Isiphi isilwane esinekhala elincane kunazo zonke emhlabeni?

Isingeniso

Izilwane ziyikhaya lezinhlobonhlobo zezinhlobo ezinezici nezici ezihlukile. Esinye sezici ezivelele zezilwane ikhala lazo, elidlala indima ebalulekile ekusindeni kwazo. Nakuba ezinye izilwane zinamakhala amade futhi avelele, ezinye zinamancane. Kulesi sihloko, sizohlola ukuthi yisiphi isilwane esinekhala elincane kakhulu emhlabeni nokuthi silisebenzisa kanjani ukuze siphile.

Ukubaluleka kwekhala ezilwaneni

Ikhala liyisitho sezinzwa esibalulekile sezilwane. Kuyabasiza ukuthi babone iphunga, okubalulekile ekutholeni ukudla, ekugwemeni izilwane ezidla ezinye, nasekuboneni abangaba abangane bomshado. Ikhala liphinde libe nendima ekuphefumuleni, livumela izilwane ukuba ziphefumule umoya-mpilo futhi zikhiphe isikhutha. Kwezinye izinhlobo, ikhala libuye lisetshenziswe ekukhulumisaneni, njengasezindlovu kanye nemiboko yazo efana necilongo.

Ikhala elincane kunawo wonke emhlabeni

Isilwane esinekhala elincane kunazo zonke emhlabeni i-Etruscan shrew (Suncus etruscus). Lesi silwane esincelisayo esincane sitholakala ezingxenyeni ezithile zeYurophu, e-Asia, naseNyakatho Afrika futhi saziwa ngobuncane baso nekhala laso.

Incazelo yekhala elincane kunawo wonke emhlabeni

Ikhala le-Etruscan shrew lincane kangangokuthi alibonakali. Ikala amamilimitha ambalwa kuphela ubude futhi icishe ilingane nekhanda likaphini. Naphezu kobukhulu bayo obuncane, ikhala le-shrew lisebenza ngendlela emangalisayo futhi linendima ebalulekile ekusindeni kwalo.

Izici zesilwane

I-Etruscan shrew iyisilwane esincelisayo esincane kunazo zonke emhlabeni, sinesisindo esingamagremu angu-1.8 kuphela ngokwesilinganiso. Inejazi elinsundu ngokumpunga kanye nekhala elicijile, elingabonakali ngenxa yobuncane bayo. I-shrew inezinga eliphezulu le-metabolic futhi kufanele idle njalo ngemva kwamahora ambalwa ukuze igcine amazinga ayo amandla.

Indawo yokuhlala yesilwane

I-Etruscan shrew itholakala ezindaweni ezihlukahlukene, kuhlanganise namahlathi, izindawo ezinotshani namaxhaphozi. Ithanda izindawo ezinohlaza oluminyene kanye nenala yezinambuzane edla kuzo.

Ukudla kwesilwane

I-Etruscan shrew iyisilokazana futhi idla izinhlobonhlobo zezinambuzane ezincane, ezihlanganisa amabhungane, izintuthwane, nezicabucabu. Izinga layo eliphezulu le-metabolic lisho ukuthi kufanele lidle inani elikhulu lokudla uma liqhathaniswa nosayizi walo ukuze liphile.

Izici eziyingqayizivele zesilwane

Ngaphezu kobukhulu bayo nekhala elincane, i-Etruscan shrew yaziwa ngekhono layo lokuhamba ngokushesha nokuzulazula ebumnyameni obuphelele. Inamehlo amakhulu uma iqhathaniswa nobukhulu bayo, okwenza ukuthi ikwazi ukubona kahle ezimeni eziphansi.

Indlela isilwane esisebenzisa ngayo ikhala laso

Ikhala elincane le-Etruscan shrew lisebenza kahle kakhulu ekutholeni iphunga. Isebenzisa leli khono ukuthola inyamazane, igweme izilwane ezidla ezinye, futhi ikhombe abangaba abangane bomshado. Inzwa yokuhogela ye-shrew ibukhali kangangokuthi ikwazi ukuzwa iphunga lesilwane esizingelayo ibanga elingamamitha angu-15.

Ukuqhathanisa namakhala ezinye izilwane

Uma kuqhathaniswa nezinye izilwane, ikhala le-Etruscan shrew lincane ngendlela emangalisayo. Isibonelo, umboko wendlovu ungakhula ube amamitha angu-2 ubude, kanti ikhala lenja lingaba amasentimitha ambalwa ubude. Naphezu kobukhulu bayo obuncane, ikhala le-shrew lisebenza ngendlela emangalisayo futhi linendima ebalulekile ekusindeni kwalo.

Isiphetho

I-Etruscan shrew iyisilwane esithakazelisayo esinezici eziyingqayizivele, kuhlanganise nekhala elincane kakhulu emhlabeni. Naphezu kobukhulu bayo obuncane, ikhala le-shrew lisebenza ngendlela emangalisayo futhi linendima ebalulekile ekusindeni kwalo. Ucwaningo olwengeziwe ngalesi silwane esincelisayo esincane singasisiza siqonde kangcono indima yekhala ezilwaneni kanye nokubaluleka kwalo ekuphileni kwazo.

Amathuba ocwaningo olwengeziwe

Ucwaningo lwesikhathi esizayo nge-Etruscan shrew lungahlola izakhi zofuzo ezingemuva kwekhala layo elincane nokuthi zavela kanjani ngokuhamba kwesikhathi. Ososayensi bangase futhi bahlole inzwa yokuhogela ye-shrew ngokuningiliziwe, okuhlanganisa ukuthi iwathola kanjani amakha ahlukene nokuthi leli khono liyisiza kanjani ukuba iphile endle. Ukwengeza, abacwaningi bangaphenya ukuziphatha kwe-shrew nokusebenzisana komphakathi ukuze baqonde kangcono indima yayo ku-ecosystem.