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* {{Cite book|ref=harv|last=Hume|first=Rob|title=Birds of Britain and Europe|year=2006|publisher=Dorling Kindersley|location=UK|isbn=978-1-40530-753-6|pages=}}
* {{Cite book|ref=harv|last=Mullarney|first=Killian|title=Bird Guide|year=1999|publisher=Collins|location=UK|isbn=978-0-00-711332-3 |last2=Svensson|first2=Lars|last3=Zetterstorm|first3=Dan|author4=Peter J. Grant}}
* {{Cite book|ref=harv|last=Birkhead |first=T.R. |year=1991 |title=The Magpies: The Ecology and Behaviour of Black-Billed and Yellow-Billed Magpies |publisher=T. & A.D. Poyser |isbn=978-085661067-7 |pages=}}
* {{cite journal|last=Birkhead |first=T.R. |year=1989 |title=Studies of West Palearctic birds: 189 Magpie |journal=British Birds |volume=82 |issue=12 |pages=583-600 |url=http://britishbirds.co.uk/wp-content/uploads/article_files/V82/V82_N12/V82_N12_P583_600_A156.pdf }}
* {{ cite journal | last=Song | first=S. | last2=Zhang | first2=R. | last3=Alström | first3=P. | last4=Irestedt | first4=M. | last5=Cai | first5=T. | last6=Qu | first6=Y. | last7=Ericson | first7=P.G.P. | last8=Fjeldså | first8=J. | last9=Lei | first9=F. |year=2017 | title=Complete taxon sampling of the avian genus ''Pica'' (magpies) reveals ancient relictual populations and synchronous Late-Pleistocene demographic expansion across the Northern Hemisphere | journal=Journal of Avian Biology | volume=49 | issue=2 |pages=1–141-14 | doi=10.1111/jav.01612 }}
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