Now showing items 1-19 of 19

    • Acoustic models of orangutan hand-assisted alarm calls 

      De Boer, Bart; Wich, Serge A.; Hardus, Madeleine E.; Lameira, Adriano R. (2015-03-18) - Journal article
      Orangutans produce alarm calls called kiss-squeaks, which they sometimes modify by putting a hand in front of their mouth. Through theoretical models and observational evidence, we show that using the hand when making a ...
    • Automated peak detection method for behavioral event identification : detecting Balaenoptera musculus and Grampus griseus feeding attempts 

      Sweeney, David A.; Deruiter, Stacy L.; McNamara-Oh, Ye Joo; Marques, Tiago A.; Arranz, Patricia; Calambokidis, John (2019-04-04) - Journal article
      The desire of animal behaviorists for more flexible methods of conducting inter-study and inter-specific comparisons and meta-analysis of various animal behaviors compelled us to design an automated, animal behavior peak ...
    • Behavioral, ecological, and evolutionary aspects of meat-eating by Sumatran orangutans (Pongo abelii) 

      Hardus, Madeleine E.; Lameira, Adriano R.; Zulfa, Astri; Atmoko, S. Suci Utami; de Vries, Han; Wich, Serge A. (2012-04) - Journal article
      Meat-eating is an important aspect of human evolution, but how meat became a substantial component of the human diet is still poorly understood. Meat-eating in our closest relatives, the great apes, may provide insight ...
    • Circular data in biology : advice for effectively implementing statistical procedures 

      Landler, Lukas; Ruxton, Graeme D.; Malkemper, E. Pascal (2018-08) - Journal article
      Circular data are common in biological studies. The most fundamental question that can be asked of a sample of circular data is whether it suggests that the underlying population is uniformly distributed around the circle, ...
    • Cumulative culture in nonhumans : overlooked findings from Japanese monkeys? 

      Schofield, Daniel P.; McGrew, William C.; Takahashi, Akiko; Hirata, Satoshi (2018-03) - Journal item
      Cumulative culture, generally known as the increasing complexity or efficiency of cultural behaviors additively transmitted over successive generations, has been emphasized as a hallmark of human evolution. Recently, reviews ...
    • Density estimation of sound-producing terrestrial animals using single automatic acoustic recorders and distance sampling 

      Sebastián-González, Esther; Camp, Richard J.; Tanimoto, Ann M.; de Oliveira, Priscilla M.; Lima, Bruna B.; Marques, Tiago A.; Hart, Patrick J. (2018-12-01) - Journal article
      Obtaining accurate information on the distribution, density, and abundance of animals is an important first step toward their conservation. Methodological approaches using automatic acoustic recorders for species that ...
    • Does age matter? The impact of rodent age on study outcomes 

      Jackson, Samuel J.; Andrews, Nick; Ball, Doug; Bellantuono, Ilaria; Gray, James; Hachoumi, Lamia; Holmes, Alan; Latcham, Judy; Petrie, Anja; Potter, Paul; Rice, Andrew; Ritchie, Alison; Stewart, Michelle; Strepka, Carol; Yeoman, Mark; Chapman, Kathryn (2017-04-01) - Journal article
      Rodent models produce data which underpin biomedical research and non-clinical drug trials, but translation from rodents into successful clinical outcomes is often lacking. There is a growing body of evidence showing that ...
    • Estimating bird abundance : making methods work 

      Buckland, Stephen T.; Marsden, Stuart J.; Green, Rhys E. (2008-09) - Journal article
      In many bird monitoring Surveys, no attempt is made to estimate bird densities or abundance. instead, counts of one form or another are made, and these are assumed to correlate with bird density. Unless complete Counts Oil ...
    • Foraging behaviour and fuel accumulation of capital breeders during spring migration as derived from a combination of satellite- and ground-based observations 

      Chudzińska, Magda E.; Nabe-Nielsen, Jacob; Nolet, Bart A.; Madsen, Jesper (2016-07) - Journal article
      The migration strategy of many capital breeders is to garner body stores along the flyway at distinct stopover sites. The rate at which they can fuel is likely to be strongly influenced by a range of factors, such as ...
    • Gammarus pulex show a grouping response to conspecific injury cues but not to predator kairomones 

