Pangozi mitundu: Chinese mtsinje dolphin (baijiu)

Mu 1918, chinthu chidwi anali wapezeka mu imodzi ya madzi oyera nyanja ya chigawo cha Chinese wa Hunan. The Dongting Nyanja anaona m'madzi nyama kuti wa suborder wa zinsomba imodzi. Iwo dzina lake nyama "Chinese mtsinje dolphin."

ndi amene mtsinje anamgumiwa

Anthu ntchito chakuti anamgumiwa - okhala mchere nyanja ndipo nyanja madzi. Koma pali banja laling'ono lotchedwa Mtsinje anamgumiwa. Today pali 4 mitundu ya nyama cetacean. Atatu a iwo amakhala madzi abwino, ndi wachinayi angakhale mu mitsinje ndi nyanja ndi m'nyanja. Mwatsoka, ili mitundu pangozi. Iwo avutike chifukwa cha moyandikana ndi anthu. Zinatha chifukwa kuipitsa mitsinje ndi kusaka kusalankhula.

Kodi zogwirizana ndi dzina

anthu Local kuitana mtsinje nyama "baijiu". Chinese mtsinje dolphin ali ndi chosiyana kwambiri dorsal chipsyepsye, ofanana ndi bokosi cheke. Izi n'zimene anapereka dzina colloquial a mitundu. Dzina sayansi mitundu - Lipotes vexillifer. Kumafuna mfundo ziwiri. Leipo amatanthauza "aiwala" ndi vexillifer - «atanyamula mbendera". Monga mukuonera ofufuza komanso ntchito Association akunja pamene kutola dzina la mitundu numerically yaing'ono nyama.

Kufotokozera za mitundu

Madzi oyera woimira zinsomba imodzi, ndi Chinese mtsinje dolphin - ndithu nyama zikuluzikulu. Zolemba malire analembedwa zolengedwa zoyamwitsa kutalika kwa thupi anali 2.5 mamita ndi kutalika osachepera wamkulu - .. 1.5 mamita Kunenepa wamkulu nyama zimene osiyanasiyana monga makilogalamu 100 160. Kufotokozera za dolphin si mwatsatanetsatane kwambiri. Amadziwika kuti akazi mitundu lalikulu ndi kupitiliza kukula kwa amuna. Thupi la dolphin yowirira ndi wamfupi koma wojintcha. khosi ndi mafoni ndithu. The zipsepse pectoral ndi maziko lonse, koma m'mphepete ngati kukadulidwapo ndi nkhwangwa. Dorsal chipsyepsye bokosi amakhala kukula, ndi kutsogolo bwino curving ndi kumbuyo m'mbali. Malowa ali pamtunda osati pakati pa nsana, ndi kuyandikira ku gawo mchira.

Ili pa korona nyama blowhole chowulungika. Iwo penapake ankatembenukira lamanzere ku likulu. Chinese mtsinje dolphin zoipa akuona. maso ake sali bwino anayamba ndi m'malo bwino ili. Ali pamwamba pa mutu, omwe amachepetsa kuonera njingayo.

Mbali kutsogolo kwa cranium wa - otchedwa rostrum, ndi yopapatiza ndi elongated. Izo pang'ono akunga m'mwamba, ndipo akufanana ndi mlomo wa Kireni a. Nsagwada chapamwamba ndi mano zosakwana pansi. Max pamwamba - 68 mano, ndipo pansi - 72 mano.

N'zosatheka kulemba kufotokoza dolphin, osati kutchula mtundu wa nyama. Baijiu kuwala buluu kapena bluish-imvi kulocha. Pamimba nyama woyera. Ngakhale ena mboni kuti mtundu ndi opepuka kwambiri kuposa kulongosola cha boma. Iwo amanena kuti mtsinje Chinese Dolphin pafupifupi woyera.

Kufalitsa mitundu

Nthawi zambiri mtundu wa dolphin mtsinje anakumana mu Mtsinje Yangtze. Ngati inu mwaziwona, izo zikuwoneka ngati mtsinje Yangtze pa mapu, ganizirani momwe ziliri zakuya ndi mtsempha wamagazi yaitali. M'litali kuposa 6300 Km, koma sanali kupulumutsa Chinese mtsinje dolphin chithe kuopseza. Nthawi zina nyama awa anakumana mu Tsyantane (Mtsinje) ndi nyanja ya Dongting ndi Poyang. Munthu wina chinaoneka m'dera Shanghai.

Kodi kukhala ndi mtundu wanji wa Zingayambe

Kuphunzira moyo wa mtundu uwu ndi zovuta. Chifukwa manambala yaing'ono, pali pafupifupi palibe uthenga. Koma tikudziwa kuti anamgumiwa mtsinje anali awiriawiri ndipo amakonda mitsinje ndi osaya madzi m'mphepete mwa nyanja. Ambiri mwina, ichi ndi chifukwa cha chitukuko osauka a ziwalo za mtundu. Madzi nthawi zonse matope, kotero diso kwenikweni achabechabe kudalira echolocation.

Chinese mtsinje dolphin ndi njira tsiku ndi tsiku. Usiku, iye ukuchoka ku madera ndi nthenda yotaya pang'onopang'ono, kumasuka.

The zakudya za nyama yaing'ono nsomba, eels, mlamba, ndi ngale. Pakuti kusaka nyama amagwiritsa ntchito mlomo wautali. Ndi kuti digs dolphin kupanga sludge. Pajatu zipolopolo mwakhama ntchito mano yomwe imakonzedwa makamaka kusinthidwa kwa zolinga zimenezi.

Nthawi zina mtsinje anamgumiwa amasonkhana mu magulu. Chotero gulu chingakhale anthu 3, ndipo mukhoza okwana nyama 15. Koma nyumba awa si wokhalitsa yaitali.

kubalana

About kubalana Chinese mtsinje anamgumiwa mudziwe zocheperatu. Asayansi ankati, zochokera deta ku mbewu kupezeka kwa iwo manja awo. Akazi sali chonde kwambiri. Iwo amabweretsa pa Bakuman wina, ndipo palibe kawirikawiri kuposa kamodzi pa zaka 2. Motero n'kutheka nthawi gestation ndi miyezi 11. Ana amabadwa ofooka kwambiri. Nthawi yoyamba mayi ali kuwasunga wolimba ndi zipsepse.

Nthawi yeniyeni ya kutha msinkhu silidziŵika. Malinga ndi mfundo, zingakhale pakati pa zaka zitatu ndi zisanu ndi zitatu.

Kuyesa kusunga mitundu

Kumene, asayansi pofuna kupulumutsa mtundu zayamba nyama, koma mu nkhani ya China sanathe tikafike bwino mtsinje dolphin. Ngakhale kuti mitundu zimatetezedwa ndi m'gulu pangozi, nyama chilengedwe kwenikweni kumanzere. umboni Recent a msonkhano asodzi dolphin maganizo zimapezeka mu 2004. Mu 2007, ulendo wa anatumizidwa kusonkhanitsa nambala inayake ya anyamata kapena atsikana anthu (pafupifupi 25 mitu). Izi zikhoza kulola maganizo zimafalitsidwa mu ukapolo mwina kubwezeretsa anthu. Koma maulendowa anabwerera ndi kanthu. zipangizo zamakono sizinalembedwe baijiu. Zimenezi zimabweretsa mapeto chisoni anthu a anamgumiwa mtsinje anafa ndi kubwezeretsa izo sizigwira ntchito. N'zomvetsa chisoni ndikuzindikira izo, koma Chinese mtsinje dolphin ndi kuboma monga amanena kuti kuchokera 2007.