Southern Boobook Owl?

I think this is a Southern Boobook Owl?

 

Photographed at Cairns Tropical Zoo with a Canon 7D camera + Canon EF 100-400mm f/4.5-5.6 L IS USM Lens.

 

Exposure 1/160 | Aperture f/8 (my usual setting for this lens and zoo's) | Focal Length 100 mm | ISO Speed: 800

Done