Namun dajin: da Sin kogin dabbar dolfin (baijiu)

A shekarar 1918, an ban sha'awa abu da aka gano a cikin daya daga cikin ruwa tare tabkuna na Sin lardin Hunan. A Dongting Lake lura na cikin ruwa dabbobi masu shayarwa da cewa nasa ne da suborder na toothed Whales. Su suna da dabba "Sin kogin dabbar dolfin."

Wane ne kogin da dabbobin ruwa

Mutane suna amfani da su da cewa da dabbobin ruwa - mazauna m teku, da kuma teku, ruwa. Amma akwai wani kananan iyali mai taken River dabbobin ruwa. Yau akwai 4 jinsunan cetacean dabbobi masu shayarwa. Uku daga cikinsu rayuwa a cikin sabo da ruwa, da kuma na hudu iya rayuwa a cikin koguna da tabkuna da kuma a cikin teku. Abin takaici, wannan farauta. Sun sha wahala saboda da kusanci da mutane. Dadaddun saboda gurbatawa na koguna da uncontrolled farauta.

Abin da nasaba da sunan

Local mutane kira kogin dabba mai shayarwa "baijiu". Sin kogin dabbar dolfin yana da matukar rarrabe dorsal filafilin kifi, kama da rajistan shiga akwatin. Wannan shi ne abin da ya ba da salon magana sunan jinsin. A kimiyya sunan jinsin - Lipotes vexillifer. Ya unshi biyu Concepts. Leipo kwatanta "manta" da kuma vexillifer - «dauke da tutar". Kamar yadda ka gani, da masu bincike kuma yi amfani da external Association lokacin da daukana wani sunan ga numerically kananan sauran jinsinan.

Description of jinsunan

Ruwa tare wakilin toothed Whales, kasar Sin kogin dabbar dolfin - quite babban dabba. Matsakaicin rubuta dabbobi masu shayarwa jiki tsawon aka 2.5 m da m tsawon na fara tasawa - .. 1.5 m Weight adult dabba iya Range daga 100 zuwa 160 kg. Description na dabbar dolfin ne ba da yawa daki-daki. An sani cewa mãtã wannan jinsin su ne manyan kuma ƙetare size of maza. A jikin dabbar dolfin m da kuma stocky. The wuyansa ne quite mobile. A pectoral ƙege da fadi da tushe, amma ga baki kamar yadda idan yankakken kashe tare da gatari. Dorsal filafilin kifi akwatin-talakawan size, tare da smoothly curving gaba da raya gefuna. An located ba a tsakiyar na baya, da kuma kusa da wutsiya sashe.

Located a kan kambi dabba bace blowhole m. Da shi da ɗan canja zuwa hagu daga cibiyar. Sin kogin dabbar dolfin mugun gani. Idanunsa ba da raya da kuma wajen talauci located. Su ne high a kai, wanda rage Viewing kwana.

A gaban wani ɓangare na zagayayyen kwanya - abin da ake kira rostrum, shi ne kunkuntar da kuma elongated. An dan kadan lankwasa zuwa sama, kuma yayi kama da baki daga wani crane. A babba muƙamuƙi yana da m hakora fiye da kasa. Max saman - 68 hakora, da kuma kasa - 72 hakora.

Ba shi yiwuwa a rubuta wani bayanin mai dabbar dolfin, ba tantancewa da launi na dabba. Baijiu haske blue ko bluish-m tint. Tummy fari dabbobi. Ko da yake wasu shaidu ce cewa launi ne da yawa m fiye da a da hukuma bayanin. Suka ce cewa, kasar Sin kogin Dabbar kusan fari.

Rarraba jinsunan

Mafi sau da yawa irin wannan kogi dabbobin ruwa hadu a Kogin Yangtze. Idan baku gani, shi ya dubi kamar Kogin Yangtze a kan taswira, sa'an nan tunanin yadda shi ne mafi zurfi da kuma mafi tsawo jijiya. Its tsawon wuce 6300 km, amma shi bai ajiye Sin kogin dabbar dolfin daga nau'i nau'i barazana. Lokaci-lokaci wadannan dabbobi masu shayarwa hadu a Tsyantane (River) da tabkuna na Dongting da Poyang. Mutum daya da aka gani a Shanghai yankin.

Yadda rayuwa da kuma abin da irin ciyarwarka da

Nazarin rayuwar wannan irin yana da wuya. Saboda kananan lambobi, akwai kusan babu bayani. Mun dai san cewa kogi dabbobin ruwa ana sa a nau'i-nau'i, kuma fi son estuaries kuma m ~ ar ruwan. Mafi m, wannan ne hanyar matalauta ci gaban da gabobin da jinsunan. Ruwa ne ko da yaushe a cike da laka, don haka da ido shi ne ainihin m su dõgara a kan echolocation.

Sin kogin dabbar dolfin ne a kullum hanyarsa ta rayuwa. A dare, ya retreats zuwa yankunan da m kwarara, to shakata.

A rage cin abinci na dabba bace kananan kifi, eels, catfish da clams. Domin farauta dabba amfani da dogon baki. Tare da shi haƙa dabbar dolfin na sludge samar. Domin crushing wuya bawo amfani da hakora da cewa ana musamman maida shi musamman domin wadannan dalilai.

Lokaci-lokaci kogin dabbobin ruwa tara a kungiyoyin. Irin wannan kungiyar na iya kunshi 3 mutane, da kuma iya total 15 dabbobi. Amma wadannan Tsarin ba zamanu.

haifuwa

Game da haifuwa Sin kogin dabbobin ruwa ma kadan bayanai. Masana kimiyya sun lissaftuwa, bisa bayanai daga kõwace zangarniya akwai ƙwãya samuwa a gare su a cikin makãmansu. Mãtan suna ba sosai m. Sun kawo a kan daya cub, kuma babu mafi akai-akai fiye da sau daya a kowace 2 shekaru. Mafi m, da gestation zamani ne watanni 11. Kwiyakwiyanta an haife ta yi rauni sosai. A karo na farko, uwarsa tana kiyaye su da ninkaya da su fins.

A daidai lokacin da mafarki ba a sani. Kamar yadda zato, zai iya zama tsakanin uku da shekaru takwas.

Ƙoƙarin tsare jinsunan

Hakika, masana kimiyya suna ƙoƙarin ajiye miyagun jinsin dabbobi, amma a yanayin saukan kasar Sin ba za a iya kai da kogin dabbar dolfin nasara. Duk da cewa da jinsin aka kare da aka jera a matsayin miyagun, dabbobi a yanayi ne da ba a zahiri bar. Recent shaida wannan taron masunta dabbar dolfin views da aka samu a shekarar 2004. A shekarar 2007, wani balaguro da aka aika zuwa tattara wani adadin m-jima'i mutane (game da 25 kawunansu). Wannan zai iya bada izinin da ra'ayoyi karbe a cikin zaman talala kuma jera su mayar da yawan jama'a. Amma da balaguro koma tare da kome ba. Modern kayan aiki bai rubuta baijiu. Wannan take kaiwa zuwa wani bakin ciki ƙarshe: da yawan kogin dabbobin ruwa mutu da kuma mayar da shi zai yi aiki ba. Abin ba in ciki yi da shi, amma Sin kogin dabbar dolfin a hukumance gane kamar yadda dadaddun tun shekara ta 2007.