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  Subjects -> PSYCHOLOGY (Total: 882 journals)
Showing 1 - 174 of 174 Journals sorted alphabetically
Acción Psicológica     Open Access   (Followers: 3)
Acta Colombiana de Psicología     Open Access   (Followers: 4)
Acta Comportamentalia     Open Access   (Followers: 3)
Acta de Investigación Psicológica     Open Access   (Followers: 2)
Acta Psychologica     Hybrid Journal   (Followers: 24)
Activités     Open Access   (Followers: 1)
Actualidades en Psicologia     Open Access   (Followers: 2)
Ad verba Liberorum : Journal of Linguistics & Pedagogy & Psychology     Open Access   (Followers: 8)
Addictive Behaviors Reports     Open Access   (Followers: 6)
ADHD Attention Deficit and Hyperactivity Disorders     Hybrid Journal   (Followers: 22)
ADHD Report The     Full-text available via subscription   (Followers: 8)
Advances in Experimental Social Psychology     Full-text available via subscription   (Followers: 42)
Advances in Mental Health     Hybrid Journal   (Followers: 74)
Advances in Physiotherapy     Hybrid Journal   (Followers: 58)
Advances in Psychology     Full-text available via subscription   (Followers: 62)
Advances in the Study of Behavior     Full-text available via subscription   (Followers: 30)
African Journal of Cross-Cultural Psychology and Sport Facilitation     Full-text available via subscription   (Followers: 4)
Aggression and Violent Behavior     Hybrid Journal   (Followers: 410)
Aggressive Behavior     Hybrid Journal   (Followers: 15)
Aging, Neuropsychology, and Cognition     Hybrid Journal   (Followers: 33)
Ágora - studies in psychoanalytic theory     Open Access   (Followers: 3)
Aletheia     Open Access   (Followers: 1)
American Behavioral Scientist     Hybrid Journal   (Followers: 17)
American Imago     Full-text available via subscription   (Followers: 3)
American Journal of Applied Psychology     Open Access   (Followers: 37)
American Journal of Community Psychology     Hybrid Journal   (Followers: 24)
American Journal of Health Behavior     Full-text available via subscription   (Followers: 24)
American Journal of Orthopsychiatry     Hybrid Journal   (Followers: 4)
American Journal of Psychoanalysis     Hybrid Journal   (Followers: 22)
American Psychologist     Full-text available via subscription   (Followers: 180)
Anales de Psicología     Open Access   (Followers: 2)
Análise Psicológica     Open Access   (Followers: 1)
Análisis y Modificación de Conducta     Open Access   (Followers: 2)
Analysis     Full-text available via subscription   (Followers: 4)
Annual Review of Clinical Psychology     Full-text available via subscription   (Followers: 69)
Annual Review of Organizational Psychology and Organizational Behavior     Full-text available via subscription   (Followers: 29)
Annual Review of Psychology     Full-text available via subscription   (Followers: 224)
Anuario de Psicología / The UB Journal of Psychology     Open Access   (Followers: 1)
Anuario de Psicología Jurídica     Open Access   (Followers: 1)
Anxiety, Stress & Coping: An International Journal     Hybrid Journal   (Followers: 23)
Applied and Preventive Psychology     Hybrid Journal   (Followers: 14)
Applied Cognitive Psychology     Hybrid Journal   (Followers: 70)
Applied Neuropsychology : Adult     Hybrid Journal   (Followers: 33)
Applied Neuropsychology : Child     Hybrid Journal   (Followers: 20)
Applied Psychological Measurement     Hybrid Journal   (Followers: 19)
Applied Psychology     Hybrid Journal   (Followers: 198)
Applied Psychology: Health and Well-Being     Hybrid Journal   (Followers: 49)
Applied Psychophysiology and Biofeedback     Hybrid Journal   (Followers: 8)
Archive for the Psychology of Religion / Archiv für Religionspychologie     Hybrid Journal   (Followers: 20)
Archives of Clinical Neuropsychology     Hybrid Journal   (Followers: 26)
Archives of Scientific Psychology     Open Access   (Followers: 4)
Arquivos Brasileiros de Psicologia     Open Access   (Followers: 1)
Asia Pacific Journal of Counselling and Psychotherapy     Hybrid Journal   (Followers: 8)
Asia-Pacific Psychiatry     Hybrid Journal   (Followers: 4)
Asian American Journal of Psychology     Full-text available via subscription   (Followers: 5)
Asian Journal of Business Ethics     Hybrid Journal   (Followers: 7)
Assessment     Hybrid Journal   (Followers: 11)
Attachment: New Directions in Psychotherapy and Relational Psychoanalysis     Full-text available via subscription   (Followers: 16)
Attention, Perception & Psychophysics     Full-text available via subscription   (Followers: 11)
Australian and Aotearoa New Zealand Psychodrama Association Journal     Full-text available via subscription  
Australian Educational and Developmental Psychologist, The     Full-text available via subscription   (Followers: 7)
Australian Journal of Psychology     Hybrid Journal   (Followers: 18)
Australian Psychologist     Hybrid Journal   (Followers: 12)
Autism Research     Hybrid Journal   (Followers: 34)
Autism Research and Treatment     Open Access   (Followers: 28)
Autism's Own     Open Access   (Followers: 1)
Autism-Open Access     Open Access   (Followers: 5)
Avaliação Psicológica     Open Access  
Avances en Psicologia Latinoamericana     Open Access   (Followers: 1)
Aviation Psychology and Applied Human Factors     Hybrid Journal   (Followers: 19)
Balint Journal     Hybrid Journal   (Followers: 3)
Barbaroi     Open Access  
Basic and Applied Social Psychology     Hybrid Journal   (Followers: 36)
Behavior Analysis in Practice     Full-text available via subscription   (Followers: 6)
Behavior Analysis: Research and Practice     Full-text available via subscription   (Followers: 2)
Behavior Analyst     Hybrid Journal   (Followers: 4)
Behavior Modification     Hybrid Journal   (Followers: 10)
Behavior Research Methods     Hybrid Journal   (Followers: 18)
Behavior Therapy     Hybrid Journal   (Followers: 49)
Behavioral Development Bulletin     Full-text available via subscription  
Behavioral Interventions     Hybrid Journal   (Followers: 9)
Behavioral Neuroscience     Full-text available via subscription   (Followers: 53)
Behavioral Sciences & the Law     Hybrid Journal   (Followers: 24)
Behavioral Sleep Medicine     Hybrid Journal   (Followers: 7)
Behaviormetrika     Hybrid Journal  
Behaviour     Hybrid Journal   (Followers: 12)
Behaviour Research and Therapy     Hybrid Journal   (Followers: 17)
Behavioural and Cognitive Psychotherapy     Hybrid Journal   (Followers: 128)
Behavioural Processes     Hybrid Journal   (Followers: 7)
Biofeedback     Hybrid Journal   (Followers: 4)
BioPsychoSocial Medicine     Open Access   (Followers: 6)
BMC Psychology     Open Access   (Followers: 16)
Body, Movement and Dance in Psychotherapy: An International Journal for Theory, Research and Practice     Hybrid Journal   (Followers: 10)
Boletim Academia Paulista de Psicologia     Open Access  
Boletim de Psicologia     Open Access  
Brain Informatics     Open Access  
British Journal of Clinical Psychology     Full-text available via subscription   (Followers: 143)
British Journal of Developmental Psychology     Full-text available via subscription   (Followers: 37)
