Around six inches tall when fully grown, it is the size of a sparrow and weighs less than a golf ball! The largest owl in the world is the Eurasian Eagle-Owl, with females growing to a length of ...

A Eurasian eagle-owl was hatched at the Aviary on March 15. The chick weighed 55 grams when it hatched, roughly the size of a small lime. Eagle-owl chicks grow rapidly, according to the Aviary and ...