Flammulated Owl vs Elf Owl

In short

The Flammulated Owl and Elf Owl are both small, nocturnal owls, but they can be distinguished by size, habitat, and vocalizations. The Flammulated Owl is slightly larger and prefers montane forests, while the Elf Owl is smaller and found in desert habitats. Their calls are also distinct, with the Elf Owl producing high-pitched yips.

Identification tips

1. Size: Look for the slightly larger size of the Flammulated Owl. 2. Habitat: Note the habitat; Flammulated Owls are in montane forests, Elf Owls in deserts. 3. Vocalizations: Listen for the low hoots of the Flammulated Owl versus the high yips of the Elf Owl. 4. Plumage: Observe the more muted tones of the Flammulated Owl compared to the sandy-brown of the Elf Owl.

Size

The Flammulated Owl is slightly larger than the Elf Owl.

Plumage

Both species have cryptic plumage that blends with their surroundings, but the Flammulated Owl has more muted, grayish-brown tones, while the Elf Owl has a more uniform, sandy-brown appearance.

Behaviour

Both species are strictly nocturnal and cavity-nesters, but the Elf Owl is more likely to be seen in open desert areas, often nesting in cacti, while the Flammulated Owl is more associated with forested areas.

Habitat

The Flammulated Owl prefers montane forests, often at higher elevations, while the Elf Owl is found in desert environments, utilizing cacti and agave for nesting.

Voice

The Flammulated Owl has low-frequency hoots, while the Elf Owl is known for its high-pitched, puppy-like yips.