British Journal of Educational Psychology     Hybrid Journal   (Followers: 33)
British Journal of Health Psychology     Full-text available via subscription   (Followers: 43)
British Journal of Mathematical and Statistical Psychology     Full-text available via subscription   (Followers: 21)
British Journal of Psychology     Full-text available via subscription   (Followers: 58)
British Journal of Psychotherapy     Hybrid Journal   (Followers: 67)
British Journal of Social Psychology     Full-text available via subscription   (Followers: 33)
Burnout Research     Open Access   (Followers: 7)
Cadernos de psicanálise (Rio de Janeiro)     Open Access  
Cadernos de Psicologia Social do Trabalho     Open Access  
Canadian Art Therapy Association     Hybrid Journal  
Canadian Journal of Behavioural Science     Full-text available via subscription   (Followers: 5)
Canadian Journal of Experimental Psychology     Full-text available via subscription   (Followers: 14)
Canadian Psychology / Psychologie canadienne     Full-text available via subscription   (Followers: 14)
Case Studies in Sport and Exercise Psychology     Hybrid Journal   (Followers: 1)
Cendekia : Jurnal Kependidikan dan Kemasyarakatan     Open Access  
Child Development Perspectives     Hybrid Journal   (Followers: 28)
Child Development Research     Open Access   (Followers: 16)
Ciencia Cognitiva     Open Access   (Followers: 2)
Ciencia e Interculturalidad     Open Access   (Followers: 1)
Ciências & Cognição     Open Access  
Ciencias Psicológicas     Open Access  
Clínica y Salud     Open Access  
Clinical Medicine Insights : Psychiatry     Open Access   (Followers: 10)
Clinical Practice in Pediatric Psychology     Full-text available via subscription   (Followers: 10)
Clinical Psychological Science     Hybrid Journal   (Followers: 12)
Clinical Psychologist     Hybrid Journal   (Followers: 18)
Clinical Psychology & Psychotherapy     Hybrid Journal   (Followers: 72)
Clinical Psychology and Special Education     Open Access   (Followers: 2)
Clinical Psychology Review     Hybrid Journal   (Followers: 38)
Clinical Psychology: Science and Practice     Hybrid Journal   (Followers: 21)
Clinical Schizophrenia & Related Psychoses     Full-text available via subscription   (Followers: 8)
Coaching Psykologi - The Danish Journal of Coaching Psychology     Open Access   (Followers: 1)
Cogent Psychology     Open Access  
Cógito     Open Access  
Cognition & Emotion     Hybrid Journal   (Followers: 39)
Cognitive Behaviour Therapy     Hybrid Journal   (Followers: 16)
Cognitive Neuropsychology     Hybrid Journal   (Followers: 29)
Cognitive Psychology     Hybrid Journal   (Followers: 65)
Cognitive Research : Principles and Implications     Open Access   (Followers: 2)
Consciousness and Cognition     Hybrid Journal   (Followers: 30)
Construção Psicopedagógica     Open Access  
Consulting Psychology Journal : Practice and Research     Full-text available via subscription   (Followers: 4)
Contagion : Journal of Violence, Mimesis, and Culture     Full-text available via subscription   (Followers: 7)
Contemporary Educational Psychology     Hybrid Journal   (Followers: 23)
Contemporary School Psychology     Hybrid Journal   (Followers: 4)
Contextos Clínicos     Open Access  
Counseling Outcome Research and Evaluation     Hybrid Journal   (Followers: 11)
Counseling Psychologist     Hybrid Journal   (Followers: 16)
Counseling Psychology and Psychotherapy     Open Access   (Followers: 10)
Counselling and Psychotherapy Research : Linking research with practice     Hybrid Journal   (Followers: 23)
Counselling and Values     Hybrid Journal   (Followers: 3)
Counselling Psychology Quarterly     Hybrid Journal   (Followers: 11)
Couple and Family Psychoanalysis     Full-text available via subscription   (Followers: 1)
Couple and Family Psychology : Research and Practice     Full-text available via subscription   (Followers: 6)
Creativity Research Journal     Hybrid Journal   (Followers: 22)
Creativity. Theories - Research - Applications     Open Access   (Followers: 3)
Criminal Justice Ethics     Hybrid Journal   (Followers: 7)
Cuadernos de Neuropsicología     Open Access   (Followers: 1)
Cuadernos de Psicologia del Deporte     Open Access  
Cuadernos de Psicopedagogía     Open Access  
Cultural Diversity and Ethnic Minority Psychology     Full-text available via subscription   (Followers: 13)
Cultural-Historical Psychology     Open Access   (Followers: 1)
Culturas Psi     Open Access  
Culture and Brain     Hybrid Journal   (Followers: 4)
Current Addiction Reports     Hybrid Journal   (Followers: 12)
Current Behavioral Neuroscience Reports     Hybrid Journal   (Followers: 2)
Current Directions In Psychological Science     Hybrid Journal   (Followers: 51)
Current Opinion in Behavioral Sciences     Hybrid Journal   (Followers: 3)
Current Opinion in Psychology     Hybrid Journal   (Followers: 4)
Current Psychological Research     Hybrid Journal   (Followers: 13)
Current Psychology     Hybrid Journal   (Followers: 15)
Current psychology letters     Open Access   (Followers: 2)
Current Research in Psychology     Open Access   (Followers: 20)
Cyberpsychology, Behavior, and Social Networking     Hybrid Journal   (Followers: 15)
Decision     Full-text available via subscription   (Followers: 3)
Depression and Anxiety     Hybrid Journal   (Followers: 17)
Depression Research and Treatment     Open Access   (Followers: 14)
Developmental Cognitive Neuroscience     Open Access   (Followers: 18)
Developmental Neuropsychology     Hybrid Journal   (Followers: 17)
Developmental Psychobiology     Hybrid Journal   (Followers: 9)
Developmental Psychology     Full-text available via subscription   (Followers: 46)
Diagnostica     Hybrid Journal   (Followers: 2)
Dialectica     Hybrid Journal   (Followers: 1)
Discourse     Full-text available via subscription   (Followers: 9)
Diversitas: Perspectivas en Psicologia     Open Access  
Drama Therapy Review     Hybrid Journal   (Followers: 1)
Dreaming     Full-text available via subscription   (Followers: 11)
Drogues, santé et société     Full-text available via subscription  
Dynamics of Asymmetric Conflict: Pathways toward terrorism and genocide     Hybrid Journal   (Followers: 14)
Ecopsychology     Hybrid Journal   (Followers: 6)
ECOS - Estudos Contemporâneos da Subjetividade     Open Access  
Educational Psychology Review     Hybrid Journal   (Followers: 28)
Educational Psychology: An International Journal of Experimental Educational Psychology     Hybrid Journal   (Followers: 50)
Educazione sentimentale     Full-text available via subscription  
Electronic Journal of Research in Educational Psychology     Open Access   (Followers: 7)
Elpis - Czasopismo Teologiczne Katedry Teologii Prawosławnej Uniwersytetu w Białymstoku     Open Access  
Emotion     Full-text available via subscription   (Followers: 34)
Emotion Review     Hybrid Journal   (Followers: 20)
En-Claves del pensamiento     Open Access   (Followers: 1)
Enseñanza e Investigacion en Psicologia     Open Access  
Epiphany     Open Access   (Followers: 3)
Escritos de Psicología : Psychological Writings     Open Access   (Followers: 2)

