Hildegarde's shrew (''Crocidura hildegardeae'') is a recently discovered shrew, described in 1904. Considered by some authorities to be a

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

of the Peters's musk shrew, it is now recognised as a separate species, with a

diploid Ploidy () is the number of complete sets of chromosomes in a cell, and hence the number of possible alleles for autosomal and pseudoautosomal genes. Here ''sets of chromosomes'' refers to the number of maternal and paternal chromosome copies, ...

chromosome A chromosome is a package of DNA containing part or all of the genetic material of an organism. In most chromosomes, the very long thin DNA fibers are coated with nucleosome-forming packaging proteins; in eukaryotic cells, the most import ...

number of 2n = 52. This is one of three species of small mammals named by the British zoologist

Oldfield Thomas Michael Rogers Oldfield Thomas (21 February 1858 – 16 June 1929) was a British zoologist. Career Thomas worked at the Natural History Museum, London, Natural History Museum on mammals, describing about 2,000 new species and subspecies for ...

in honour of

anthropologist An anthropologist is a scientist engaged in the practice of anthropology. Anthropologists study aspects of humans within past and present societies. Social anthropology, cultural anthropology and philosophical anthropology study the norms, values ...

Hildegarde Beatrice Hinde.

Description

Hildegarde's shrew is a moderate-sized species with a head-and-body length of about , males being slightly larger than females. The hairs on the back, which are longer on the rump than elsewhere, are mid-brown with darker tips, giving an overall pelage the colour of milk chocolate. The underparts are pale brown, and the limbs are dark brown, with the exception of the inner side of the hind limbs which are yellowish-brown. The tail is long (about 70% of the head-and-body length) and is partially furred, being black above and brown below.

Distribution and habitat

This Central and East African species is known from

Cameroon Cameroon, officially the Republic of Cameroon, is a country in Central Africa. It shares boundaries with Nigeria to the west and north, Chad to the northeast, the Central African Republic to the east, and Equatorial Guinea, Gabon, and the R ...

and north of the

River Congo The Congo River, formerly also known as the Zaire River, is the second-longest river in Africa, shorter only than the Nile, as well as the third-largest river in the world by discharge volume, following the Amazon and Ganges rivers. It is the w ...

in the

Republic of the Congo The Republic of the Congo, also known as Congo-Brazzaville, the Congo Republic or simply the Congo (the last ambiguously also referring to the neighbouring Democratic Republic of the Congo), is a country located on the western coast of Central ...

and the

Democratic Republic of the Congo The Democratic Republic of the Congo (DRC), also known as the DR Congo, Congo-Kinshasa, or simply the Congo (the last ambiguously also referring to the neighbouring Republic of the Congo), is a country in Central Africa. By land area, it is t ...

, eastwards to Kenya and Tanzania. It is plentiful in

dry forest The tropical and subtropical dry broadleaf forest is a habitat type defined by the World Wide Fund for Nature and is located at tropical and subtropical latitudes. Though these forests occur in climates that are warm year-round, and may receive ...

s in upland and montane areas, being the most common shrew species at in Tanzania, but is less frequent in moist forests. In Rwanda, its habitats include moist

savanna A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) biome and ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach th ...

and cultivated areas. It occurs in both

primary forest An old-growth forest or primary forest is a forest that has developed over a long period of time without Disturbance (ecology), disturbance. Due to this, old-growth forests exhibit unique ecological features. The Food and Agriculture Organizati ...

and secondary growth. The

International Union for Conservation of Nature The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the stat ...

has assessed its

conservation status The conservation status of a group of organisms (for instance, a species) indicates whether the group still exists and how likely the group is to become extinct in the near future. Many factors are taken into account when assessing conservation ...

as being of "

least concern A least-concern species is a species that has been evaluated and categorized by the International Union for Conservation of Nature (IUCN) as not being a focus of wildlife conservation because the specific species is still plentiful in the wil ...

Ecology

This shrew is

nocturnal Nocturnality is a ethology, behavior in some non-human animals characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnality, diurnal meaning the opposite. Nocturnal creatur ...

. Breeding takes place in July and August, with litters typically numbering two young. The

predators Predation is a biological interaction in which one organism, the predator, kills and eats another organism, its prey. It is one of a family of common feeding behaviours that includes parasitism and micropredation (which usually do not kill ...

of this shrew include small carnivorous mammals and the viper '' Atheris nitschei''.

References

{{Taxonbar, from=Q1768230 Hildegarde's shrew Fauna of Central Africa Mammals of Rwanda Mammals of Burundi Mammals of Kenya Mammals of Uganda Mammals of Tanzania Hildegarde's shrew Taxa named by Oldfield Thomas Taxonomy articles created by Polbot