Izimfudu zingenye yezilwane ezifuywayo ezingavamile futhi ezingavamile. Kepha, emvelweni, kukhona abameleli balezi zinhlobo ezimangaza ngosayizi wazo omangalisayo.
Omunye wabakhulu kunabo bonke omele amanzi kulezi zinhlobo - ufudu lwe-leatherback... Lesi ngesinye sezilwane ezihuquzelayo ezinkulu emhlabeni. Ufudu olubizwa nge-leatherback lubizwa ngokuhlukile - isidlakela.
Isimo nendlela yokuphila yofudu obuyisikhumba
Le nyoni enkulu yasemanzini nejabulisayo ingafinyelela kumamitha amaningana ubude futhi ibe nesisindo esisuka kuma-300 kilograms kuye kwithani. I-carapace yakhe ayixhunyanisiwe namathambo amakhulu njengabo bonke abafowabo.
Isakhiwo sefudu sinjengokuthi ubukhulu bomzimba wayo bulingana nobuningi bamanzi - ngenxa yalokhu, kuhamba ngokukhululeka ezindaweni ezisolwandle. Ububanzi bamaphiko avulekile, ufudu olubizwa nge-leatherback, bungafinyelela kumamitha amahlanu!
Ububanzi bamaphiko avulekile kofudu lwe-leatherback bungafinyelela kumamitha amahlanu
Ikhanda likhulu kangangokuba isilwane asikwazi ukulidonsela egobolondweni. Okwamanje, lesi silwane esihuquzelayo sinezibuko ezinhle kakhulu. Zinemilenze emikhulu yangaphambili nezibani ezikhanyayo ezinhle ezisakazeke emzimbeni wonke. Lezi zilwane ezihuquzelayo zimane nje zijabulela ubukhulu bazo!
Ngenxa yokusizakala okuphawulekayo kwezingalo zangaphambili, zingamandla amakhulu okushayela ufudu, kuyilapho izitho zangemuva zisebenza njengabaqondisi. Igobolondo lofudu olubizwa nge-leatherback lingaxhasa isisindo esikhulu - kufika kumakhilogremu angamakhulu amabili, ngaphezu kwelalo. Ngaphezu kwalokho, inesakhiwo esihlukile esisihlukanisa namagobolondo ezinsizwa zayo.
Akuqukethe amapuleti ama-horny, kepha ungqimba lwesikhumba olujiyile kakhulu noluminyene. Ngaphezu kwalokho, ngokuhamba kwesikhathi, ungqimba lwesikhumba luqina kakhulu futhi lwakha izingqimba kuwo wonke umzimba.
Izici nendawo okuhlala kuyo ufudu lwe-leatherback
Ezindaweni indawo yokuhlala yofudu olubuyela emuva, angabizwa ngokuthi ngamanzi afudumele olwandle olushisayo: i-Indian, i-Atlantic nePacific. Kepha kwakukhona nezimo lapho babonwa khona emanzini asezingeni elipholile, ngokwesibonelo, ogwini lwaseMpumalanga Ekude.
Lezi zilwane ezihuquzelayo zingase zihlale ezindaweni ezisenyakatho. Njengoba bekwazi ukulawula umbuso oshisayo. Kepha ngalokhu ufudu olukhulu lwe-leatherback kuzodingeka ukudla okuningi. Isici sofudu lwe-leatherback ngamanzi. Ngaso sonke isikhathi lezi zilwane zisichitha emanzini, ziya emhlabathini kuphela lapho zidingeka, yebo - ukubeka amaqanda, ngaleyo ndlela kwandise uhlobo lwazo.
Futhi futhi ngesikhathi sokuzingela okusebenzayo ukuze uthathe umoya. Esimweni sokukhukhuleka ufudu lwasolwandle kungenzeka ingaphumi emanzini amahora. Ufudu lwe-leatherback lungabhekwa njengesilwane esinesizungu, alwamukeli kakhulu ukuxhumana nabanye.
Esithombeni, ufudu lwasolwandle olubuyela emuva
Yize ihlaba umxhwele ngosayizi, ungacabanga ukuthi iyaxaka futhi ihamba kancane, kepha ufudu lwe-leatherback luyakwazi ukubhukuda amabanga amade kakhulu futhi lwenze ijubane le-sprint.
