With some 260 species ranging from the tiny Elf Owl to the large eagle-owls, there are many small variations in how they live, although the majority are only active at night. With binocular vision and ...

The lightest species of owl is the Elf Owl. 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 ...