A: The smallest member of this Tytonidae family is the Oriental bay owl, (Phodilus badius) just 9 inches .They may weigh as little as 6.6 ounces.
The Masked Owl
(Tyto novaehollandiae) is the largest and most powerful representative of the genus Tyto in Australia and the female of the Tasmanian race is the largest in the world. 2.8 pounds and 22.4 inches in length...
Now that is BIG!