Flammulated Owl vs Western Screech-Owl

In short

The Flammulated Owl and Western Screech-Owl are small, nocturnal owls with similar overall appearances, but they can be distinguished by their eye color and vocalizations. The Flammulated Owl has dark eyes and a distinctive low, hoarse call, while the Western Screech-Owl has yellow eyes and a more typical screech-owl trill.

Identification tips

1. Eye color: Flammulated Owl has dark eyes; Western Screech-Owl has yellow eyes. 2. Vocalization: Listen for the low, hoarse call of the Flammulated Owl versus the trills of the Western Screech-Owl. 3. Habitat: Consider the elevation and forest type; Flammulated prefers montane forests, while Western Screech is more adaptable. 4. Size and shape: Western Screech-Owl is slightly larger and more robust.

Size

Both species are small owls, but the Western Screech-Owl is slightly larger and more robust than the Flammulated Owl.

Plumage

Both owls have cryptic plumage with mottled gray and brown patterns, making them well-camouflaged against tree bark. However, the Flammulated Owl often appears more uniformly colored with less contrast in its plumage.

Behaviour

Both species are nocturnal and primarily hunt at night. They are cavity nesters and can be attracted to nest boxes.

Habitat

The Flammulated Owl prefers montane forests with a mix of conifers and deciduous trees, often at higher elevations. The Western Screech-Owl is more adaptable, found in a variety of habitats including riparian woodlands, suburban areas, and lowland forests.

Voice

The Flammulated Owl's call is a low, hoarse hoot, often described as ventriloquial and difficult to locate. The Western Screech-Owl produces a series of trills and whinnies typical of screech-owls.