Otter: chitarisiko, tsika, dzinogarisana

Izvi mhuka musteline zvakasiyana kubva kuhama dzavo kuti zoologists vakagadzirira kuziva chikwata chacho nomumwe. Otter, photos riri nyore chaizvo kuita nekuda kwake hanya, kurarama pamahombekombe Freshwater. It anoda nzizi gomo, kana avo vane kutsanya mvura inoyerera hakuiti -oma muchando, uyewo ane matombo kana pebbly pasi. Saka, muna mipata mikuru waterways anogona kuwanikwa kazhinji. Zvinozivikanwa kuti nokuda pangozi pane chinokosha mazita uye zvinomera - Red Book. River otter, Zvinosuruvarisa panewo zvaisanganisira, uye kwete nokuti akanga waitirwa unotungidzwa kundovhima. Chokwadi kuti ichi chikara duku kunogona kurarama chete mvura kwazvo yakachena, uye mumaindasitiri kukura muWestern Europe mukupera XIX remakore, yakasviba zvakatipoteredza. Otter yakanyangarika zvachose kubva expanses ose Switzerland, muUK, Spain, Sweden uye Netherlands (zvino pane kuedza kusumwa senguva dzose mhuka nzvimbo). Uye mune mamwe mativi Old World yevagari mhuka kunoderedza yekudyidzana. Subspecies chezvisikwa izvi zvinowanikwa North uye Latin America, muna Asia (kuna muArabhiya Peninsula uye Southern China) uye North Africa. Uye, chokwadi, otter Iye haagari kweArctic achinaya mvura. Pashure pezvose, kunyange munguva yechando inoda mvura rakashama. Remasangano siyana - South American hofori otter, izvo zvinogona kusvika huremu 25 makirogiramu. Zviya, vaRefaimu izvi, mukusiyana kuna vazvo vanosarudza kurarama roga, nekukuteyai munzvimbo duku.

Otter - mumwe kushambira kukuru. Zvose wake nomuviri dzakashandisa refu vari mumvura. Streamlined muviri,, makumbo refu hadzi kunopfuura mberi, pakati zvigunwe - membrane. Anenge imperceptible lugs anopiwa ane vharafu chaiyo kudzivirira ingress mvura kupinda auditory singi. Sezvo mhuka hauna gobvu rukoko mafuta (uye anoramba kusanduka nokutsanya), tariro yose iri nyaya kupisa Kuchengetedzwa rinovimba pamusoro mbava. Ane gobvu, zvinonyadzisa murindi bvudzi vhudzi uye kusimba Wavy undercoat. Asi Chikurukuru, hazvina zvachose kwete kunyorova! Kana uchityaira mvura otter kubatsira sandara musoro uye refu tsandanyama muswe. Color kubva otter riri shava pamusoro uye dumbu muchiedza rake, anenge silvery.

Eurasian otter - chikara duku. Vanhurume muviri kureba masendimita 90 uye uremu makirogiramu 10, female - zvikuru zvishoma (55 makirogiramu masendimita uye 6). chikuru zvokudya zvavo - hove duku, asi havazvidzi izvi vavhimi mazai uye kako kwerwizi shiri, matatya, caddisflies, mvura voles. musha siyana mumwe munhu rakanyatsojeka diki - 250 M of romumhenderekedzo yegungwa zviuno, izvo iye Anocherekedza pamwe tsvina. Asi vavakidzani otters kurarama murugare, uye munguva yenzara vaungana panzvimbo pane zvokudya. The mhuka anochera wechigarire buri, nomukova rakazaruka pasi mvura. The chaizvo chete inogara - yakaoma, hwoushamwari, mudungwe pamwe chikwindi, uswa uye mashizha. In yechando, mhuka dziri kuchengeta pedyo mvura rakazaruka kana scours.

Hunt otter Iye anoda mangwanani uye manheru. Masikati iye ari basking muzuva, vakahwanda pamusoro nedombo kana kuti hunde muti rawa. Hasha dzake vachifara uye misikanzwa. Otters kazhinji vachitamba pamwe pachavo: kubudisa yelps uye segwenhure, vanoda Vaiisa mumvura pamwe hukawanika zvokunamata. In pakutapwa, vakakurumidza akapingudzwa, vanowana kunze muridzi uye flippers, sezvinoita katsi. Musango kurarama kusvika makore 10. Otter - amai kwazvo hanya. Chairwo Mazana (kazhinji 3 kana 4 mairi Cub) hadzi noushingi kunyange inodzivirira kubva kumunhu. mhuka Young anogara amai gore.