This style is popular because it discourages cats and other predators.
The front opens easily for observation and cleaning. The new oval entrance hole makes it easy for the mother to lean inside to feed her babies.
Measures 16 1/4”h x7 ”w x 9 1/4”d
These nesting boxes are “ornithologically correct”, that is, they are built to specifications recommended by wildlife scientists.
They are constructed of Eastern White Pine for years of service in the elements.