Ihlengethwa elimhlophe: izici zezinhlobo

Abanye abantu bakholelwa ukuthi amahlengethwa aphakeme kakhulu ekuhlakanipheni kwawo, ubuchopho babo bukhuthuka kakhulu. Ukuxhumana komunye nomunye kungasuka kude ngosizo lwamagagasi e-ultrasonic. I-dolphin eyi-grey iyilwane le-mammalian ye-whale oda.

Indlela yokuqaphela ihlengethwa elimpunga?

Kusukela kwezinye izinhlobo zehlengethwa lokhu kuhluke kakhulu. I-dolphin e-grey ayinayo okuthiwa i-beak, umzimba wayo unamandla futhi unamandla, umzimba uphahla emsila, nomsila uncane. Ikhanda elinamandla liphakanyiswa ngokujulile kusukela ekugcineni kwengxenye engenhla yesikhukhula, ikhanda lihlanganisiwe, lihle. Ukunqunywa komlomo akudluli yonke imbobo. Intaba encane, i-concave ekhanda, evela kubo bonke abanye abazalwane, ihlukaniswe ihlengethwa elimhlophe. Incazelo yombala wayo ayikwazi ukunikezwa ngokungajwayelekile, ngoba umbala womzimba uhluka kakhulu ngobudala. Ingemuva kwehlengethwa iyimpunga noma imfucumfucu emnyama, isisu sesilula, kanti ubudala bezindawo ezimhlophe emzimbeni kuba mkhulu. Kubonakala sengathi uguga, azimboza ngemhlophe. Ubuso bonke bomzimba bugcwele izibazi ezivela ezincelweni ezibangelwa ama-mollusk noma izihlobo. Lapho ukhulumisana, lezi dolphin zivame ukuthukuthela futhi zilume.

Isisindo somuntu omdala singakwazi ukufinyelela ama-kilogram ayikhulu amahlanu. Ubuningi bomzimba kusuka emgqeni womsila kuze kube sekuqaleni kwe-muzzle kuvela kumamitha amathathu kuya kwangu-4. Amahlengethwa amhlophe athatha indawo yesihlanu ngobukhulu emndenini wabo. Amazinyo abo angama-pairs ayisikhombisa, konke okutholakala emhlathini ongaphansi, igamu eliphezulu libushelelezi. Amazinyo ehlengethwa aqhubekela phambili kusukela ku-gomamu ngesigamu sesentimitha. Ngenxa yekhanda elingenhla, ihlengethwa ingaba iphutha ngendwangu yokubulala ize ivele emanzini.

AmaDonphin adla ngani?

Lesi sifo sithanda ukudla ebusuku, kodwa hhayi ngoba isikhathi asikho okwanele emini, kepha ngoba ukudla okuthandayo kuyi-squid - kuphela ebumnyameni bayasondela emanzini. Emanzini, konke okudliwa amahlengethwa ngama-mollusk, ama-crustaceans nezinhlanzi ezihlukahlukene. Ukudla lezi zidalwa, izilwane ezichazwe kakhulu zithinta ukusatshalaliswa nokuningi kwazo.

Ukusakaza

Amahlengethwa amhlophe asakazwa emhlabeni jikelele emanzini mahhala nasemaphethelweni. Ayitholakali kuphela ogwini olusentshonalanga ye-Afrika, kwamanye amanzi eNingizimu Melika. Emanzini aseRashiya, i-dolphin eyimpunga iyinto engavamile, ikakhulukazi itholakala eduze naseziQhingini zaseKuril. Inani labo eliqondile aliziwa, inani elilingana labantu ngabanye liyizinkulungwane ezingaphezu kwamakhulu amane.

Ukukhiqizwa nokukhuliswa kwamabhantshi

Amahlengethwa ahlala iminyaka engamashumi amathathu nanhlanu. Ubudala lapho abesifazane abavuthiwe ukuqhutshwa kohlobo - iminyaka engu-8-10. Abesilisa abanqunyelwe iminyaka, ukuvuthwa kwabo kunquma ubukhulu bomzimba - kusuka kumamitha amabili nengxenye. Amahlengethwa amaGrey amhlophe azalwa kusukela ngonyaka kusukela ezinyangeni eziyishumi nane. Ukuzalwa komntwana okulingana namakhilogremu angama-20, bayakwazi ukuzibhukuda bebodwa. Umama udla izingane ngobisi lwebele kuze kube yilapho efinyelela ezinyangeni eziyishumi nesishiyagalombili. Empumalanga yePacific Ocean, ukuphakama kwamahlengethwa kwenzeka ebusika, futhi empumalanga - ehlobo nasekwindla yokuqala. AmaDonphin yizidalwa zomphakathi, ahlala enhle kakhulu, ahlala ngamaqembu futhi anakekelwa ngumhlambi wonke wezingane. Uma ingane ingena enkingeni, akunandaba ukuthi ubani-okudingekile ukuyivikela. Konke, njengabantu.

Emkhawulweni wokuqedwa

Emanzini aseRashiya, ihlengethwa elimhlophe lingavamile kakhulu. I-Red Data Book ye-USSR ikhulume ngalezi zilwane emakhasini ayo, yayilondolozwe. Okwamanje, uLuhlu Olulubomvu lwe-IUCN-96 lune-dolphin eyimpunga, ku-Red Book yaseRussia - futhi. Laba bantu bavikelwe yi-state, inhlawulo enkulu inikezwa ukudoba kwabo. I-dolphin e-grey ayinanzuzo kumuntu: ayinakwenzeka, isikhumba asifanelekile ukuthunga. Yini engasongela lesi silwane?

Okwokuqala ukuchithwa kwezinhlanzi ezinhlathini zehlengethwa. Abadobi, njengamahlengethwa, bazi ukuthi nini futhi kuphi ukudoba. EJapane naseSri Lanka, kudliwa inyama yehlengethwa, ngakho-ke kulezi zindawo kudliwa abantu abayizinkulungwane ezimbili. Imisindo ye-anthropogenic eyadlula emasimini olwandle iyingozi kubantu abakhileyo olwandle, kuhlanganise namadonphin. Lezi zomsindo, ezithathwe izilwane ezibucayi, zibangela isifo se-caisson. Lesi sifo sibulala wonke amahlengethwa. Ukwandisa izinga lolwandle nokushisa kwamanzi okukhuphuka nakho kungabangela ukuphela kwezinhlobo eziningi zezinhlobo, kuhlanganise ne-dolphin eyimpunga. Ngezinguquko zezulu, kuzodingeka zifuduke, ezithinta izimo nezindawo zokuhlala, ukudla futhi, ngokufanayo, inani labasindile.

Umuntu akayithathi ingxenye enkulu yokuphila kwamadonphin, ukuphonsa imfucuza kanye nodoti ovamile olwandle. Ososayensi baseJapane bathole abantu abafile, lapho kuvulwa khona ukuthi izibeletho zabo zigcwele izikhwama zeplastiki, amathini amathini avela ngaphansi kweziphuzo ezahlukene. Le nkunkuma yayingagciniwe futhi ayizange ivele ngokwemvelo, eyabangela ukufa. Amakhemikhali ahlaselwa e-World Ocean abulala amahlengethwa ngonyaka olwandle njengaseSri Lanka abadli iminyaka emihlanu. Ku-Red Data Book, i-dolphin eyimpunga ivela kukholomu yezilwane ezivikelwe, inesimo se "esengozini".