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Journal Cover Behaviour
  [SJR: 0.717]   [H-I: 59]   [12 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 0005-7959 - ISSN (Online) 1568-539X
   Published by Brill Academic Publishers Homepage  [227 journals]
  • Do songbirds attend to song categories when selecting breeding
           habitat' A case study with a wood warbler (Advance Article)
    • Authors: Janice K. Kelly; Michael P. Ward
      Abstract: Source: Page Count 22Breeding habitat selection strongly affects reproduction and individual fitness. Among birds, using social cues from conspecifics to select habitat is widespread, but how different types of conspecific social cues influence breeding habitat selection remains less understood. We conducted a playback experiment evaluating if the yellow warbler (Setophaga petechia), a species with two song categories linked to pairing status, uses categories differently when selecting breeding habitat. We hypothesized that yellow warblers use second-category singing mode, which is mostly sung by paired males, over first-category singing mode for habitat selection, as successfully paired males should indicate higher-quality habitat. We broadcast yellow warbler first-category singing mode, second-category singing mode, and silent controls at sites in Illinois. Yellow warblers were more abundant at sites treated with second-category singing mode compared other sites. Our results demonstrate that yellow warblers use social cues informing successful pairing over other types of social cues to select breeding habitat.
      PubDate: 2017-11-13T00:00:00Z
       
