Mechanisms underlying string-pulling behaviour in green-winged macaws

in Behaviour
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Abstract

The string-pulling test is a classic test of physical cognition which is thought to examine an animal’s understanding of means-end comprehension, but may also result from trial and error learning. Here, we presented Green-winged macaws (Ara chloroptera) with a standard pull-up, and an alternative, pull-down, string pulling test to better understand the processes involved. Birds were divided into two groups: the experimental group were presented with the classic pull-up test and, upon completion, with the pull-down test, while the control group were only presented with the pull-down test. Six experimental birds solved the pull-up test, although none successfully completed the pull-down test; however, birds from the experimental group made significantly more pull-down actions than those from the control group. Together with previous findings on string-pulling behaviour in green-winged macaws, the results from the present study suggest that string-pulling behaviour in this species does not involve means-end understanding.

Mechanisms underlying string-pulling behaviour in green-winged macaws

in Behaviour

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References

  • BatesD.MaechlerM.BolkerB. & WalkerS. (2015). Fitting linear mixed-effects models using lme4. — J. Stat. Softw. 67: 1-48. DOI:10.18637/jss.v067.i01.

  • DumasC. & DoréF.Y. (1991). Cognitive development in kittens (Felis catus): an observational study of object permanence and sensorimotor intelligence. — J. Comp. Psychol. 105: 357-365. DOI:10.1037/0735-7036.105.4.357.

  • EmeryN.J. (2006). Cognitive ornithology: the evolution of avian intelligence. — Philos. Trans. Roy. Soc. Lond. B: Biol. Sci. 361: 23-43.

  • FunkM. (2002). Problem solving skills in young yellow-crowned parakeets (Cyanoramphus auriceps). — Anim. Cogn. 3: 167-176. DOI:10.1007/s10071-002-0149-4.

  • HarrisonX.A. (2014). Using observation-level random effects to model overdispersion in count data in ecology and evolution. — PeerJ 2: e616.

  • HeinrichB. (1995). An experimental investigation of insight in common ravens (Corvus corax). — Auk 112: 994-1003.

  • HeinrichB. & BugnyarT. (2005). Testing problem solving in ravens: string-pulling to reach food. — Ethology 111: 962-976.

  • HombergerD.G. (1980). Funktionelle morphologische Untersuchungen zur Radiation der Ernährungs- und Trinkgewohnheiten der Papageien, Bonn. — Zool. Monogr. 13: 1-192.

  • HuntG.R.RutledgeR.B. & GrayR.D. (2006). The right tool for the job: what strategies do wild New Caledonian crows use?Anim. Cogn. 9: 307-316.

  • JabobsI. (2018). String pulling. Encylopedia of animal cognition and behavior. — SpringerCham. DOI:10.1007/978-3-319-47829-6_1505-1.

  • JacobsI.F. & OsvathM. (2015). The string-pulling paradigm in comparative psychology. — J. Comp. Psychol. 129: 89-120.

  • KrasheninnikovaA.BovetD.BusseU. & PéronF. (2012). The parrot and the string: means-end understanding in twelve psittacid bird species. — In: Poster session presented at the ASAB Interdisciplinary Workshop 2012: Physical cognition & Problem solving Vol. 3. Birmingham.

  • KrasheninnikovaA.BraegerS. & WankerR. (2013). Means-end comprehension in four parrot species: explained by social complexity. — Anim. Cogn. 16: 755-764.

  • LantermannW. (1999). Papageienkunde: Biologie Verhalten Haltung; Artenauswahl der Sittiche und Papageien. — PareyBerlinp. 189.

  • Mettke-HofmannC.WinklerH. & LeislerB. (2002). The significance of ecological factors for exploration and neophobia in parrots. — Ethology 108: 249-272.

  • Mettke-HofmannC.ChekeL.G. & ClaytonN.S. (2016). Western scrub-jays (Aphelocoma californica) solve multiple-string problems by the spatial relation of string and reward. — Anim. Cogn. 19: 1103-1114.

  • PepperbergI.M. (2004). “Insightful” string-pulling in grey parrots (Psittacus erithacus) is affected by vocal competence. — Anim. Cogn. 7: 263-266.

  • Schuck-PaimC.BorsariA. & OttoniE.B. (2009). Means to an end: Neotropical parrots manage to pull strings to meet their goals. — Anim Cogn. 12: 287-301. DOI:10.1007/s10071-008-0190-z.

  • SeedA.M.TebbichS.EmeryN.J. & ClaytonN.S. (2006). Investigating physical cognition in rooks, Corvus frugilegus. — Curr. Biol. 16: 697-701.

  • SmithG.A. (1971). The use of the foot in feeding, with especial reference to parrots. — Avic. Mag. 77: 202-218.

  • TaylorA.H.MedinaF.S.HolzhaiderJ.C.HearneL.J.HuntG.R. & GrayR.D. (2010). An investigation into the cognition behind spontaneous string pulling in New Caledonian crows. — PLoS ONE 5: e9345.

  • TaylorA.H.KnaebeB. & GrayR.D. (2012). An end to insight? New Caledonian crows can spontaneously solve problems without planning their actions. — Proc. Roy. Soc. Lond. B: Biol. Sci. 279: 4977-4981. DOI:10.1098/rspb.2012.1998.

  • TebbichS. & BsharyR. (2004). Finch physics: cognitive abilities related to tool-use in the woodpecker finch Cactospiza pallida. — Anim. Behav. 67: 689-697.

  • ThorpeW.H. (1956). Learning and instinct in animals. — MethuenLondon.

  • ThorpeW.H. (1963). Learning and instinct in animals. — MethuenLondon.

  • VisalberghiE. & LimongelliL. (1994). Lack of comprehension of cause-effect relations in tool-using capuchin monkeys (Cebus apella). — J. Comp. Psychol. 108: 15-22.

  • WeirA.A.S.ChappellJ. & KacelnikA. (2002). Shaping of hooks in New Caledonian crows. — Science 297: 981. DOI:10.1126/science.1073433.

  • WerdenichD. & HuberL. (2006). A case of quick problem solving in birds: string pulling in keas, Nestor notabilis. — Anim. Behav. 71: 855-863.

Figures

  • View in gallery

    (a) The pull-up apparatus, in which birds were required to pull the string up to retrieve reward. (b) The pull-down apparatus, in which birds had to pull the string down for the reward. Not drawn to scale.

  • View in gallery

    Performance of the six successful parrots between the first and last sessions of pull-up training, in terms of (a) the time taken to complete the training trials and (b) the number of times the string was dropped. Differences between groups in the pull-down task for (c) the number of pulls at the string and (d) the number of times birds reached for the string. The performance of six parrots of the control group and seven parrots of the experimental group is shown in panels (c) and (d).

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