Boobook Owl wingspan ranges from 36 cm to 52 cm for adult birds.
Height ranges from 26 cm to 37 cm. Female owls are larger than their male counterparts.
Weight ranges from just under 145g to 370g. Again the female owls tend to be larger and weigh more than male eagles.
The type of prey hunted by these owls differs greatly per individual. Food of choice are small mammals like rats and mice. small birds up to the size of a sparrow are also caught. Invertebrates are also on the menu including beetles and moths. The Boobook's hunt from a perch, flying insects are caught by hawking through or above tree lines. They can also snatch insects from bushes or on the ground.