Animal Cognition

, Volume 20, Issue 1, pp 65–74 | Cite as

Adjusting foraging strategies: a comparison of rural and urban common mynas (Acridotheres tristis)

  • Ira G. Federspiel
  • Alexis Garland
  • David Guez
  • Thomas Bugnyar
  • Susan D. Healy
  • Onur Güntürkün
  • Andrea S. Griffin
Original Paper
Part of the following topical collections:
  1. Animal cognition in a human-dominated world

Abstract

Establishment in urbanized environments is associated with changes in physiology, behaviour, and problem-solving. We compared the speed of learning in urban and rural female common mynas, Acridotheres tristis, using a standard visual discrimination task followed by a reversal learning phase. We also examined how quickly each bird progressed through different stages of learning, including sampling and acquisition within both initial and reversal learning, and persistence following reversal. Based on their reliance on very different food resources, we expected urban mynas to learn and reversal learn more quickly but to sample new contingencies for proportionately longer before learning them. When quantified from first presentation to criterion achievement, urban mynas took more 20-trial blocks to learn the initial discrimination, as well as the reversed contingency, than rural mynas. More detailed analyses at the level of stage revealed that this was because urban mynas explored the novel cue-outcome contingencies for longer, and despite transitioning faster through subsequent acquisition, remained overall slower than rural females. Our findings draw attention to fine adjustments in learning strategies in response to urbanization and caution against interpreting the speed to learn a task as a reflection of cognitive ability.

Keywords

Behavioural flexibility Reversal learning Discrimination learning Urbanisation Rural birds Indian myna 

Notes

Acknowledgments

The research was funded by a FP7-PEOPLE-2013-IRSES research staff exchange grant to TB, SH, OG and ASG. OG was additionally supported by Gu227/16-1 and IF by an FWF grant (Y366-B17) to TB. We thank Nicole Ward and Mattsen Yeark for assisting with data collection and staff at the University of Newcastle Central Animal House for caring for the birds.

Supplementary material

10071_2016_1045_MOESM1_ESM.csv (2 kb)
Supplementary material 1 (CSV 2 kb)

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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Ira G. Federspiel
    • 1
    • 2
  • Alexis Garland
    • 1
    • 3
  • David Guez
    • 1
    • 5
  • Thomas Bugnyar
    • 2
  • Susan D. Healy
    • 4
  • Onur Güntürkün
    • 3
  • Andrea S. Griffin
    • 1
  1. 1.School of PsychologyUniversity of NewcastleCallaghanAustralia
  2. 2.Department of Cognitive BiologyUniversity of ViennaViennaAustria
  3. 3.AE Biopsychologie, Fakultät für PsychologieRuhr-University BochumBochumGermany
  4. 4.School of BiologyUniversity of St. AndrewsSt AndrewsUK
  5. 5.College of Healthcare Sciences, School of PsychologyJames Cook UniversityCairnsAustralia

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