Dolphin wokhala ndi nkhope yoyera - ndi wa kalasi ya cetaceans ndipo, mwa ma dolphin ena, amadziwika ndi kukula kwake kwakukulu. Tiyenera kudziwa kuti nyama yamtunduwu imatha kuwonedwa kawirikawiri mu dolphinarium. Nthawi zambiri, dolphins imvi amasungidwa pamenepo. Tsoka ilo, zolengedwa zanzeru izi ndi zokongola zimaphatikizidwa mu Red Book, komabe, pankhaniyi, sikuti imalumikizidwa kwenikweni ndi usodzi. Zifukwa zakuchepa kwa oimira ma dolphin okhala ndi milomo yoyera sizinakhazikitsidwe; pali mitundu ingapo ya izi, ndipo aliyense ali ndi ufulu kukhalapo.
Moyo
Moyo ndi machitidwe a dolphin okhala ndi nkhope zoyera ndizosangalatsa. Mutha kuyankhula za izi kwanthawi yayitali, koma izi ndizofunikira kwambiri:
- Ma dolphin amtunduwu amakhala ndi masewera - amakonda kuchita zanzeru zosiyanasiyana m'madzi, kulumikizana bwino ndi anthu ndipo samakonda zosangalatsa zosangalatsa;
- pansi pamadzi a dolphin oyang'ana oyera amapezanso zochitika zosangalatsa - amangothamangitsa ndere, zomwe zimawoneka ngati zoseketsa kumbali;
- imapanga mawu omwe, akasinthidwa kukhala zithunzi, amakhala ndi mawonekedwe a duwa. Tiyenera kudziwa kuti palibe nyama ina yomwe ili ndi mawonekedwe otere;
- asayansi apeza kuti ultrasound yotulutsidwa ndi nyama imathandizira thanzi la munthu. Ndicho chifukwa chake mankhwala a dolphin amagwiritsidwa ntchito pochizira anthu akuluakulu komanso ana.
Palinso chinthu chomvetsa chisoni - mpaka pano, ofufuza sanazindikire chifukwa chake nthawi zina ma dolphin amaso oyera amaponyedwa kumtunda, komwe kumabweretsa imfa yawo. Mwa njira, oimira imvi amtundu uwu wa nyama ali ndi mawonekedwe omwewo osasangalatsa.
Chikhalidwe
Ngati tizingolankhula za gawo la Russia, ndiye kuti dolphin okhala ndi nkhope zoyera amakhala ku Baltic kapena Barents Sea. Mwambiri, malo achilengedwe a nyama izi ndi gawo lakumpoto kwa Atlantic. Koma za kusamuka kwa mitundu iyi ya dolphin, sizikudziwika bwino.
Payekha, ngati tizingolankhula za malo okhala achilengedwe, zokongola za mawere oyera sizimakonda kukhala. Monga lamulo, amasonkhanitsa gulu la anthu 6-8. Ndizodabwitsa kuti nthawi zina ma dolphin amakhala awiri okha. Sizachilendo kuti dolphin azikhala ndi mkazi m'modzi moyo wake wonse.
Tiyenera kukumbukira kuti nthawi zambiri, koma nthawi zina amasonkhana m'magulu a dolphin 1000-1500. Monga lamulo, zoterezi zimapezeka m'malo omwe muli chakudya chochuluka. Koma, m'malo amenewo pakakhala chakudya chochepa kwambiri, amagawika m'magulu ang'onoang'ono.
Amadya chiyani
Pazakudya zabwino, mitundu iyi ya dolphin imakonda kuwona ma crustaceans, molluscs ndi nsomba pamenyu yawo. Zakudya zokonda kwambiri ndi cod, hering'i, navaga, capelin komanso zoyera. Ngakhale anali wokonda kucheza komanso kusewera, ngati pangozi, dolphin imatha kudzitchinjiriza - chifukwa cha ichi, chikhalidwe chake chapatsa mano olimba.
Kwa anthu, nyama zamtunduwu sizowopsa konse. Pakhala pali milandu pomwe dolphin wamaso oyera adavulaza munthu, koma zidangochitika mwangozi - sizimavulaza mwadala.
Mwinanso, dolphin okhala ndi nkhope zoyera, komabe, amtundu wa imvi, ndi imodzi mwazinyama zanzeru kwambiri komanso zokoma mtima zomwe zimakumana ndi anthu mosangalala. Amadzipereka kuti aphunzire, amasangalala kusewera ndi ana, ndipo amachita zinthu ngati munthu. Tenga Mwachitsanzo, njira yamoyo - mgwirizano wamagulu munyama izi si zachilendo. Ichi ndichifukwa chake zomvetsa chisoni kwambiri ndikuti mtundu wa nyama zam'madzi ukusowa, ngakhale uli m'Buku Lofiira, umatetezedwa mosamala. Zimakhala zovuta kuwawona m'ma dolphinariums, chifukwa, chifukwa cha kuchuluka kwawo, samasungidwa kawirikawiri.
