H.  Warwick, Morris, P., and Walker, D., ?Survival and weight changes of hedgehogs (Erinaceus europaeus) translocated from the Hebrides to Mainland Scotland?, Lutra, vol. 49, pp. 89?102, 2006.

D. B.  Jackson, ?The breeding biology of introduced hedgehogs (Erinaceus europaeus) on a Scottish Island: lessons for population control and bird conservation?, J. Zool., vol. 268, pp. 303?314, 2006.