Simon Cherriman was six years old when ... making a nest box for your own backyard or balcony. As Simon explains, some types of wildlife — over 300 species in Australia — are "hollow dependent".

Hollow Log Homes audits around 3,000 nest boxes a year and ... "I take some big old hollows in from my spotter catching days and say 'Do you realise that the tree that this hollow came off ...