Blue Diamond
Nest Box Guide - Small Entrance Holes
Blue Tit
Small nestbox with 25mm hole
Coal Tit
Small nestbox with 25mm hole
Great Tit
Small nestbox with 28mm hole
House Sparrow
Small nestbox with 32mm hole
Marsh Tit
Small nestbox 25mm with hole
Nuthatch
Small nestbox with 32mm hole
Pied Flycatcher
Small nestbox with 28mm hole
Redstart
Small nestbox with hole
Tree Sparrow
Small nestbox with 28mm hole