  • Grooming interchange for resource tolerance: biological markets principles
           within a group of free-ranging rhesus macaques (Advance Article)
    • Authors: K.N. Balasubramaniam; C.M. Berman
      Abstract: Source: Page Count 32In group-living animals, allogrooming is a common, heterogeneously distributed affiliative behaviour. Among non-human primates, Barrett et al. (1999) predicted ways in which Biological Markets principles interact with competitive regimes to influence grooming reciprocity and interchange. Most tests of these predictions, done at a group level, have produced inconsistent results. Here we take a novel approach by testing these predictions across individuals within a group. This is based on the premise that in groups facing moderate-to-high within-group-competition, individuals vary in their abilities to access resources based on their competitive abilities, causing them to pursue different grooming exchange strategies. We examine evidence for grooming reciprocity and interchange for tolerance at drinking sources among adult females within a group of rhesus macaques (Macaca mulatta) on Cayo Santiago. We test the above premise by assessing hierarchical steepness, and the relationship between individuals’ David’s scores (DS) and access to drinking sources. Finally, we examine the relationship of DS with grooming reciprocity and interchange to see whether they are consistent with the operation of market forces among individuals. Social network comparisons revealed that giving grooming was strongly predicted by both receiving drinking tolerance (interchange) and receiving grooming (reciprocity), despite strong associations with proximity and maternal kinship. The group showed a moderately steep hierarchy, and negative correlations between individuals’ David’s scores and difficulties in accessing drinking stations. Finally, we found partial support for a market-based explanation. Individuals with relatively low David’s scores were more likely to interchange grooming with drinking tolerance. However, grooming reciprocity wasn’t greater among individuals with higher David’s scores. Our findings suggest that multiple explanatory frameworks — reciprocity, market-based interchange, and/or proximity-mediated interchange/social bond investment — may all shape rhesus grooming exchange patterns. Future directions include examining evidence for additional forms of grooming interchange, and the influence of between-group-competition and stress-indicators on grooming reciprocity.
      PubDate: 2017-11-13T00:00:00Z
       
