Zoology articles within Nature Communications

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  • Article |

    Our understanding of the evolutionary sequence of tetrapod characters is hindered by a limited fossil record of primitive finned tetrapods. This study reports a new stem-tetrapod from ~409 million years ago, which displays morphological features shared by tetrapods and lungfishes, and extends the earliest record of tetrapods by ~10 million years.

    • Jing Lu
    • , Min Zhu
    •  & Tuo Qiao

  • Article |

    Humans, with their opposable thumbs, are not the only species with tool-related morphological adaptations. This study shows that tool use in New Caledonian crows is facilitated by a straight bill, enabling a firm grip on tools, and an extremely wide binocular field, affording excellent visual feedback.

    • Jolyon Troscianko
    • , Auguste M.P. von Bayern
    •  & Graham R. Martin

  • Article |

    Spider webs consist of scaffolding silk, which supports the cobweb, and gumfoot silk, which can detach easily from the web upon contact with prey. Here, these different mechanical demands are shown to be met by silk attachments of two distinct architectures using the same pyriform silk secretions.

    • Vasav Sahni
    • , Jared Harris
    •  & Ali Dhinojwala

  • Article |

    The evolution of venom toxins is an area of intense study but has been hampered by the lack of non-toxin protein homologues. Here, phylogenetic analyses of non-toxin genes sourced from transcriptomic studies are found placed within groups of venom toxins, revealing dynamic changes in the sites of toxin expression.

    • Nicholas R. Casewell
    • , Gavin A. Huttley
    •  & Wolfgang Wüster

  • Article |

    Sex pheromones are used by adult members of a species to attract a mate. This study proposes that the larvae of the cotton leafwormSpodoptera littoralisare attracted to sex pheromones and prefer a food source containing it, suggesting an alternative use of the sex pheromone to trigger food search in caterpillars.

    • Erwan Poivet
    • , Kacem Rharrabe
    •  & Emmanuelle Jacquin-Joly

  • Article
    | Open Access

    Hemimetabolous insects comprise many pests but introducing targeted mutations into these species has been difficult. This paper reports efficient targeted mutagenesis, and the generation of homozygous knockouts, in crickets based on zinc finger nucleases or transcription activator-like effector nucleases.

    • Takahito Watanabe
    • , Hiroshi Ochiai
    •  & Taro Mito

  • Article |

    Resilin is a polymeric elastic protein that is important for the flight and jumping of insects. Here, the structure-function relationships ofDrosophilaresilin are investigated, and a mechanical model is proposed to account for its elasticity.

    • Guokui Qin
    • , Xiao Hu
    •  & David L. Kaplan

  • Article
    | Open Access

    Whether humans are the only animals with cultural behaviour remains an open question in behavioural research. Here, a network analysis of the social preferences among bottlenose dolphins in Shark Bay, Australia finds that tool-using dolphins prefer others like themselves, suggesting the presence of cultural behaviour.

    • Janet Mann
    • , Margaret A. Stanton
    •  & Lisa O. Singh

  • Article
    | Open Access

    Monarch Butterflies (Danaus plexippus) use their antennae for orientation during their autumnal migration. Guerra and colleagues differentially disrupt clock gene expression in each antenna and find that the individual outputs are integrated and processed to allow precise control of orientation behaviour.

    • Patrick A. Guerra
    • , Christine Merlin
    •  & Steven M. Reppert

  • Article
    | Open Access

    In several Hymenoptera species - ants, bees and wasps - sexual fate is determined by the allelic composition at the complementary sex - determiner locus. This study identifies the honeybeecomplementary sex - determinerin bumble bee and ant orthologues, previously thought to be unique to the honeybee lineage.

    • Sandra Schmieder
    • , Dominique Colinet
    •  & Marylène Poirié

  • Article |

    Inbreeding reduces the fitness of birds and mammals, but at which stage in development this occurs is not always clear. Hemmingset al. show that when closely related zebra finches breed together, fertilisation proceeds normally, but the offspring are more likely to die during development of the embryo.

    • N.L. Hemmings
    • , J. Slate
    •  & T.R. Birkhead

  • Article |

    Adars are adenosine deaminases that act on RNAs, including those encoding proteins involved in neuronal transmission and also Adar RNA. Here, Savvaet al. engineered knock-in Drosophila mutants with altered Adar autoediting and found that this changed the spectrum of adenosine deamination and Drosophilabehaviour.

    • Yiannis A. Savva
    • , James E.C Jepson
    •  & Robert A. Reenan

  • Article |

    Bats use a process known as echolocation to measure the distance of an object by echo delay. Here, studies in newborn bats reveal that echo delay tuning of neurons in the auditory cortex is present at birth rather than acquired as a result of echolocation experience.

    • Manfred Kössl
    • , Cornelia Voss
    •  & Marianne Vater

  • Article |

    Some animals find the same odorant attractive at low concentrations and repulsive at high concentrations, but how this discrimination occurs is unclear. UsingCaenorhabditis elegans as a model system, Yoshida et al. show that different sets of sensory neurons respond to low and high concentrations of odours.

