How to identify the Spectacled Owl

To correctly identify the Spectacled Owl (Pulsatrix perspicillata), check each of these features. Birds can be tricky: habit, habitat, and call often confirm a sighting that a single photo cannot.

Size at a glance

Length

41-52 cm (16-20.5 in)

Wingspan

76-91 cm (30-36 in)

Weight

590-1250 g (1.3-2.8 lbs)

Physical features to check

1. 1

   Plumage

   Overall feather coloration and pattern.

   Adults have dark sooty-brown to blackish upperparts, head, and chest. The underparts are buffy-white to yellowish-ochre, with a dark band across the upper breast. The most striking feature is the white 'spectacles' around the bright yellow eyes, contrasting sharply with the dark facial disc. The nape and hindneck are also dark. Juveniles are strikingly different, being mostly white with a dark chocolate-brown facial disc and dark brown wings and back.

2. 2

   Beak shape

   Shape and color of the bill: a key field mark.

   Strong, hooked, and dark (blackish to dark grey).

3. 3

   Eye color

   Iris color and any distinctive eye markings.

   Bright yellow.

4. 4

   Leg color

   Leg and foot color.

   Greyish-brown to dark grey, with powerful talons.

5. 5

   Distinguishing features

   Standout features that separate this species.

   The prominent white 'spectacles' around the eyes are the most definitive field mark for adults. Juveniles are almost entirely white with a dark face.

6. 6

   Juvenile appearance

   How young birds differ from adults.

   Juveniles are predominantly white, with a dark chocolate-brown facial disc, dark brown wings, and a dark brown back. This plumage is retained for several months before molting into adult plumage.

7. 7

   Seasonal changes

   Plumage variation between breeding and non-breeding seasons.

   No significant seasonal plumage changes. Plumage remains consistent year-round for adults.

8. 8

   Sexual dimorphism

   How males and females differ.

   Females are generally larger and heavier than males, but plumage is identical.

Key field marks

• Facial Markings. Look for the striking white 'spectacles' around the bright yellow eyes, contrasting with the dark facial disc. This is the most diagnostic feature for adults.
• Plumage Coloration (Adult). Note the dark sooty-brown upperparts and chest, with a distinct dark band across the upper breast, and buffy-white to yellowish-ochre underparts.
• Plumage Coloration (Juvenile). Identify juveniles by their almost entirely white body plumage, contrasting with a dark chocolate-brown facial disc and dark wings/back.
• Size. It is a large, robust owl. Its size helps distinguish it from smaller forest owls.
• Vocalization. Listen for its distinctive deep, guttural, accelerating series of hoots, often described as a 'popping' or 'machine gun' sound.
• Habitat. Look for it in dense tropical and subtropical forests, especially near water, during nocturnal hours.

Explore the Spectacled Owl