Sunday, June 28, 2015

Why Does A Nestbox Lid Have a Metal Edge?

Three nestboxes for owls from Hollow Log Homes

Why do the lids have a metal edge?

1 comment:

  1. The funny thing is no one, either here or on G+, have had a go at answering this not very difficult question. If you know anything about parrots and their beaks, for instance. In Australia we have approximately 40 species of native parrots.