  • Effects of parental condition and nesting habitat on sex allocation in the
           mountain chickadee
    • Authors: Erica S. Bonderud; Ken A. Otter, Brent W. Murray, Kristen L.D. Marini, Theresa M. Burg Matthew W. Reudink
      Abstract: Source: Page Count 21When the reproductive value of sons vs. daughters differs, sex allocation theory predicts females should bias the sex ratio of their broods towards the higher-value sex. Females in numerous bird species appear to bias offspring sex in response to self and mate condition, and breeding habitat quality. Over three breeding seasons, we monitored mountain chickadees breeding along a rural to urban habitat gradient. We did not find female condition or the condition of the putative father or true genetic father to influence offspring sex. We found marginal evidence for sex allocation in relation to habitat urbanization, though opposite to our predictions. In urban habitat, offspring were more likely to be female as the degree of habitat urbanization increased. We suggest habitat quality may be influential in mountain chickadee reproductive decisions; however, the ecology of mountain chickadees may not fulfill the assumptions of sex allocation theory.
      PubDate: 2017-10-30T00:00:00Z
       
  • Patterns of association among female Indo-Pacific bottlenose dolphins ()
           in a population forming large groups
    • Authors: Miki Nishita; Miki Shirakihara Masao Amano
      First page: 1013
      Abstract: Source: Volume 154, Issue 9-10, pp 1013 - 1028Indo-Pacific bottlenose dolphins (Tursiops aduncus) around Amakusa-Shimoshima, Japan form large groups of>100 individuals, a remarkable feature of this population, which is much larger than previously studied bottlenose dolphins. Using photo-identification data collected on 33 days in 2012, associations among 70 females were investigated using two scales of association measure (photograph- and group-based association) to know whether they associate based on their reproductive status, as is typically observed in other populations with smaller group size. Significant differences in associations between females of the same reproductive status category and those in different categories were detected, and a female that lost her calf within a year decreased associations with females with calves of the same age. These suggests that even in a population with large group size, the reproductive status of females is one of the factors influencing their associations.
      PubDate: 2017-10-23T00:00:00Z
       
