Spectacled Owl

The Spectacled Owl is a large, powerful owl of Neotropical forests, named for the distinctive white markings around its yellow eyes that resemble a pair of spectacles or a mask. Adults have a dark chocolate-brown head, throat, and upperparts, a brown breast band, and pale buffy-cream underparts. Juveniles look dramatically different from adults, being almost entirely white with a dark facial mask, and take several years to molt into full adult plumage — a transformation striking enough that young and old birds were once thought to be different species.

Key field marks

• Large size and bulky build.
• Dark brown head and upperparts with bold white eyebrow and throat patch forming "spectacles" around bright yellow eyes.
• Brown breast band above pale buffy underparts.
• No ear tufts.

Similar species

Other large Neotropical owls, such as Crested Owl, have prominent ear tufts, unlike the Spectacled Owl's smooth, tuftless head. The bold white spectacle pattern combined with a brown breast band is distinctive among owls sharing its range.

Spectacled Owls inhabit humid lowland and foothill evergreen forest, generally below about 1,500 m, ranging from southern Mexico through Central America and across much of South America to Bolivia, Paraguay, and northern Argentina. They are non-migratory residents of forest interior and edge, and are largely nocturnal, roosting quietly in dense foliage by day.

Voice

A distinctive deep, resonant series of knocking or tapping notes, sometimes likened to a knocking woodpecker or a stick being struck rhythmically, given mostly at night.

Feeding

Spectacled Owls hunt from a perch at night, taking a broad range of prey including small mammals, birds, large insects, and occasionally amphibians and reptiles, using powerful talons to seize prey in the dark understory or canopy.

Nesting and breeding

Nests are typically placed in natural tree cavities. A single egg is usually laid, and the young remain dependent on the parents for an unusually long period — up to a year or more — during which they transition slowly from all-white juvenile down to the dark adult plumage.