The Cyrenaica shrew or Alexander's shrew (Crocidura aleksandrisi) is a species of white-toothed shrew in the family Soricidae which is endemic to Libya.
The Cyrenaica shrew is a small shrew which is very similar to the widespread lesser white-toothed shrew of Europe and Asia, both species have teeth which lack the red colouration on the crowns of the teeth. They are small mammals with paler fur underneath and a pointed muzzle and a long tail.[3]
The Cyrenaica shrew is endemic to Libya, specifically to the province of Cyrenaica where it is found from sea level up to 200 to 300 m. Specimens were collected from the 1960s through the 1990s, and there were no signs that the population had declined or that there were any major threats to the species in its restricted range and is therefore assessed as Least Concern.[1]
The Cyrenaica shrew is found in Mediterranean vegetation such as scrub and also in littoral and rocky areas. It is thought to occur in degraded habitats, and to be largely terrestrial and nocturnal.[1] It is very closely related to the lesser white-toothed shrew and is likely to share that species rather sociable habits and to "caravan", i.e. the young follow their mother in a line holding their predecessor's tail in their mouth so that the family stays together while foraging or seeking shelter.[4] It seems to be relatively common and its skulls are frequently found in the pellets of owls collected from within their range.[1] The group of shrews this species belongs to are also known as "musk shrews" because of the musky scented secretions they produce and use to scent mark their territories by dragging their bellies along the ground.[4]
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| Diplomesodon | |
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| Feroculus | |
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| Palawanosorex |
- Palawan moss shrew (P. muscorum)
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Paracrocidura (Large-headed shrews) |
- Grauer's large-headed shrew (P. graueri)
- Greater large-headed shrew (P. maxima)
- Lesser large-headed shrew (P. schoutedeni)
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| Ruwenzorisorex | |
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| Scutisorex | |
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| Solisorex | |
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| Suncus |
- Taita shrew (S. aequatorius)
- Black shrew (S. ater)
- Day's shrew (S. dayi)
- Etruscan shrew (S. etruscus)
- Sri Lankan shrew (S. fellowesgordoni)
- Bornean pygmy shrew (S. hosei)
- Least dwarf shrew (S. infinitesimus)
- Greater dwarf shrew (S. lixus)
- Madagascan pygmy shrew (S. madagascariensis)
- Malayan pygmy shrew (S. malayanus)
- Climbing shrew (S. megalura)
- Flores shrew (S. mertensi)
- Asian highland shrew (S. montanus)
- Asian house shrew (S. murinus)
- Remy's pygmy shrew (S. remyi)
- Anderson's shrew (S. stoliczkanus)
- Lesser dwarf shrew (S. varilla)
- Jungle shrew (S. zeylanicus)
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Sylvisorex (Forest shrews) |
- Dudu Akaibe's pygmy shrew (S. akaibei)
- Cameroonian forest shrew (S. cameruniensis)
- Corbet's forest shrew (S. corbeti)
- Grant's forest shrew (S. granti)
- Howell's forest shrew (S. howelli)
- Bioko forest shrew (S. isabellae)
- Johnston's forest shrew (S. johnstoni)
- Kongana shrew (S. konganensis)
- Moon forest shrew (S. lunaris)
- Mount Cameroon forest shrew (S. morio)
- Greater forest shrew (S. ollula)
- Lesser forest shrew (S. oriundus)
- Rain forest shrew (S. pluvialis)
- Volcano shrew (S. vulcanorum)
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| Anourosoricini | |
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| Blarinellini | Blarinella (some Asiatic short-tailed shrews) |
- Asiatic short-tailed shrew (B. quadraticauda)
- Burmese short-tailed shrew (B. wardi)
