Not all Owls hoot. Have a listen at our Owl Calls Gallery, and you will see just how many different sounds Owls make. Now, Owls call for the same reason as any other critter makes noises - to communicate.
The tiger owl is a nickname for the Great Horned Owl
The Owl. While Bats can maneuver easily at night they use Echo Location, and are not a Bird.
The Barn Owl is sometimes called a ghost owl.
Eagle, owl, condor, hawk (IMO)
It's a bird, not a mammal.
A bird that looks like an owl is called a "hawk owl."
A owl or any bird that is not yet a adult is called a imature ------.
An owl is a bird and no, no bird eats an owl.
Harry Potter's owl was named Hedwig.
Bird is to Owl as Fish is to Salmon.
An owl is a bird. A bird lays eggs. Therefore the owl lays eggs.
No, an owl is a bird.
No. Owls are a type of bird.
Red Owl - bird - was created in 1878.
Athena's sacred bird is the owl.
The Great Horned Owl is the national bird of Alberta, Canada. The Great Gray Owl is the national bird of Manitoba, Canada. The Snowy Owl is the national bird of Quebec, Canada.
Interesting reading on that question over at wikipedia. The Kakapo of New Zealand. Also, known as the owl parrot.