Why hide? : Concealed sex in dominant Arabian babblers (Turdoides squamiceps) in the wild

Ben Mocha, Yitzchak; Mundry, Roger; Pika, Simone

Why hide? : Concealed sex in dominant Arabian babblers (Turdoides squamiceps) in the wild

Dateien

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Datum

2018

Autor:innen

Ben Mocha, Yitzchak

Mundry, Roger

Pika, Simone

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Evolution and Human Behavior. Elsevier. 2018, 39(6), pp. 575-582. ISSN 1090-5138. eISSN 1879-0607. Available under: doi: 10.1016/j.evolhumbehav.2018.05.009

Zusammenfassung

Striking uniformity exists in humans' preference to conceal sexual activity from conspecifics' view. Yet, little is known about the selective pressures acting upon its evolution. To investigate this question, we studied the cooperatively breeding Arabian babbler (Turdoides squamiceps), which has been suggested being the only other species where dominant individuals conceal sex regularly. We examined whether birds indeed conceal sex and tested different hypotheses postulating that sex concealment functions to avoid predators, signal dominance status, or to avoid social interference. The results showed that the birds concealed sex in all observed cases of copulation, did not prefer to copulate under shelters and concealed mating solicitations from adult conspecifics. In addition, subordinates did not attack dominants who courted the respective female. Hence, none of the tested hypotheses explains these results satisfactorily. We postulate that dominant Arabian babblers conceal sex to maintain cooperation with those helpers they prevent from mating. Empirical desiderata for testing this ‘Cooperation-Maintenance’ hypothesis are discussed.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

Arabian babbler, Birds, Concealed sex, Cooperatively breeding species, Human sexual behaviour, Tactical deception, Cooperation-Maintenance hypothesis

Zitieren

ISO 690

BEN MOCHA, Yitzchak, Roger MUNDRY, Simone PIKA, 2018. Why hide? : Concealed sex in dominant Arabian babblers (Turdoides squamiceps) in the wild. In: Evolution and Human Behavior. Elsevier. 2018, 39(6), pp. 575-582. ISSN 1090-5138. eISSN 1879-0607. Available under: doi: 10.1016/j.evolhumbehav.2018.05.009

BibTex

@article{BenMocha2018Conce-53366,
  year={2018},
  doi={10.1016/j.evolhumbehav.2018.05.009},
  title={Why hide? : Concealed sex in dominant Arabian babblers (Turdoides squamiceps) in the wild},
  number={6},
  volume={39},
  issn={1090-5138},
  journal={Evolution and Human Behavior},
  pages={575--582},
  author={Ben Mocha, Yitzchak and Mundry, Roger and Pika, Simone}
}

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