Pafupifupi nambala za dolphin zimakhalapo, ndi zina zochititsa chidwi zokhudzana ndi zinyamazi

Kodi mukudziwa omwe ndi a dolphin? Awa si nsomba, monga ambiri amaganizira, izi ndi zinyama. Kuphunzira zinyama zimenezi, asayansi apeza zinthu zambiri zodabwitsa komanso zosangalatsa. Nkhaniyi idzafotokoza za iwo ndikukuuzani zomwe amadya, momwe amalankhulirana ndi ma dolphin angati akukhala.

Tiyeni tidziwe wina ndi mnzake

Dauphins - nyama zamtundu, zomwe zimachokera ku zamoyo za World Ocean - zimakhala za dongosolo la cetaceans. Pafupifupi, asayansi anawerenga mitundu 50 ya nyamazi.

Zomwe zimagawidwa zimaphatikizapo Dziko lonse lapansi, kupatulapo la Arctic ndi subarctic lamba. Kwenikweni, amakhala m'madzi ndi m'nyanja, koma palinso ma dolphins amadzi ozizira - mitundu yosawerengeka ya La Plata, Amazon, mtsinje wa China.

Kuwonjezera pamenepo tidzakhala tikudziŵa bwino kufotokozera, zenizeni za kapangidwe ka nyama yodabwitsa, tikuphunzira momwe angakhalire ndi ma dolphin angati.

Maonekedwe, zizoloŵezi

Thupi la nyama zam'madzi limakhala ndi mawonekedwe, minofu komanso yamaliseche, ndi khungu losalala. Pamutu waung'ono pali dzenje - nyemba. Mphuno imapangidwira, maso ang'onoang'ono amawoneka bwino, mphamvu ya kununkhira sikupezeka, msinkhu wa kuyenda ndi wotsika - 5-12 km / h. Chifukwa cha mano ang'onoang'ono komanso kusowa kwa minofu, samadziwa kutchera ndi kumeza nsomba zazing'ono - sardines, anchovies - kwathunthu.

Anthu ambiri okhala m'nyanja yakuya amaoneka ngati abwino kwambiri kumalo osungirako zovuta, koma izi sizikusokoneza ma dolphin omwe amapezeka m'chilengedwe. Zinyama izi, zedi, zili ndi adani - sharks, skates, koma zimadzipulumutsa. Ndi omwazikana komanso amphamvu kwambiri amamenya mphuno zawo zamphamvu za mdani, ndipo amadziwika kuti ali m'malo ofooka - mitsempha kapena m'mimba. Popeza dolphins ndi nyama zamtundu uliwonse ndipo nthawi zonse amakhala limodzi kwa anthu 10-15, onse pamodzi ali othandiza kwambiri pomenyana ndi adani. Kuphatikizanso apo, dolphin amapatsidwa chilengedwe mwachibadwa chokhala ndi echolocation. Pothandizidwa ndi kuwomba kwa mawu, iwo amadziwa molondola kapangidwe ka chinthucho, miyeso yake, zinthu, kutalika kwake. Choncho, pofufuza funso la kuchuluka kwa ma dolphin, asayansi apeza kuti nthawi yomwe munthu amakhala ndi moyo pa chifuniro chake ndi zaka 50 mpaka 90.

Chomwe chimakhudza chiyembekezo cha moyo

Zochitika zinawathandiza kudziwa zomwe zikuluzikulu zimakhudza moyo wa dolphin:

1. Mphamvu. M'chilengedwe, nyamazi zimadya makamaka nsomba, squid, mollusks ndi crustaceans. Ngakhale kuti asayansi amadziwa kale kuti amadya dolphin, koma ali muukapolo, ngakhale ndi zakudya zovuta, amadwala kwambiri, zomwe zimakhala chifukwa cha kuchepa kwa malo okhala.
2. Chikhalidwe cha anthu. Zimadziwika kuti m'chilengedwe ma dolphin amakhala ndi banja limodzi, ndipo atachotsedwa kunja kwa achibale, amakhala achisoni kwambiri.
3. Habitat. Zinyamazi zimakonda malo, ndipo malo obisika atakhala mu ukapolo amalepheretsa moyo wawo.
4. Thanzi. Asayansi apeza kuti amadwala matenda a "umunthu" - chibayo, mtima ndi matenda opatsirana.

Monga chomaliza, m'chilengedwe zinyama izi zimakhala motalika kwambiri kuposa m'madzi a m'madzi kapena m'madzi oyambira. Ndi angati a dolphin omwe amakhala mu ukapolo? Osapitirira zaka 10-15. Choncho, mdani wawo wamkulu ndi munthu.

Ndi zaka zingati zomwe zimakhalapo dolphins, makamaka zimadalira mitundu yawo. Nkhunda zowonongeka kwambiri zowonongeka, nyongolotsi zazing'ono ndi zidole zam'madzi - pafupifupi zaka 40-60. Mitundu ya Irrawaddy imakhala zaka 30. Zing'onozing'ono zimakhala zimphona za mtsinje - zaka 15-20.

5 zochititsa chidwi

1. Iwo akhoza kuyankhula. Izi zatsimikiziridwa kale. Zilombozi zimasiyanitsa pakati pa madzi pansi ndi anthu onse amatchedwa m'njira yawoyawo.
2. Kumverera kunali kupezeka kwa mfundo yakuti pakubadwa dolphin iliyonse mu paketi imapatsidwa dzina.
3. Dauphins ndi munthu ndiwo nyama zokhazokha zomwe zimachita zogonana osati kubereka, komanso zosangalatsa.
4. Dauphins amazindikira kuwala kwawo pagalasi.
5. M'chikhalidwe cha delphinic, pali maukwati.