  • Why do female desert lizards construct burrows to lay eggs'
    • Authors: Shu-Ran Li; Xin Hao, Jun-Huai Bi Wei-Guo Du
      First page: 1051
      Abstract: Source: Volume 154, Issue 9-10, pp 1051 - 1068Many oviparous animals construct well-designed nests to provide relatively favourable conditions for their eggs and hatchlings, but the direct evidence that nest structure can determine their reproductive success is insufficient. In the present study, we explored the structure of nests and its effect on nest environments and reproductive success in the toad-headed agama (Phrynocephalus przewalskii). We observed that female P. przewalskii constructed burrow nest consisting of an inclined tunnel and an expanded chamber. We constructed artificial nests with or without the burrow to determine how burrows influence nest environments, egg survival and successful emergence of hatchlings. Our results indicated that burrow nests had higher and more stable humidity than non-burrow nests. More importantly, egg survival and the emergence success of hatchlings were significantly higher for burrow nests than for non-burrow nests. Therefore, our manipulation experiments provide direct evidence that maternal nest construction behaviour could determine parental reproductive success in reptile.
      PubDate: 2017-10-23T00:00:00Z
       
  • Is righting response lateralized in two species of freshwater turtles'
    • Authors: Geoffrey R. Smith; Jessica E. Rettig John B. Iverson
      First page: 1069
      Abstract: Source: Volume 154, Issue 9-10, pp 1069 - 1079Laterality has been found in a variety of reptiles. In turtles, one important behaviour is the righting response. Here, we studied laterality of righting response of two species of freshwater turtles, the Painted Turtle (Chrysemys picta) and the Eastern Musk Turtle (Sternotherus odoratus). We found evidence of individual-level laterality in righting response in C. picta, but not S. odoratus. Neither species showed evidence of population-level laterality in righting response. Our results suggest that there is variation in the extent of laterality of righting response in turtles. Possible explanations for variation in laterality of righting response in turtles include shell shape and use of terrestrial habitats. However, more species of turtles need to be examined to demonstrate any general patterns in laterality of righting response in turtles.
      PubDate: 2017-10-23T00:00:00Z
       
  • Extra-pair paternity in the black-headed gull: is it exceptional among
           colonial waterbirds' (Advance Article)
    • Authors: Piotr Indykiewicz; Patrycja Podlaszczuk Piotr Minias
      Abstract: Source: Page Count 19Although nesting at high densities promotes frequent interactions with individuals other than social mates, the rate of extra-pair paternity (EPP) in colonial waterbirds is generally low. So far, the highest EPP rate within this group has been reported in the black-headed gull Chroicocephalus ridibundus breeding in a colony in Czech Republic (33% broods with extra-pair offspring). In this study, we used a set of microsatellite loci to analyse parentage in 34 gull families (102 nestlings) from northern Poland. We recorded intra-specific brood parasitism in 10.8% of broods, but no evidence for EPP was found. The striking discrepancy between our results and previous estimates of EPP rate in the black-headed gull strongly indicate that promiscuity is a context-dependent strategy in this species and that its prevalence may greatly vary between populations. We recommend that a special care should be taken while using single-population data on EPP in the inter-specific comparative analyses.
      PubDate: 2017-10-18T00:00:00Z
       
