The fearful owl (''Asio solomonensis'') is a medium-sized
owl
Owls are birds from the order Strigiformes (), which includes over 200 species of mostly solitary and nocturnal birds of prey typified by an upright stance, a large, broad head, binocular vision, binaural hearing, sharp talons, and feathers a ...
endemic to the
Solomon Islands archipelago
The Solomon Islands (archipelago) is an island group in the western South Pacific Ocean, north-east of Australia. The archipelago is in the Melanesian subregion and bioregion of Oceania and forms the eastern boundary of the Solomon Sea. The ...
. It is generally seen at elevations of up to 800 m above
sea level
Mean sea level (MSL, often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical datuma standardised g ...
, where it is found in tall lowland or hill
forest
A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...
s.
Description
The fearful owl is a large forest owl growing to a length of about . It has a rufous facial disk and distinct white eyebrows. The inner edge of the facial disk is also white. It is usually mottled brown with deep ochre underparts and blackish streaks. This species may be confused with the
Solomon hawk owl, although the latter is slightly smaller and more slender. It is also similar in appearance to the
laughing owl
The laughing owl (''Ninox albifacies''), also known as ''whēkau'' or the white-faced owl, was an endemic owl of New Zealand. Plentiful when European settlers arrived in New Zealand, its scientific description was published in 1845, but it was l ...
, which is now extinct.
The Hawk Conservancy Trust
/ref>
Its call is similar to a clear human scream, increasing in volume and tone and emitted in a series, each pulse being repeated at intervals of ten seconds.
Distribution and habitat
The fearful owl is endemic to the island of Bougainville in Papua New Guinea and to Choiseul Island
Choiseul Island, native name Lauru, is the largest island () of the Choiseul Province, Solomon Islands, at . The administrative headquarters of Choiseul Province is situated in the town of Taro, on Taro Island.
History
In 1768, the French expl ...
and to Santa Isabel Island
Santa Isabel Island (also known as Isabel, Ysabel and Mahaga) is the longest in Solomon Islands, the third largest in terms of surface area, and the largest in the group of islands in Isabel Province.
Location and geographic data
Choiseul lies t ...
in the Solomon Islands. It is found in old-growth lowland and hill forest, usually in primary forest but also sometimes in nearby secondary forest and woodland edges to at least above sea level.[
]
Behaviour
Though generally nesting in tree holes and cracks, nests of the fearful owl have been found on the epiphyte
An epiphyte is an organism that grows on the surface of a plant and derives its moisture and nutrients from the air, rain, water (in marine environments) or from debris accumulating around it. The plants on which epiphytes grow are called phoroph ...
-covered branches of large fig trees
''Ficus'' ( or ) is a genus of about 850 species of woody trees, shrubs, vines, epiphytes and hemiepiphytes in the family (biology), family Moraceae. Collectively known as fig trees or figs, they are native throughout the tropics with a few spe ...
(''Ficus'' spp.), both in primary forest and close to the forest edge and near gardens.[
]
Status
The fearful owl preys on phalanger
''Phalanger'' (from the Greek ''phalangion'', meaning spider's web, from their webbed (fused) toesChambers English Dictionary) is a genus of possums. Its members are found on New Guinea, the Maluku Islands, other nearby small islands, and Aust ...
s, especially the northern common cuscus
The northern common cuscus (''Phalanger orientalis''), also known as the gray cuscus, is a species of marsupial in the family Phalangeridae native to northern New Guinea and adjacent smaller islands, but is now also found in the Bismarck Archipel ...
. Overhunting of the northern common cuscus may be threatening the fearful owl,[ although ]habitat loss
Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...
due to logging is the primary cause of population decline.
References
External links
BirdLife Species Factsheet.
{{Taxonbar, from=Q1004717
fearful owl
The fearful owl (''Asio solomonensis'') is a medium-sized owl endemic to the Solomon Islands archipelago. It is generally seen at elevations of up to 800 m above sea level, where it is found in tall lowland or hill forests.
Description
The fea ...
Birds of Bougainville Island
Birds of the Solomon Islands
Owls of Oceania
fearful owl
The fearful owl (''Asio solomonensis'') is a medium-sized owl endemic to the Solomon Islands archipelago. It is generally seen at elevations of up to 800 m above sea level, where it is found in tall lowland or hill forests.
Description
The fea ...
Taxobox binomials not recognized by IUCN