Why preen others? Predictors of allopreening in parrots and corvids and comparisons to grooming in great apes

What constitutes “social complexity” and “social intelligence” in birds? Lessons from ravens

(2019) Palmyre H. Boucherie et al.   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY

Balancing Type I error and power in linear mixed models

(2017) Hannes Matuschek et al.   JOURNAL OF MEMORY AND LANGUAGE

Voluntary food sharing in pinyon jays: the role of reciprocity and dominance

(2016) Juan F. Duque et al.   ANIMAL BEHAVIOUR

Do friends help each other? Patterns of female coalition formation in wild bonobos at Wamba

(2016) Nahoko Tokuyama et al.   ANIMAL BEHAVIOUR

Effect of kinship on the allopreening among juvenile Bengalese finches

(2016) Sohyeon Ju et al.   Animal Cells and Systems

Bonding beyond the pair in a monogamous bird: impact on social structure in adult rooks (Corvus frugilegus)

(2016) Palmyre H. Boucherie et al.   BEHAVIOUR

Cognition without Cortex

(2016) Onur Güntürkün et al.   TRENDS IN COGNITIVE SCIENCES

Fitting Linear Mixed-Effects Models Usinglme4

(2015) Douglas Bates et al.   Journal of Statistical Software

Social Grooming in Bats: Are Vampire Bats Exceptional?

(2015) Gerald Carter et al.   PLoS One

Responses to social and environmental stress are attenuated by strong male bonds in wild macaques

(2014) Christopher Young et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Death of the Alpha: Within-Community Lethal Violence Among Chimpanzees of the Mahale Mountains National Park

(2013) STEFANO S. K. KABURU et al.   AMERICAN JOURNAL OF PRIMATOLOGY

Role of grooming in reducing tick load in wild baboons (Papio cynocephalus)

(2013) Mercy Y. Akinyi et al.   ANIMAL BEHAVIOUR

Mutual grooming among adult male chimpanzees: the immediate investment hypothesis

(2013) Zarin P. Machanda et al.   ANIMAL BEHAVIOUR

Sources of variation in uropygial gland size in European birds

(2013) Orsolya Vincze et al.   BIOLOGICAL JOURNAL OF THE LINNEAN SOCIETY

Stability and Durability of Intra- and Intersex Social Bonds of Captive Rhesus Macaques (Macaca mulatta)

(2013) Jorg J. M. Massen et al.   INTERNATIONAL JOURNAL OF PRIMATOLOGY

Random effects structure for confirmatory hypothesis testing: Keep it maximal

(2013) Dale J. Barr et al.   JOURNAL OF MEMORY AND LANGUAGE

Do Animals Living in Larger Groups Experience Greater Parasitism? A Meta-Analysis

(2012) Joanna L. Rifkin et al.   AMERICAN NATURALIST

Supply and demand predict male grooming of swollen females in captive chimpanzees, Pan troglodytes

(2012) Nicola F. Koyama et al.   ANIMAL BEHAVIOUR

Social bonds and rank acquisition in raven nonbreeder aggregations

(2012) Anna Braun et al.   ANIMAL BEHAVIOUR

Nice guys finish last: same-sex sexual behavior and pairing success in male budgerigars

(2012) Puya Abbassi et al.   BEHAVIORAL ECOLOGY

Strategic use of allopreening in family-living wrens

(2012) Sharon A. Gill   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY

Stability and Change of Social Relationship Quality in Captive Chimpanzees (Pan troglodytes)

(2012) Sonja E. Koski et al.   INTERNATIONAL JOURNAL OF PRIMATOLOGY

Social Grooming in the Brown-Headed Nuthatch May have Expanded Functions

(2012) James A. Cox   SOUTHEASTERN NATURALIST

Social bonds predict future cooperation in male Barbary macaques, Macaca sylvanus

(2011) Andreas Berghänel et al.   ANIMAL BEHAVIOUR

Reciprocity of agonistic support in ravens

(2011) Orlaith N. Fraser et al.   ANIMAL BEHAVIOUR

Male Mating Tactics in Captive Rhesus Macaques (Macaca mulatta): The Influence of Dominance, Markets, and Relationship Quality

(2011) Jorg J. M. Massen et al.   INTERNATIONAL JOURNAL OF PRIMATOLOGY

Ravens Reconcile after Aggressive Conflicts with Valuable Partners

(2011) Orlaith N. Fraser et al.   PLoS One

The quality of social relationships in ravens

(2010) Orlaith N. Fraser et al.   ANIMAL BEHAVIOUR

Cryptic multiple hypotheses testing in linear models: overestimated effect sizes and the winner's curse

(2010) Wolfgang Forstmeier et al.   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY

Close social associations in animals and humans: functions and mechanisms of friendship

(2010) Jorg Massen et al.   BEHAVIOUR

Bondedness and sociality

(2010) Robin Dunbar et al.   BEHAVIOUR

Measuring Pair Relationships in Jackdaws

(2010) Beat Wechsler   ETHOLOGY

Do Ravens Show Consolation? Responses to Distressed Others

(2010) Orlaith N. Fraser et al.   PLoS One

Kinship and social bonds in female chimpanzees (Pan troglodytes)

(2009) Kevin Langergraber et al.   AMERICAN JOURNAL OF PRIMATOLOGY

Signalling for food and sex? Begging by reproductive female white-throated magpie-jays

(2009) Jesse M.S. Ellis et al.   ANIMAL BEHAVIOUR

Male chimpanzees form enduring and equitable social bonds

(2009) John C. Mitani   ANIMAL BEHAVIOUR

What Does Mutual Grooming Tell Us About Why Chimpanzees Groom?

(2009) Pawel Fedurek et al.   ETHOLOGY

Cooperative breeding, mate guarding, and nest sharing in two parrot species of New Caledonia

(2009) Jörn Theuerkauf et al.   JOURNAL OF ORNITHOLOGY

Allogrooming in cattle: Relationships between social preferences, feeding displacements and social dominance

(2008) David Val-Laillet et al.   APPLIED ANIMAL BEHAVIOUR SCIENCE

Conclusions beyond support: overconfident estimates in mixed models

(2008) H. Schielzeth et al.   BEHAVIORAL ECOLOGY

Association patterns among wild chimpanzees (Pan troglodytes schweinfurthii) reflect sex differences in cooperation

(2008) Ian C. Gilby et al.   BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY

Components of Relationship Quality in Chimpanzees

(2008) Orlaith N. Fraser et al.   ETHOLOGY

Focused grooming networks and stress alleviation in wild female baboons

(2008) Roman M. Wittig et al.   HORMONES AND BEHAVIOR

Extra pair paternity in birds: a review of interspecific variation and adaptive function

(2003) Simon C. Griffith et al.   MOLECULAR ECOLOGY