Owls are the only bird could see the color blue, while few other birds possess the capability of seeing UV Colors which humans do not possess. The fervent vision of an owl is pragmatic for food & mate hunt.

Well, Hawk and Eagles have a better sharpness of vision than owl though it can see the color blue. The birds which have distinctly feathers in a blue color while the other birds hunt for a purpose, like mating.

Birds of order Strigiformes includes Owls as one species among 200 species which largely consist of Nocturnal and Solitary birds of prey characterized by a binocular vision, upright stance, sharp talons, silent flight, a large broad head, binaural hearing and feathers where northern hawk-owl and burrowing owl are exceptions.

Hunt pattern of owl include insects, birds, and mammals while few are good in fish hunting too. Owls can be found in every region of Earth other than remote islands and Antartica.