The true owls or typical owls are one of the two generally accepted families of owls, the other being the barn owls and bay owls. This large family comprises 230 living or recently extinct species in
Eastern Screech Owl
Cross sectioned great grey owl specimen showing the extent of the body plumage, Zoological Museum, Copenhagen
Skeleton of a Strigidae owl
Spectacled owl (Pulsatrix perspicillata)
The American horned owls and the Old World eagle-owls make up the genus Bubo, at least as traditionally described. The genus name Bubo is Latin for owl.
Strigidae
…stillness. Their cryptic plumage and the inconspicuous locations they adopt are an effort to avoid predators and mobbing by small birds. Owls, such as the eagle-owl, will use visual signaling in intraspecific communication (communication within the species), both in territorial habits and parent-offspring interactions…
A Eurasian eagle-owl with a rat in its beak
Detail of an eye of an eagle-owl
Eurasian eagle-owl (Bubo bubo)