The Madagascar owl (''Asio madagascariensis''), also known as the Madagascan owl or Madagascar long-eared owl,
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
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to the island of
Madagascar
Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...
.
[ It is sometimes considered to be ]conspecific
Biological specificity is the tendency of a characteristic such as a behavior or a biochemical variation to occur in a particular species.
Biochemist Linus Pauling stated that "Biological specificity is the set of characteristics of living organ ...
with the long-eared owl
The long-eared owl (''Asio otus''), also known as the northern long-eared owlOlsen, P.D. & Marks, J.S. (2019). ''Northern Long-eared Owl (Asio otus)''. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook o ...
(''Asio otus'').
Description
The Madagascar owl is similar in appearance to the Holarctic
The Holarctic realm is a biogeographic realm that comprises the majority of habitats found throughout the continents in the Northern Hemisphere. It corresponds to the floristic Boreal Kingdom. It includes both the Nearctic zoogeographical region ...
long-eared owl in that it sits tall and at rest shows prominent ear tufts. The plumage is mainly brown with darker streaks and bars. It has distinctive bright orange eyes. The adults are brown above, and mottled with buff, especially across the mantle. The face is plain dark buff, with darker brown feathers around the eyes, on the edge of the facial disc, and on the ear tufts. The underparts are light brown with darker brown streaks which fade away towards the vent. The juvenile is covered in white down contrasting with a black facial disk and dark brown wings. It ranges from in length, making it the largest of the country's owls; females are larger than males.
Its call is usually a series of barks, varying in pitch and volume, but sometimes it will utter a series of more hoot-like notes, described by some as ''ulooh''.[
]
Distribution and habitat
The Madagascar owl is endemic to Madagascar, where it is widespread in the west and centre of the island. It is generally found at elevations ranging from sea level to ,[ though it occasionally ranges as high as .] It inhabits a variety of woodland habitats, mainly in the drier western forests, although it appears quite adaptable, and also occurs in degraded habitats, even on the central plateau where the forest cover has been fragmented.[
]
Behaviour
Like most owls, the Madagascar owl is nocturnal
Nocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnal meaning the opposite.
Nocturnal creatures generally have highly developed sens ...
, roost
Roost may refer to:
Animal resting
* Roosting, resting behavior of birds
* Communal roosting, a behavior of some birds and other animals
* Monarch butterfly roosts, communal resting sites in monarch butterfly migration
* Bat roost, a list of pla ...
ing by day in dense foliage. It feeds mainly on small mammals, hunting either in the forest or in open areas nearby.[ Pellets collected from a roost site in southeastern Madagascar were examined and contained the remains of insects, ]frog
A frog is any member of a diverse and largely Carnivore, carnivorous group of short-bodied, tailless amphibians composing the order (biology), order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-f ...
s (''Boophis
''Boophis'' is the only genus in the mantellid frog subfamily Boophinae. They are commonly known as bright-eyed or skeleton frogs. They show typical 'tree frog' traits, and are a good example of convergent evolution with morphologically simil ...
''), gecko
Geckos are small, mostly carnivorous lizards that have a wide distribution, found on every continent except Antarctica. Belonging to the infraorder Gekkota, geckos are found in warm climates throughout the world. They range from .
Geckos ar ...
es (''Uroplatus
''Uroplatus'' is a genus of gecko
Geckos are small, mostly carnivorous lizards that have a wide distribution, found on every continent except Antarctica. Belonging to the infraorder Gekkota, geckos are found in warm climates throughout t ...
''), birds (broad-billed roller
The broad-billed roller (''Eurystomus glaucurus'') is a member of the roller family of birds which breeds across tropical Africa and Madagascar in all but the driest regions. It is a wet season breeder, which migrates from the northern and south ...
and Malagasy bulbul
The Malagasy bulbul (''Hypsipetes madagascariensis'') is a species of songbird in the bulbul family, Pycnonotidae. It is found on Madagascar and other regional islands in the south-western Indian Ocean.
Taxonomy and systematics
The Malagasy b ...
), rodents
Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are nat ...
, including tufted-tailed rats (''Eliurus
''Eliurus'' is a genus of rodent in the family Nesomyidae.
It contains the following species:
* Tsingy tufted-tailed rat (''Eliurus antsingy'')
* Ankarana Special Reserve tufted-tailed rat (''Eliurus carletoni'')
* Ellerman's tufted-tailed rat ...
spp.'') and black rat
The black rat (''Rattus rattus''), also known as the roof rat, ship rat, or house rat, is a common long-tailed rodent of the stereotypical rat genus ''Rattus'', in the subfamily Murinae. It likely originated in the Indian subcontinent, but is n ...
(''Rattus rattus''), Commerson's leaf-nosed bats (''Hipposideros commersoni
Commerson's roundleaf bat (''Macronycteris commersoni''), also known as Commerson's leaf-nosed bat, is a species of bat endemic to Madagascar. It is named after French naturalist Philibert Commerson (1727-1773). Bat populations of Africa or São ...
''), and mouse lemur
The mouse lemurs are nocturnal lemurs of the genus ''Microcebus''. Like all lemurs, mouse lemurs are native to Madagascar.
Mouse lemurs have a combined head, body and tail length of less than , making them the smallest primates (the smallest spe ...
s (''Microcebus
The mouse lemurs are nocturnal lemurs of the genus ''Microcebus''. Like all lemurs, mouse lemurs are native to Madagascar.
Mouse lemurs have a combined head, body and tail length of less than , making them the smallest primates (the smallest spe ...
spp.'').
Little is known about its breeding biology.[ It is thought to lay its eggs in stick nests created by other animals, like the closely related long-eared owl.][
]
References
{{Taxonbar, from=Q241078
Madagascar owl
The Madagascar owl (''Asio madagascariensis''), also known as the Madagascan owl or Madagascar long-eared owl, is a medium-sized owl endemic to the island of Madagascar. It is sometimes considered to be conspecific with the long-eared owl (''Asio ...
Endemic birds of Madagascar
Owls of Madagascar
Madagascar owl
The Madagascar owl (''Asio madagascariensis''), also known as the Madagascan owl or Madagascar long-eared owl, is a medium-sized owl endemic to the island of Madagascar. It is sometimes considered to be conspecific with the long-eared owl (''Asio ...
Madagascar owl
The Madagascar owl (''Asio madagascariensis''), also known as the Madagascan owl or Madagascar long-eared owl, is a medium-sized owl endemic to the island of Madagascar. It is sometimes considered to be conspecific with the long-eared owl (''Asio ...