in Zoology 2016 13:40

    Content type: Research

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  23. The amount of resources provided by the mother before birth has important and long-lasting effects on offspring fitness. Despite this, there is a large amount of variation in maternal investment seen in natura...

    Authors: Joel L. Pick, Pascale Hutter, Christina Ebneter, Ann-Kathrin Ziegler, Marta Giordano and Barbara Tschirren

    Citation: Frontiers in Zoology 2016 13:38

    Content type: Research

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  24. Information on larval diet of many holometabolous insects remains incomplete. Carbon (C) and nitrogen (N) stable isotope analysis in adult wing tissue can provide an efficient tool to infer such trophic relati...

    Authors: Marc-Oliver Adams, Carlo Lutz Seifert, Lisamarie Lehner, Christine Truxa, Wolfgang Wanek and Konrad Fiedler

    Citation: Frontiers in Zoology 2016 13:37

    Content type: Research

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  27. Assessing the range and territories of wild mammals traditionally requires years of data collection and often involves directly following individuals or using tracking devices. Indirect and non-invasive method...

    Authors: Ammie K. Kalan, Alex K. Piel, Roger Mundry, Roman M. Wittig, Christophe Boesch and Hjalmar S. Kühl

    Citation: Frontiers in Zoology 2016 13:34

    Content type: Research

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  29. In most mammals, lactating mothers dramatically increase their food intake after parturition and reach a peak intake rate after a certain time while their offspring continue to grow. A common view, perpetuated...

    Authors: Frédéric Douhard, Jean-François Lemaître, Wendy M. Rauw and Nicolas C. Friggens

    Citation: Frontiers in Zoology 2016 13:32

    Content type: Research

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  30. As increasingly fragmented and isolated populations of threatened species become subjected to climate change, invasive species and other stressors, there is an urgent need to consider adaptive potential when m...

    Authors: Andrew R. Weeks, Jakub Stoklosa and Ary A. Hoffmann

    Citation: Frontiers in Zoology 2016 13:31

    Content type: Research

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  31. Morphological characters of birds reflect their adaptive evolution and ecological requirements and are also relevant to phylogenetic relationships within a group of related species. The tits (Paridae) are know...

    Authors: Shimiao Shao, Qing Quan, Tianlong Cai, Gang Song, Yanhua Qu and Fumin Lei

    Citation: Frontiers in Zoology 2016 13:30

    Content type: Research

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  32. The flight patterns of albatrosses and shearwaters have become a touchstone for much of Lévy flight research, spawning an extensive field of enquiry. There is now compelling evidence that the flight patterns o...

    Authors: Andrew M. Reynolds, Vitor H. Paiva, Jacopo G. Cecere and Stefano Focardi

    Citation: Frontiers in Zoology 2016 13:29

    Content type: Research

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  33. Bitter taste perception is essential for species with selective food intake, enabling them to avoid unpalatable or toxic items. Previous studies noted a marked variation in the number of TAS2R genes among various...

    Authors: Zhijin Liu, Guangjian Liu, Frank Hailer, Pablo Orozco-terWengel, Xinxin Tan, Jundong Tian, Zhongze Yan, Baowei Zhang and Ming Li

    Citation: Frontiers in Zoology 2016 13:28

    Content type: Research

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  34. The swimming activity of sea urchin larvae is dependent on the ciliary band (CB) on the larval surface and is regulated by several neurotransmitters, including serotonin (5HT), dopamine, and γ-aminobutyric aci...

    Authors: Hideki Katow, Tomoko Katow, Hiromi Yoshida, Masato Kiyomoto and Isao Uemura

    Citation: Frontiers in Zoology 2016 13:27

    Content type: Research

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  35. Innovative new techniques that aid in the visualization of microscopic anatomical structures have improved our understanding of organismal biology significantly. It is often challenging to observe internal 3D ...

    Authors: Yongying Ruan, Dan Dan, Mengna Zhang, Ming Bai, Ming Lei, Baoli Yao and Xingke Yang

    Citation: Frontiers in Zoology 2016 13:26

    Content type: Research

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  36. Through the actions of one or more isoforms of the enzyme 5α-reductase in many male reproductive tissues, circulating testosterone (T) undergoes metabolic conversion into 5α-dihydrotestosterone (DHT), which bi...

    Authors: Matthew J. Fuxjager, Eric R. Schuppe, John Hoang, Jennifer Chew, Mital Shah and Barney A. Schlinger

    Citation: Frontiers in Zoology 2016 13:25

    Content type: Research

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  37. Species-specific strategies for financing the costs of reproduction are well understood, forming a continuum ranging from high to low reliance on stored nutrients. Animals relying mostly on stored reserves are...

