What are Owls
General Overview & Diagram Courtesy of 'The Owl Pages'
Classification: There about 222 to 242 species of owl in the world, depending on whos study you read. Owls are classed as mainly nocturnal (active at night) birds belonging to the order Strigiformes, a group that is most closely related to nightjars (Caprimulgiformes). The order is divided into two families: Tytonidae or Barn Owls and related species, of which there are up to 18 species known, and Strigidae, to which the remaining 194+ Owl species belong.
A quick pointer on when an owl comes out to hunt can be the colour of its eyes, it is not true to all species of owl but can be used as a general guide.
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Distribution: Owls are found on all continents except Antarctica, and in a great variety of habitats, from thick forests to open prairies.
They range in size from the tiny "Least Pygmy Owl" (Glaucidium
minutissimum) at 12cm (4½") tall, to the rather large
"Great Grey Owl" (Strix nebulosa) at up to 84cm (33")
tall. Although the "Eurasian Eagle Owl" (Bubo bubo) is the
largest owl by mass and average lenght. Length: 58-71cm (22.8-28")
of an Owl