An unusual case of nesting of the Dunnock in a fern. - M.V. Matantseva, S.A. Simonov. - Berkut. 19 (1-2). 2010. - P. 172.
In Karelia, NW Russia, in summer 2008 we found a Dunnock’s nest located in a verticil of leaves of the Male Fern. Such a nest disposition is unusual for these birds, but the described case of breeding was successful. [Russian].