    • Kazushi Yoshida
    • , Takaaki Hirotsu
    •  & Takeshi Ishihara

  • Article
    | Open Access

    Some animal populations are able to shift their birth sex ratio from the expected unity. This study shows, using fluorescencein situhybridization, that in a captive population of pygmy hippopotamus the males appear to be able to adjust the ratio of X- and Y-chromosome-bearing spermatozoa in their ejaculates.

    • Joseph Saragusty
    • , Robert Hermes
    •  & Thomas B. Hildebrandt

  • Article |

    Animals track odour trails to find food, a mate or to steer clear of danger. Bhalla and colleagues combine behavioural and physiological measurements to show that rats can track surface-borne odours with near-optimal sampling and are able to predict the path direction on encountering a bifurcation.

    • Adil Ghani Khan
    • , Manaswini Sarangi
    •  & Upinder Singh Bhalla

  • Article
    | Open Access

    The loss of flight in some insect lineages may promote allopatric differentiation and result in a high speciation rate. Here, using the carrion beetle, loss of flight is shown to accelerate allopatric speciation with higher genetic differentiation than for flight-capable species.

    • Hiroshi Ikeda
    • , Masaaki Nishikawa
    •  & Teiji Sota

  • Article
    | Open Access

    Populations of the same species living in different habitats can differ in sensory traits driving speciation, but it is not known if this variation limits gene flow. Here, a genetic and acoustic study of the bumblebee bat suggests that geographic distance, instead of echolocation divergence, limits gene flow.

    • Sébastien J. Puechmaille
    • , Meriadeg Ar Gouilh
    •  & Emma C. Teeling

  • Article |

    Human children use referential gestures such as showing, offering and pointing, which are thought to form the foundation of language skills. Here, evidence is provided of ravens (Corvus corax) using showing and offering to direct other's attention, as an example of referential gesturing in a non-primate lineage.

    • Simone Pika
    •  & Thomas Bugnyar

  • Article |

    The health benefits of massage therapy, like the reduction of stress, have so far only been shown in humans. This study uses modelling to demonstrate that, while visiting cleaner fish to have ectoparasites removed, the physical stimulation also acts to reduce stress in the coral reef fish,Ctenochaetus striatus.

    • Marta C. Soares
    • , Rui F. Oliveira
    •  & Redouan Bshary

  • Article
    | Open Access

    Female Swallowtail butterflies will only lay their eggs on a small number of plants, which they choose by detecting specific chemicals on the leaf surface. Here, a gustatory receptor,PxutGr1, is identified in Papilio xuthus, which is used by the butterfly to detect synephrine when selecting a host plant.

    • Katsuhisa Ozaki
    • , Masasuke Ryuda
    •  & Hiroshi Yoshikawa

  • Article |

    Ampullary organs are involved in electroreception, but whether these are derived from placodes, thickened ectoderm, is unclear. In this study, the ampullary organs of the primitive ray-finned fish,Polyodon spathula, are shown to develop from lateral line placodes, suggesting that this is the ancestral state in bony fishes.

    • Melinda S. Modrell
    • , William E. Bemis
    •  & Clare V.H. Baker

  • Article |

    Harvestmen — Opiliones — are an ancient and diverse arachnid group with a limited fossil record. Here, X-ray micro-tomography of fossils reveals two new Carboniferous harvestmen species, allowing a phylogenetic analysis of these Palaeozoic Opiliones, demonstrating similarities between the fossils and extant groups.

    • Russell J. Garwood
    • , Jason A. Dunlop
    •  & Mark D. Sutton

  • Article |

    Modern female horses are genetically diverse but male horses are relatively homogenous. Lippoldet al. sequence the Y chromosome of nine ancient horses and detect diversity in the ancestral paternal lineage, demonstrating ancient Y-chromosomal DNA sequencing can provide insights into evolution.

    • Sebastian Lippold
    • , Michael Knapp
    •  & Michael Hofreiter

  • Article
    | Open Access

    Zebra finches are passerine birds, but their phylogenetic relationship with non-passerine birds remains controversial. By examining retroposon insertion loci in avian genomes, the authors reveal that parrots are the closest relatives of passerines, which may have implications for understanding the evolution of birdsong.

    • Alexander Suh
    • , Martin Paus
    •  & Jürgen Schmitz

  • Article |

    Small endothermic animals often drop their body temperature—a process known as heterothermy—to conserve energy. This study demonstrates heterothermy in king penguin chicks (Aptenodytes patagonicus), a finding unexpected for such large birds, but which may account for the chicks’ fasting capacity of five months.

    • Götz Eichhorn
    • , René Groscolas
    •  & Yves Handrich

  • Article |

    Many organisms are responding to a warming climate by shifts in spatial distribution. The poleward movement of silver hake,Merluccius bilinearis, over the last forty years is related to the position of the Gulf Stream and Atlantic meridional overturning circulation through changes in local bottom water temperature.

    • Janet A. Nye
    • , Terrence M. Joyce
    •  & Jason S. Link

  • Article |

    Male túngara frogs produce overlapping mating calls, which poses a challenge for the female frog to group and assign multiple auditory signals to the correct source. Farris and Ryan shows that, like humans, the female frogs compare and group signals using the smallest relative difference in call parameters.

