Spectacled Owl vs Tawny-browed Owl

In short

The Spectacled Owl and Tawny-browed Owl are similar in appearance but can be distinguished by their facial markings and vocalizations. The Spectacled Owl has more prominent white 'spectacles' around its eyes, while the Tawny-browed Owl features broader buffish-white facial markings. Their calls differ significantly, aiding in identification.

Identification tips

1. Look for the white spectacles on the Spectacled Owl. 2. Note the broad buffish-white facial markings on the Tawny-browed Owl. 3. Listen for distinct vocalizations: Spectacled Owl has a different call pattern compared to the Tawny-browed Owl's accelerating duet. 4. Consider habitat: Spectacled Owl in lowland forests, Tawny-browed Owl in southeast Brazil and Paraguay.

Size

Both species are similar in size, typical of medium to large owls.

Plumage

The Spectacled Owl has striking white 'spectacles' around its eyes, contrasting with its dark brown head and upperparts. The Tawny-browed Owl, however, has broader buffish-white facial markings and buffy-orange underparts, providing a more uniform appearance.

Behaviour

Both species are primarily nocturnal. The Tawny-browed Owl is often seen in pairs that frequently duet, while the Spectacled Owl is more solitary.

Habitat

The Spectacled Owl is found in Neotropical lowland forests, whereas the Tawny-browed Owl is native to southeast Brazil and Paraguay, often in more restricted ranges.

Voice

The Spectacled Owl's call is distinct from the Tawny-browed Owl's low, descending calls that accelerate towards the end. Listening for these differences can be crucial for identification.