Aegolius

Aegolius is a genus of small owls belonging to the family Strigidae. The genus name comes from the Greek word "aegolios," which may refer to a type of owl or a bird of prey. These owls are generally characterized by their small size, rounded heads, and relatively large eyes. They are typically found in forested areas across North America, Europe, and Asia. Diet for Aegolius owls usually consists of small mammals, such as voles and mice, as well as insects and small birds. They are nocturnal hunters, relying on their keen eyesight and hearing to locate prey in the dark. Breeding behavior often involves nesting in tree cavities or old woodpecker holes. The genus currently includes four recognized species: the boreal owl (Aegolius funereus), the saw-whet owl (Aegolius acadicus), the unspotted saw-whet owl (Aegolius ridgwayi), and the ochre-bellied pygmy owl (Aegolius harrisii). The conservation status of these species varies, with some being widespread and common, while others face more localized threats. Their secretive nature and preference for dense woodlands can make them difficult to observe.