    Authors: Kim Jaatinen, Markus Öst and Keith A. Hobson

    Citation: Frontiers in Zoology 2016 13:24

    Content type: Research

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  38. An external skeleton is an essential part of the body plan of many animals and is thought to be one of the key factors that enabled the great expansion in animal diversity and disparity during the Cambrian exp...

    Authors: Kevin M. Kocot, Felipe Aguilera, Carmel McDougall, Daniel J. Jackson and Bernard M. Degnan

    Citation: Frontiers in Zoology 2016 13:23

    Content type: Review

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  39. The expression of animal personality is indicated by patterns of consistency in individual behaviour. Often, the differences exhibited between individuals are consistent across situations. However, between som...

    Authors: Kyriacos Kareklas, Gareth Arnott, Robert W. Elwood and Richard A. Holland

    Citation: Frontiers in Zoology 2016 13:22

    Content type: Research

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  40. Male-male competition and female mating preference are major mechanisms of sexual selection, which influences individual fitness. How male-male competition affects female preference, however, remains poorly un...

    Authors: Saori Yokoi, Satoshi Ansai, Masato Kinoshita, Kiyoshi Naruse, Yasuhiro Kamei, Larry J. Young, Teruhiro Okuyama and Hideaki Takeuchi

    Citation: Frontiers in Zoology 2016 13:21

    Content type: Research

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  41. The high incidence of hybridization in waterfowl (ducks, geese and swans) makes this bird group an excellent study system to answer questions related to the evolution and maintenance of species boundaries. How...

    Authors: Jente Ottenburghs, Pim van Hooft, Sipke E. van Wieren, Ronald C. Ydenberg and Herbert H. T. Prins

    Citation: Frontiers in Zoology 2016 13:20

    Content type: Review

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  43. Brittle stars regenerate their whole arms post-amputation. Amphiura filiformis can now be used for molecular characterization of arm regeneration due to the availability of transcriptomic data. Previous work show...

    Authors: Anna Czarkwiani, Cinzia Ferrario, David Viktor Dylus, Michela Sugni and Paola Oliveri

    Citation: Frontiers in Zoology 2016 13:18

    Content type: Research

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  44. Rapid habitat loss and degradation are responsible for population decline in a growing number of species. Understanding the natural history of these species is important for designing conservation strategies, ...

    Authors: Amrita Srivathsan, Andie Ang, Alfried P. Vogler and Rudolf Meier

    Citation: Frontiers in Zoology 2016 13:17

    Content type: Research

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  45. Traditional theory assumes that egg recognition and rejection abilities arise as a response against interspecific brood parasitism (IBP). However, rejection also appears in some species that are currently not ...

    Authors: Francisco Ruiz-Raya, Manuel Soler, Gianluca Roncalli, Teresa Abaurrea and Juan Diego Ibáñez-Álamo

    Citation: Frontiers in Zoology 2016 13:16

    Content type: Research

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  46. The Mediterranean fruit fly, Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) is a highly invasive species now with an almost cosmopolitan distribution. Two other damaging, polyphagous and closely-related sp...

    Authors: Christopher W. Weldon, Leigh Boardman, Danica Marlin and John S. Terblanche

    Citation: Frontiers in Zoology 2016 13:15

    Content type: Research

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  47. The study of morphology is experiencing a renaissance due to rapid improvements in technologies for 3D visualization of complex internal and external structures. But 3D visualization of the internal structure ...

    Authors: Tomonari Kaji, Keiichi Kakui, Naoyuki Miyazaki, Kazuyoshi Murata and A. Richard Palmer

    Citation: Frontiers in Zoology 2016 13:14

    Content type: Methodology

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  48. Wrasses represent the second largest family of marine fishes and display a high diversity of complex colours linked to ecological functions. Recently, red autofluorescent body colouration has been reported in ...

    Authors: Tobias Gerlach, Jennifer Theobald, Nathan S. Hart, Shaun P. Collin and Nico K. Michiels

    Citation: Frontiers in Zoology 2016 13:13

    Content type: Research

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  49. White-nose syndrome (WNS) has devastated bat populations in North America, with millions of bats dead. WNS is associated with physiological changes in hibernating bats, leading to increased arousals from hiber...

    Authors: Thomas Mikael Lilley, Joseph Samuel Johnson, Lasse Ruokolainen, Elisabeth Jeannine Rogers, Cali Ann Wilson, Spencer Mead Schell, Kenneth Alan Field and DeeAnn Marie Reeder

    Citation: Frontiers in Zoology 2016 13:12

    Content type: Research

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Frontiers in Zoology

ISSN: 1742-9994