John Arnold writes: ‘Dunnock and Robin ….. always at war with one another around the feeders. The Robin always starts the trouble but does not always win the battles ………….. and then the Starlings arrive and nothing else gets a look in.
The Dunnock has rather interesting ‘domestic arrangements’ that can be read about here: http://www.birdguides.com/webzine/article.asp?a=1047