  • Personality is correlated with natal dispersal in North American red
           squirrels () (Advance Article)
    • Authors: Eve B. Cooper; Ryan W. Taylor, Amanda D. Kelley, April Robin Martinig, Stan Boutin, Murray M. Humphries, Ben Dantzer, Jeffrey E. Lane Andrew G. McAdam
      Abstract: Source: Page Count 23Individual natal dispersal behaviour is often difficult to predict as it can be influenced by multiple extrinsic and intrinsic factors. Individual differences in personality have been shown to be an important correlate of dispersal behaviour. However, the relationships between personality traits and dispersal are often inconsistent within and across studies and the causes of these discrepancies are often unknown. Here we sought to determine how individual differences in activity and aggression, as measured in an open-field trial, were related to natal dispersal distance in a wild population of North American red squirrels (Tamiasciurus hudsonicus). For 14 cohorts, while individual aggression consistently had no association with dispersal distance, the association between activity and dispersal fluctuated through time, mediated by population density. The environmental-dependence of the relationship between personality and dispersal in this population is indicative of the importance of considering external conditions when predicting dispersal behaviour.
      PubDate: 2017-10-11T00:00:00Z
       
  • Vocalizations associated with predator-type do not elicit
           predator-specific escape responses in grey squirrels (Advance Article)
    • Authors: Thaddeus R. McRae; Steven M. Green
      Abstract: Source: Page Count 16Eastern gray squirrels produce moans for aerial predators and quaas for terrestrial threats. One commonly-supported hypothesis for such predator-associated signals is that they elicit predator-specific escape responses in conspecifics. With simulated aerial predators, squirrels ran to the far side of tree trunks. In response to simulated terrestrial predators, squirrels frequently ran to where they could see the predator but could quickly flee to the far side of the tree trunk. Playbacks of quaas and moans elicited flight behaviour, but without association between escape location and alarm call type. Locations elicited by alarm calls differed from those elicited by simulated predators, with squirrels pausing on the side facing the call’s source. While grey squirrel alarms and escape strategies differ by predator type, the vocalizations do not function to elicit divergent escape strategies in conspecifics. This result stands in contrast to observed functions in other species with calls differing by predator type.
      PubDate: 2017-10-11T00:00:00Z
       
  • A time-based method for defining associations using photo-identification
           (Advance Article)
    • Authors: D.R. Johnston; W. Rayment, E. Slooten S.M. Dawson
      Abstract: Source: Page Count 22Photo-identification is an invaluable method for documenting associations. Based on the assumption that individuals photographed close together in time are physically close in space, the metadata associated with digital photography offers an opportunity to base association analyses on time between images. This was tested via analysis of associations within a population of bottlenose dolphins (Tursiops truncatus) in Doubtful Sound, New Zealand. We compared the widely used group-membership method and an alternative time-based method. Overall social structures between methods were similar; high degrees of association among all individuals and little support for sub-groups. Results also indicated an increase in the precision of pairwise indices for the time-based method. This study validated the approach of using time as a basis for analyses of associations. Importantly, this method can be retrospectively applied to any photo-ID data set in which images of uniquely identifiable individuals are time-stamped by the camera.
      PubDate: 2017-10-11T00:00:00Z
       
  • Modification of host social networks by manipulative parasites
           (Advance Article)
    • Authors: Robert Poulin
      Abstract: Source: Page Count 18Social network models provide a powerful tool to estimate infection risk for individual hosts and track parasite transmission through host populations. Here, bringing together concepts from social network theory, animal personality, and parasite manipulation of host behaviour, I argue that not only are social networks shaping parasite transmission, but parasites in turn shape social networks through their effects on the behaviour of infected individuals. Firstly, I review five general categories of behaviour (mating behaviour, aggressiveness, activity levels, spatial distribution, and group formation) that are closely tied to social networks, and provide evidence that parasites can affect all of them. Secondly, I describe scenarios in which behaviour-altering parasites can modify either the role or position of individual hosts within their social network, or various structural properties (e.g., connectance, modularity) of the entire network. Experimental approaches allowing comparisons of social networks pre- versus post-infection are a promising avenue to explore the feedback loop between social networks and parasite infections.
      PubDate: 2017-10-10T00:00:00Z
       
