Ethology

2025 Female Condition Is Negatively Associated With Male Social Organization in Octodon degus
2024 Do pet dogs reciprocate the receipt of food from familiar and unfamiliar conspecifics.
2024 Male Barbary macaques choose loyal coalition partners which may increase their coalition network betweenness.
2024 Obituary: Professor Wolfgang Wickler (November 18, 1931-January 12, 2024).
2024 Video evidence of mountings by female-plumaged birds of paradise (Aves: Paradisaeidae) in the wild: Is there evidence of alternative mating tactics.
2023 Ratcheting up tool innovation in Goffin's cockatoos (Cacatua goffiniana): The effect of contextually diverse prior experience.
2023 Sneaky copulations by subordinate males suggest direct fitness benefits from male–male associations in spotted bowerbirds (Ptilonorhynchus maculatus).
2022 Mate choice in a promiscuous poison frog
2021 Deciphering choreographies of elaborate courtship displays of golden-collared manakins using markerless motion capture
2021 Naked mole-rats (Heterocephalus glaber) do not specialise in cooperative tasks.
2021 On the importance of defendable resources for social evolution: Applying new techniques to a long-standing question.
2021 Siblings matter: Family heterogeneity improves associative learning later in life
2020 Decision time modulates social foraging success in wild common ravens, Corvus corax.
2020 Effect of rearing style on the development of social behaviour in young ravens (Corvus corax).
2020 Paying attention pays off: Kea improve in loose-string cooperation by attending to partner.
2020 Selection on ultrasonic call rate in neonatal rats affects low frequency, but not ultrasonic, vocalizations in adults.
2020 Tentative evidence for inequity aversion to unequal work-effort but not to unequal reward distribution in Goffin's cockatoos
2020 Why preen others Predictors of allopreening in parrots and corvids and comparisons to grooming in great apes.
2019 Evolution and function of multimodal courtship displays
2019 Rapid establishment of teat order and allonursing in wild boar (Sus scrofa).
2019 The role of tactile interactions in flight responses in the Bronze Cory catfish (Corydoras aeneus).
2018 Reconciliation and third-party affiliation in carrion crows.
2017 Behavioural and Hormonal Stress Responses to Social Separation in Ravens, Corvus corax.
2017 Variation in Reproductive Success Across Captive Populations: Methodological Differences, Potential Biases and Opportunities
2016 Behavioural Type Affects Space Use in a Wild Population of Crows (
2015 Picture - Object Recognition in Kea (Nestor notabilis).
2015 The Effect of Moonlight on Scopoli's Shearwater Calonectris diomedea Colony Attendance Patterns and Nocturnal Foraging: A Test of the Foraging Efficiency Hypothesis.
2014 Assortative Pairings in Diamond Firetails (Stagonopleura guttata) are not the Result of Mutual Mate Choice for an Ornament.
2014 Effects of Egg and Circulating Testosterone on Ring-Necked Pheasant (Phasianus colchicus) Male Traits and Combat Outcome.
2014 Turning Shy on a Winter's Day: Effects of Season on Personality and Stress Response in Microtus arvalis.
2013 Interpopulation comparisons of antipredator defense behavior of the thorn-tailed rayadito (Aphrastura spinicauda).
2013 Investigating the Effect of Familiarity on Kin Recognition of Three-Spined Stickleback (Gasterosteus aculeatus).
2013 Males with a Faster Courtship Display have More White Spots and Higher Pairing Success in the Diamond Firetail, Stagonopleura guttata.
2013 The Homing Frog: High Homing Performance in a Territorial Dendrobatid Frog Allobates femoralis (Dendrobatidae).
2012 Corticosterone, Avoidance of Novelty, Risk-Taking and Aggression in a Wild Bird: No Evidence for Pleiotropic Effects.
2012 Ephemeral Sexual Dichromatism in Zebrafish (Danio rerio).
2012 White Flank Spots Signal Feeding Dominance in Female Diamond Firetails, Stagonopleura guttata.
2011 Simple Mechanisms Can Explain Social Learning in Domestic Dogs (Canis familiaris).
2010 Mate Choice for Genetic Benefits: Time to Put the Pieces Together.
2010 Paternity Loss in Relation to Male Age, Territorial Behaviour and Stress in the Pied Flycatcher.
2008 Dual Utility of a Melanin-Based Ornament in Bearded Tits.
2008 Stress responses of male guinea pigs predict female preference.
2007 High-speed video analysis reveals individual variability in the courtship displays of male Golden-collared manakins.
2006 Effects of group size on approach to novel objects in ravens (Corvus corax).
2006 Is preening behaviour sexually selected An experimental approach.
2006 Matching and symmetry in the frequency recognition curve of the poison frog Epipedobates trivittatus.
2006 Testing experimental results in the field: Comment on Ficetola and De Bernardi (2005).
2005 Status and reproduction in humans: new evidence for the validity of evolutionary explanations on basis of a university sample.
2004 Vocal repertoire of sooty mangabeys (Cercocebus torquatus atys) in the Tai National Park.
2003 Female canaries (Serinus canaria) associate more with males that contrast strongly against the background.
2003 Male rock sparrow (Petronia petronia) nest defence correlates with female ornament size.
2002 Different reproductive tactics in house sparrows signalled by badge size: Is there a benefit to being average.
2002 Tail length and mutual mate choice in bearded tits (Panurus biarmicus).
2002 The scent of genetic compatibility: Sexual selection and the major histocompatibility complex.
2002 The significance of ecological factors for exploration and neophobia in parrots.
2000 Endocrine and behavioural responses of male greylag geese (Anser anser) to pairbond challenges during the reproductive season.
1999 Feeding tactics of low-ranking red deer stags at supplementary feeding sites.
1999 Reproductive decisions in female European ground squirrels: Factors affecting reproductive output and maternal investment.

• Penn, Dustin
  2023 - 2023
• Völter, Christoph
  2021
• Maggini, Ivan
  2020 - 2020
• Cimarelli, Giulia
  2020
• Auersperg, Alice Isabel Marie
  2019
• Rojas Zuluaga, Bibiana
  2019
• Marshall, Sarah
  2018
• Rojas Zuluaga, Bibiana
  2017 - 2017
• Fischer, Stefan
  2016
• Rojas Zuluaga, Bibiana
  2015 - 2015
• Marasco, Valeria
  2015
• Schwab-Schusser, Christine
  2013
• Range, Friederike
  2011 - 2011
• Hoi, Herbert
  2010
• Penn, Dustin
  2007 - 2007
• Zala, Sarah
  2007
• Arnold, Walter
  1994 - 2000

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