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The birdFearful Owl (Nesasio solomonensis)
Gufo delle Isole Salomone by Danny11Vitalini, via Wikimedia Commons, licensed under CC BY-SA 4.0
owl

Fearful Owl

Nesasio solomonensis

The Fearful Owl is a large, poorly known owl endemic to a few islands in the Solomon Islands, with rich brown, mottled plumage and a rounded, tuftless head.

Feather type
Large, softly mottled flight and body feathers; rounded, tuftless head
Colours
Rich brown with darker mottling and streaking
Bird size
Large, roughly 40-46 cm

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Overview

The Fearful Owl is endemic to a small number of islands in the northern Solomon Islands, including Bougainville, Choiseul, and Santa Isabel, where it inhabits dense forest. It is among the least studied owls in the world, known from relatively few records and specimens.

Despite its dramatic common name, little is documented about its detailed behavior, and much of what is known comes from limited field observations and historical specimens.

Given its restricted island range and rarity, a large, rich brown mottled feather found in Solomon Islands forest would be a notable and likely rare find attributable to this species based on location.

Identifying the Feather

Shape and Size

Flight feathers are large for an owl of this general build, likely in the range of 24-28 cm on primaries based on the bird's overall size, with the soft fringed edges typical of owls.

Color and Pattern

  • Rich brown ground color with darker mottling and streaking
  • Underparts paler brown with dark streaking
  • Rounded head without ear tufts

Shaft and Vane

Shafts brown; vanes soft and moderately dense, consistent with a forest-dwelling owl.

Distinguishing from Similar Species

As an island endemic with very limited overlap from similarly sized owls, location within the northern Solomon Islands is the most reliable identification clue alongside general size and mottled brown pattern.

Plumage & Molt

Adults are rich brown with darker mottling and streaking, a rounded facial disc without ear tufts, and dark eyes.

Sexes are thought to look broadly similar. Detailed information on juvenile plumage and molt timing is limited given how poorly studied this species remains.

Habitat & Range

This species is restricted to forest habitat on a small number of islands in the northern Solomon Islands, including Bougainville, Choiseul, and Santa Isabel.

It is presumed to be a non-migratory resident, remaining within its limited island forest range.

Behavior & Field Notes

The Fearful Owl is nocturnal and forest-dwelling, though detailed behavioral information remains limited due to how rarely it has been studied. It is thought to feed on small vertebrates and large insects within the forest.

Nesting and vocal behavior are not well documented. A large, rich brown mottled feather found within forest on Bougainville, Choiseul, or Santa Isabel would be a notable find consistent with this rare, little-known species.

Frequently asked questions

Why is so little known about the Fearful Owl?

It is restricted to a small number of remote Solomon Islands and has been recorded relatively few times, making it one of the least studied owls in the world.

Where would I need to be to find a feather from this species?

Within forest on Bougainville, Choiseul, Santa Isabel, or nearby islands in the northern Solomon Islands, since it occurs nowhere else.

Does this owl have ear tufts?

No, it has a rounded, tuftless head.

How large is this species compared to other owls?

It is a fairly large owl, notably bigger than the small scops and pygmy owls found elsewhere in its region.