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Parablarinella (some Asiatic short-tailed shrews) |
- Indochinese short-tailed shrew (P. griselda)
- Anhui short-tailed shrew (P. latimaxillata)
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| Blarinini | Blarina (American short-tailed shrews) | |
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Cryptotis (Small-eared shrews) |
- C. mexicana group
- Mexican small-eared shrew (C. mexicana)
- Nelson's small-eared shrew (C. nelsoni)
- Grizzled Mexican small-eared shrew (C. obscura)
- Phillips' small-eared shrew (C. phillipsii)
- C. goldmani set
- Central Mexican broad-clawed shrew (C. alticola)
- Goldman's broad-clawed shrew (C. goldmani)
- Goodwin's broad-clawed shrew (C. goodwini)
- Guatemalan broad-clawed shrew (C. griseoventris)
- C. lacertosus
- C. mam
- Oaxacan broad-clawed shrew (C. peregrina)
- C. nigrescens group
- Eastern Cordillera small-footed shrew (C. brachyonyx)
- Colombian small-eared shrew (C. colombiana)
- Honduran small-eared shrew (C. hondurensis)
- Yucatan small-eared shrew (C. mayensis)
- Darién small-eared shrew (C. mera)
- Merriam's small-eared shrew (C. merriami)
- Blackish small-eared shrew (C. nigrescens)
- C. thomasi group
- Southern Colombian small-eared shrew (C. andinus)
- Ecuadorian small-eared shrew (C. equatoris)
- Rainer's small-eared shrew (C. huttereri)
- Medellín small-eared shrew (C. medellinia)
- Merida small-eared shrew (C. meridensis)
- Wandering small-eared shrew (C. montivaga)
- Peruvian small-eared shrew (C. peruviensis)
- Scaly-footed small-eared shrew (C. squaipes)
- Tamá small-eared shrew (C. tamensis)
- Thomas's small-eared shrew (C. thomasi)
- C. parva group
- Central American least shrew (C. orophila)
- North American least shrew (C. parva)
- Tropical small-eared shrew (C. tropicalis)
- Ungrouped / relict
- Enders's small-eared shrew (C. endersi)
- Talamancan small-eared shrew (C. gracilis)
- Big Mexican small-eared shrew (C. magna)
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| Nectogalini | Chimarrogale (Asiatic water shrews) | |
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| Chodsigoa |
- Van Sung's shrew (C. caovansunga)
- De Winton's shrew (C. hypsibia)
- Lamulate shrew (C. lamula)
- Lowe's shrew (C. parca)
- Pygmy brown-toothed shrew (C. parva)
- Salenski's shrew (C. salenskii)
- Smith's shrew (C. smithii)
- Lesser Taiwanese shrew (C. sodalis)
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| Episoriculus | |
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| Nectogale | |
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| Neomys | |
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| Soriculus | |
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| Notiosoricini | |
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Congosorex (Congo shrews) |
- Phillips's shrew (C. phillipsorum)
- Greater Congo shrew (C. polli)
- Lesser Congo shrew (C. verheyeni)
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Myosorex (Mouse shrews) |
- Babault's mouse shrew (M. babaulti)
- Montane mouse shrew (M. blarina)
- Bururi forest shrew (M. bururiensis)
- Dark-footed mouse shrew (M. cafer)
- Eisentraut's mouse shrew (M. eisentrauti)
- Geata mouse shrew (M. geata)
- Nyika mouse shrew (M. gnoskei)
- Kihaule's mouse shrew (M. kihaulei)
- Long-tailed forest shrew (M. longicaudatus)
- Oku mouse shrew (M. okuensis)
- Rumpi mouse shrew (M. rumpii)
- Schaller's mouse shrew (M. schalleri)
- Sclater's mouse shrew (M. sclateri)
- Thin mouse shrew (M. tenuis)
- Forest shrew (M. varius)
- Kilimanjaro mouse shrew (M. zinki)
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Surdisorex (African mole shrews) |
- Aberdare mole shrew (S. norae)
- Mount Kenya mole shrew (S. polulus)
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Taxon identifiers |
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| Crocidura aleksandrisi | |
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