  • The baroque potheads: modification and embellishment in repeated call
           sequences of long-finned pilot whales
    • Authors: Elizabeth M.J. Zwamborn; Hal Whitehead
      Abstract: Source: Page Count 17Vocal variation within calls that are generally stereotyped suggests multiple simultaneous functions. These vocal cues may be especially important for group-living species. We describe two fundamental call transition types within repeated call sequences of long-finned pilot whales (Globicephala melas): embellishment — discrete changes to a specific part of a call — and morphing — non-discrete small changes across a call. Of transitions between consecutive calls, 31% were embellished and 20% morphed. Modifications between pairs of consecutive calls were often followed by another modification of the same type, with sequences of embellished transitions generally alternating between ornamentation and simplification. Ten classes of embellishment varied in rate of occurrence as well as temporal location within a call. Most common were the addition/deletion of pulsed or tonal elements. Functions of these modifications could include conveying information on location or the emotional state of the signaller, or they could be products of vocal innovation.
      PubDate: 2017-10-04T00:00:00Z
       
  • Contrasting seasonal reactions of two sibling woodpeckers to playback
           stimulation in urban areas — implications for inventory and monitoring
           of the Syrian woodpecker (Advance Article)
    • Authors: Tomasz Figarski
      Abstract: Source: Page Count 16The Syrian woodpecker (Dendrocopos syriacus) is the most synanthropic species among European woodpeckers and can be considered to be a synurbic species benefiting from human activity and man-made habitats. Because it is closely related to the common great spotted woodpecker (Dendrocopos major), the interactions between the species should be investigated before conducting any study on the Syrian woodpecker. The aim of this study was to assess, analyse and compare both species reactions to the broadcasting of Syrian woodpecker playbacks throughout the year, in urban areas. The study was conducted in three Polish towns. All sites hosted populations of Syrian and great spotted woodpeckers living sympatrically. Both woodpeckers were observed throughout each year of study and responded to playback. The Syrian woodpecker more willingly responded to playbacks. Especially interesting was that the Syrian woodpecker female participated in territorial activity to a greater degree than males (sex-role reversed species). This is the first woodpecker study that shows a stronger territorial activity in females than males and the first reporting woodpecker reactions to playback stimulation throughout the year. The Syrian woodpecker is a rare and threatened species in Europe (protected under the Birds Directive of the European Union (2009/147/EC) and is considered a keystone species for woods and associated biodiversity in urban areas. Therefore, application of efficient methods for precise recognition of Syrian woodpecker territories (not only breeding ones) on the basis of correct interpretation of its behaviour is crucial for its conservation and urban habitat management.
      PubDate: 2017-10-04T00:00:00Z
       
  • Self-handicapping during play fighting in capuchin monkeys ()
    • Authors: Meredith C. Lutz; Peter G. Judge
      Abstract: Source: Page Count 30Play may serve several potential functions, including learning to overcome unexpected circumstances. Self-handicapping, during which individuals do not utilize their full strength, is proposed to provide training for the unexpected. If self-handicapping occurs, then play fight intensity should decrease as partner age discrepancy increases. By playing with reduced intensity, the older partner self-handicaps, exposing itself to situations that it does not fully control. Self-handicapping was investigated in a captive group of brown capuchin monkeys (Cebus apella) by recording the duration and sequence of play during focal samples. All instances of play fighting were scored from video for intensity. As the age difference between the partners increased, the intensity of play bouts decreased. Since partners with larger age disparities played less intensely, results provided quantitative evidence for self-handicapping, although additional factors may affect play intensity. We suggest that self-handicapping encourages play and provides support for the training for the unexpected hypothesis.
      PubDate: 2017-08-31T00:00:00Z
       
 
 
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