    • Hamilton E. Farris
    •  & Michael J. Ryan

  • Article |

    Studies of male genitalia show patterns of divergent evolution, whereas females have been less well studied. Using experimental evolution and quantitative genetic analysis, Simmons and Garcia-Gonzalez show that sexual selection drives the coevolution of female and male genital morphology in the dung beetleOnthophagus taurus.

    • Leigh W. Simmons
    •  & Francisco Garcia-Gonzalez

  • Article |

    Acoustic communication is important for the reproductive behaviour of frogs. Using acoustic playback experiments, Shenet al. show that calls from male concave-eared frogs (Odorrana tormota) evoke vocal responses and phonotaxis from females, but the females show no ultrasonic sensitivity.

    • Jun-Xian Shen
    • , Zhi-Min Xu
    •  & Shang-Chun Fan

  • Article |

    Undulating flight, an efficient mode of locomotion in flying birds, can theoretically also result in efficient locomotion in water. Here we demonstrate gait patterns resembling undulating flight in four marine vertebrate species comprising sharks and pinnipeds.

    • Adrian C. Gleiss
    • , Salvador J. Jorgensen
    •  & Rory P. Wilson

  • Article |

    The cryptic Wood White butterflies,Leptidea sinapis and Leptidea reali, represent a model for the study of speciation. Dincă et al. use DNA and chromosome data to show that this group, in fact, consists of a triplet of species, a result that provides a new perspective on cryptic biodiversity.

    • Vlad Dincă
    • , Vladimir A. Lukhtanov
    •  & Roger Vila

  • Article
    | Open Access

    Many animals can do simple quantity discrimination, but they often perform poorly when food is used. Here, the authors show that monkeys are good at food quantity discrimination when they are not allowed to eat it, suggesting that the mental representation of the stimuli is more important than the physical quality.

    • Vanessa Schmitt
    •  & Julia Fischer

  • Article
    | Open Access

    The presence of earthworms is known to enhance the quality and moisture of soil in cool and wet climates. Evanset al. show that termites and ants can improve soil quality in warmer and drier climates—their presence results in elevated water infiltration and nitrogen content, leading to increased wheat yields.

    • Theodore A. Evans
    • , Tracy Z. Dawes
    •  & Nathan Lo

  • Article
    | Open Access

    Organisms are expected to adapt to climate change because of selection pressures. Here, the authors demonstrate that brown morphs of Finnish owls are selected against in winters with plentiful snow, and concordantly, increasing winter temperatures and lower snow fall results in the selection of the brown morph.

    • Patrik Karell
    • , Kari Ahola
    •  & Jon E. Brommer

  • Article
    | Open Access

    Little is known about the reproductive ecology of freshwater eels. In this article, the authors describe the capture of two species of eels together with eggs and newly hatched larvae, and suggest that spawning takes place during the new moon at shallower depths than previously thought.

    • Katsumi Tsukamoto
    • , Seinen Chow
    •  & Hideki Tanaka

  • Article |

    Seahorses evolved from pipefish, which have a remarkably different body shape. Here, by examining seahorse feeding behaviour and using a mathematical model, Van Wassenberghet al. demonstrate that the head, neck and trunk posture of the seahorse allows for the effective capture of their prey.

    • Sam Van Wassenbergh
    • , Gert Roos
    •  & Lara Ferry

  • Article
    | Open Access

    A single gene results in either dextral or sinistral snail shell coiling and snails with different coils cannot copulate. Here, the authors provide evidence of how such an allele can become fixed in a population by showing that snails with a counterclockwise sinistral coil are protected from predators.

    • Masaki Hoso
    • , Yuichi Kameda
    •  & Michio Hori

  • Article
    | Open Access

    Little is known about the way bats recognize large objects, such as trees, buildings or a lake. Greif and Siemers show that bodies of water are recognized solely by echolocation, and that this ability is innate, thus smooth surfaces are recognized as water by naive juvenile bats.

    • Stefan Greif
    •  & Björn M. Siemers

  • Article |

    Global vegetation models are too coarse to predict climate change effects at the hillslope level. Using high-resolution LiDAR, the authors explore the three-dimensional structure and vegetation of an African savanna, and suggest that finer hydrogeomorphological features will shape future climate effects.

    • Shaun R. Levick
    • , Gregory P. Asner
    •  & David E. Knapp

  • Article |

    The bar-tailed godwit departs from New Zealand for breeding sites in Alaska. Here, using geolocators, godwits are shown to time their migration depending on the latitude of their breeding site in Alaska; early migrators locate in the south of Alaska, whereas later birds breed in the North.

    • Jesse R. Conklin
    • , Phil F. Battley
    •  & James W. Fox

  • Article |

    The emergence of bipedalism in humans is considered to be an evolutionary challenge. In this study, however, the authors show that humans, dogs and chickens create a virtual pivot point above their centre of mass during walking, thereby mimicking an external support.

    • H.-M. Maus
    • , S.W. Lipfert
    •  & A. Seyfarth

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