• [Wiki] http://en.wikipedia.org/wiki/Erinaceus_europaeus.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Erinaceus_europaeus.
• [wildpro] http://wildpro.twycrosszoo.org/S/0MInsectivor/Erinaceidae/Erinaceus/Erinaceus_europaeus/11WEHDetPhy.htm.
• [uksafari] http://www.uksafari.com/hedgehogs.htm.
• [Jack2006] Jackson, D. B. (2006). The breeding biology of introduced hedgehogs (Erinaceus europaeus)on a Scottish island: lessons for population control and bird conservation. J. Zool, 268:303--314.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.