The North African elephant shrew (''Petrosaltator rozeti'') or North African sengi is a species of
elephant shrew
Elephant shrews, also called jumping shrews or sengis, are small insectivorous mammals native to Africa, belonging to the family Macroscelididae, in the order Macroscelidea. Their traditional common English name "elephant shrew" comes from a pe ...
in the family Macroscelididae. It is found in
Algeria
)
, image_map = Algeria (centered orthographic projection).svg
, map_caption =
, image_map2 =
, capital = Algiers
, coordinates =
, largest_city = capital
, religi ...
,
Libya
Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to the east, Su ...
,
Morocco
Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria ...
, and
Tunisia
)
, image_map = Tunisia location (orthographic projection).svg
, map_caption = Location of Tunisia in northern Africa
, image_map2 =
, capital = Tunis
, largest_city = capital
, ...
, and (since the extinction of the
North African elephant
The North African elephant (''Loxodonta africana pharaohensis'') is an extinct possible subspecies of the African bush elephant (''Loxodonta africana''), or possibly a separate elephant species, that existed in North Africa, north of the Sahara ...
) is the only
extant
Extant is the opposite of the word extinct. It may refer to:
* Extant hereditary titles
* Extant literature, surviving literature, such as ''Beowulf'', the oldest extant manuscript written in English
* Extant taxon, a taxon which is not extinct, ...
afrotheria
Afrotheria ( from Latin ''Afro-'' "of Africa" + ''theria'' "wild beast") is a clade of mammals, the living members of which belong to groups that are either currently living in Africa or of African origin: golden moles, elephant shrews (also ...
n within its range. The species was formerly classified in the genus ''
Elephantulus
''Elephantulus'' is a genus of elephant shrew in the family Macroscelididae.
It contains the following species:
* Short-snouted elephant shrew (''E. brachyrhynchus'')
* Cape elephant shrew (''E. edwardii'')
* Dusky-footed elephant shrew
Th ...
'', but molecular evidence indicates that it is more closely related to ''
Petrodromus'' than to other members of ''Elephantulus''. It was moved to a new genus, ''Petrosaltator'', in 2016.
The split with ''Petrodromus'' likely occurred during the
Miocene
The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recent" ...
period.
Description
The North African elephant-shrew is a little rodent-like in appearance, having a small body, large ears, and a long tail. It weighs around , which is very light compared to other
sengi
Elephant shrews, also called jumping shrews or sengis, are small insectivorous mammals native to Africa, belonging to the family Macroscelididae, in the order Macroscelidea. Their traditional common English name "elephant shrew" comes from a per ...
s). The total length is from , of which the tail is . The fur on the upper body varies from yellowish brown to pale sandy-pink, and the fur on the underside is white. It has a long flexible snout, typical of the
elephant-shrew
Elephant shrews, also called jumping shrews or sengis, are small insectivorous mammals native to Africa, belonging to the family Macroscelididae, in the order Macroscelidea. Their traditional common English name "elephant shrew" comes from a per ...
s, which can be moved in a circular fashion and the nostrils are located towards the tip of the snout, with long sensory whiskers growing at the base of the snout. The rear legs are longer than the forelimbs, an adaptation for running and jumping. North African elephant-shrews use well-developed glands, placed under the tail, for marking territory.
The adult specimen has 42 teeth, with a
dental formula
Dentition pertains to the development of teeth and their arrangement in the mouth. In particular, it is the characteristic arrangement, kind, and number of teeth in a given species at a given age. That is, the number, type, and morpho-physiolog ...
of .
Distribution
It is present in northwestern Africa from the northern
Western Sahara
Western Sahara ( '; ; ) is a disputed territory on the northwest coast and in the Maghreb region of North and West Africa. About 20% of the territory is controlled by the self-proclaimed Sahrawi Arab Democratic Republic (SADR), while ...
to western
Libya
Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to the east, Su ...
.
[
]
Habitat
Its natural habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...
s are Mediterranean-type shrubby vegetation
Mediterranean forests, woodlands, and scrub is a biome defined by the World Wide Fund for Nature. The biome is generally characterized by dry summers and rainy winters, although in some areas rainfall may be uniform. Summers are typically hot in ...
and deserts.[
]
Habits
The North African sengi typically gives birth to litters of 1 to 4 young twice a year.
Notes
References
{{Taxonbar, from=Q1770513
Elephant shrews
Mammals of North Africa
Mammals described in 1833
Taxa named by Georges Louis Duvernoy
Taxonomy articles created by Polbot
Taxobox binomials not recognized by IUCN