‘The thieving magpie’? No evidence for attraction to shiny objects
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It is widely accepted in European culture that magpies (Pica pica) are unconditionally attracted to shiny objects and routinely steal small trinkets such as jewellery, almost as a compulsion. Despite the long history of this folklore, published accounts of magpies collecting shiny objects are rare and empirical evidence for the behaviour is lacking. The latter is surprising considering that an attraction to bright objects is well documented in some bird species. The present study aims to clarify whether magpies show greater attraction to shiny objects than non-shiny objects when presented at the same time. We did not find evidence of an unconditional attraction to shiny objects in either captive or free-living birds. Instead, all objects elicited responses indicating neophobia in free-living birds. We suggest that humans notice when magpies occasionally pick up shiny objects because they believe the birds find them attractive, while it goes unnoticed when magpies interact with less eye-catching items. The folklore may therefore result from observation bias and cultural inflation of orally transmitted episodic events.
KeywordsCorvid Object attraction Magpie Neophobia Nest ornamentation
We thank RSPCA, Secret World Wildlife Rescue, and Crows are Us for providing rescued magpies for the captive study. TVS was funded by the University of Exeter Research Studentship.
Conflict of interest
The authors declare that they have no conflict of interest.
- BBC (2003) Magpies. Retrieved 26th March 2014, from http://news.bbc.co.uk/dna/place-lancashire/plain/A1094230
- Birkhead TR (1991) The magpies: the ecology and behaviour of black-billed and yellow-billed magpies, 1st edn. T & AD Poyser, LondonGoogle Scholar
- Collins (2014) English dictionary: definition of magpie. Retrieved 26th March 2014 from http://www.collinsdictionary.com/dictionary/english/magpie?showCookiePolicy=true
- Garson GD (2012) Generalized linear models / generalized estimating equations, 2013th edn. Statistical Associates Publishers, AsheboroGoogle Scholar
- Greenberg R, Mettke-Hofmann C (2001) Ecological aspects of neophobia and neophilia in birds. Curr Ornithol 16:119–178Google Scholar
- Manchester Evening News (2007) Magpie swoops to steal keys and tools. Retrieved 26th March 2014, from http://www.manchestereveningnews.co.uk/news/greater-manchester-news/magpie-swoops-to-steal-keys-and-tools-1045325
- The Telegraph (2008) Magpie steals woman’s engagement ring and buries it in nest for three years. Retrieved 26th March 2014, from http://www.telegraph.co.uk/news/newstopics/howaboutthat/2637365/Magpie-steals-womans-engagement-ring-and-buries-it-in-nest-for-three-years.html
- Vernelli T (2013) The complexity of neophobia in a generalist foraging corvid: the common magpie (Pica pica). Unpublished PhD thesis, University of ExeterGoogle Scholar
- Winterman D (2008) Why are magpies so often hated? BBC News Mag. Retrieved 26th March 2014, from http://news.bbc.co.uk/1/hi/magazine/7316384.stm