      Smith, Lynsey; Webster, Michael Munro (2015-07) - Journal article
      Many species gain protection from predators by forming groups, but there is also evidence that some predators are better able to detect or more likely to attack grouped prey. Given this, it might pay prey to be flexible ...
    • Impact of snare injuries on parasite prevalence in wild chimpanzees (Pan troglodytes) 

      Yersin, Harmony; Asiimwe, Caroline; Voordouw, Maarten J.; Zuberbühler, Klaus (2017-02) - Journal article
      Many primate populations are severely threatened by human activity. Illegal hunting with snares frequently causes fatal injuries and permanent mutilations in wild primates. Traumatic injuries and stressful experiences can ...
    • Learning ability is unaffected by isolation rearing in a family-living lizard 

      Riley, Julia L.; Küchler, Anna; Damasio, Théo; Noble, Daniel W.A.; Byrne, Richard W.; Whiting, Martin J. (2018-02-01) - Journal article
      The social environment during development can affect learning; for example, raising an obligate social mammal in isolation can hinder their learning ability. However, we know little about how the social environment impacts ...
    • Nest-building males trade off material collection costs with territory value 

      Bailey, Ida E.; Morgan, Kate V.; Oschadleus, H. Dieter; DeRuiter, Stacy L.; Meddle, Simone L.; Healy, Susan D. (2016-01-25) - Journal article
      Building a structurally robust nest is crucial for reproductive success in many birds. However, we know little about the criteria birds use to select material or where they go to collect it. Here we observed the material ...
    • Risso's dolphins plan foraging dives 

      Arranz, Patricia; Benoit-Bird, Kelly J.; Southall, Brandon L.; Calambokidis, John; Friedlaender, Ari S.; Tyack, Peter L. (2018-02-28) - Journal article
      Humans remember the past and use that information to plan future actions. Lab experiments that test memory for the location of food show that animals have a similar capability to act in anticipation of future needs, but ...
    • Separating underwater ambient noise from flow noise recorded on stereo acoustic tags attached to marine mammals 

      von Benda-Beckmann, Alexander M.; Wensveen, Paul Jacobus; Samarra, Filipa I. P.; Beerens, S. Peter; Miller, Patrick J. O. (2016-08-03) - Journal article
      Sound-recording acoustic tags attached to marine animals are commonly used in behavioural studies. Measuring ambient noise is of interest to efforts to understand responses of marine mammals to anthropogenic underwater ...
    • Sociodemographics of pet ownership among adolescents in Great Britain : findings from the HBSC Study in England, Scotland, and Wales 

      Marsa-Sambola, Ferran; Williams, Joanne; Muldoon, Janine; Lawrence, Alistair; Connor, Melanie; Roberts, Chris; Brooks, Fiona; Currie, Candace (2016-12-30) - Journal article
      The aim of this study was to assess the prevalence of pet ownership among adolescents in Great Britain and identify any sociodemographic differences between pet owners and non-pet owners. A total of 14,328 11-to 15-year-old ...
    • Space-use and sociability are not related to public-information use in ninespine sticklebacks 

      Webster, Michael Munro; Laland, Kevin Neville (2015-06) - Journal article
      There has been much recent interest in both public information use, and the evolutionary origins and ecological consequences of animal personalities but surprisingly little integration of these two fields. Personality ...
    • Techniques for estimating the size of low-density gopher tortoise populations 

      Stober, Jonathan M.; Prieto-Gonzalez, Rocio; Smith, Lora L.; Marques, Tiago A.; Thomas, Len (2017-12-01) - Journal article
      Gopher tortoises (Gopherus polyphemus) are candidates for range-wide listing as threatened under the U.S. Endangered Species Act. Reliable population estimates are important to inform policy and management for recovery of ...
    • Vocal foragers and silent crowds : context-dependent vocal variation in Northeast Atlantic long-finned pilot whales 

      Visser, Fleur; Kok, Annebelle C.M.; Oudejans, Machiel G.; Scott-Hayward, Lindesay A.S.; DeRuiter, Stacy L.; Alves, Ana C.; Antunes, Ricardo N.; Isojunno, Saana; Pierce, Graham J.; Slabbekoorn, Hans; Huisman, Jef; Miller, Patrick J.O. (2017-12) - Journal article
      Vocalisations form a key component of the social interactions and foraging behaviour of toothed whales. We investigated changes in calling and echolocation behaviour of long-finned pilot whales between foraging and ...