Futhi ngezikhathi ezithile iya ezweni ukubeka amaqanda lapho. Ngenkathi esemhlabeni, kunjalo, akasheshi kakhulu, kepha uma esemanzini, ungumuntu nje obhukuda futhi ungumzingeli ongenakuqhathaniswa.
Ufudu olubizwa nge-leatherback kungenzeka izikhathi ezingaphezu kwesisodwa kube nokuhlaselwa nokuzingelwa yizilwane zasolwandle. Kodwa ukubhekana naye akulula kangako, uzozivikela kuze kube sekugcineni. Kusetshenziswa izidladla ezinkulu nemihlathi eqinile.
Ngaphezu kwalokho, unomlomo obukhali kakhulu, ngosizo lwawo akwazi ukubhekana noshaka. Akuvamile ukuthi noma iyiphi impilo yasolwandle ibe nenhlanhla yokunqoba lesi silwane esinamandla.
Ukudla okunomsoco kofudu lwe-leatherback
Ufudu lwe-leatherback luzondla kakhulu ngezinhlobonhlobo zezinhlanzi, ama-cephalopods, izimila zasolwandle nezinhlobo eziningi zama-crustaceans.
Kepha-ke ukudla okuthandwa kakhulu kwezimfudu ze-leatherback yi-jellyfish. Ukuze bazitholele ukudla, kufanele babhukude baye ekujuleni okukhulu, kuze kufike kumamitha ayi-1000.
Sebebambe inyamazane, bayayiluma ngomlomo wabo bese begwinya ngokushesha. Ngaphezu kwalokho, isisulu cishe asinalo ithuba lokusindiswa, ngoba konke umlomo wofudu olubuyisa isikhumba kuze kufike emathunjini kumbozwe imiqolo efana nama-stalactites.
Ukuzala kanye nempilo kofudu lwe-leatherback
Abesilisa bayahluka kwabesifazane ngomsila omude nangesakhiwo esincanyana segobolondo ngemuva. Ucwaningo oluningi luye lwabonisa ukuthi ezindaweni ezithile ezisogwini lolwandle, izimfudu ezinkulu ze-leatherback ziza ezindaweni zokwakha izidleke ngamaqembu.
Isibonelo, izingodo ezingaphezu kwekhulu zalezi zimfudu ziye zaqoshwa ogwini lwaseMexico. Yize kungejwayelekile ukuthi izimfudu ezibizwa nge-leatherback zizalele amaqanda ngamaqembu, zingahlala zodwa.. Izimfudu ezinesikhumba zikulungele ukuzala njalo eminyakeni emi-2-3 futhi zingabeka amaqanda afinyelela kwikhulu.
Kepha-ke, akuzona zonke izimfudu ezisanda kuzalwa ezinenhlanhla eyanele yokuphila. Izilwane eziningi kakhulu aziphikisi ukuzitika ngazo. Bambalwa kuphela abanenhlanhla abakwazi ukufika olwandle abaluthandayo bengalimele, lapho bezozithola bephephe khona.
Esithombeni kunesidleke sofudu olubizwa nge- leatherback
Izimfudu ezibuyisa isikhumba zibeka izinduku zazo esihlabathini esiseduze nolwandle. Bakhetha ngokucophelela indawo futhi, ngezidladla zabo ezinkulu ezinamandla, bemba indawo yokubeka amaqanda, ngemuva kokukhiqizwa kwenzalo yesikhathi esizayo, ufudu ulinganisa isihlabathi ngokucophelela ukuze ngandlela thile avikele izingane zabo ezincane.
Ngokujula, ukwakhiwa kwamatshe kungafinyelela - kuze kube imitha elilodwa nohhafu. Lokhu kujwayelekile uma kubhekwa inani lamaqanda nosayizi wawo. Ububanzi beqanda elilodwa bufinyelela kumasentimitha amahlanu. Imvelo ibone kusengaphambili ubuqili obuthile bezimfudu, amaqanda amakhulu anezimfudu ezincane, insikazi izalela ekujuleni kwe-clutch, bese ibeka amancane angenalutho phezulu.
Kuyathakazelisa ukuthi lapho ufudu lwasolwandle olubuyela emuva selikulungele ukuba ngumama futhi, lubuyela endaweni efanayo lapho lwaludle khona okokugcina. Iqanda livikelwe yigobolondo lesikhumba elijiyile, eliqinile.
Ngenkathi, ngaphansi kwezimo ezinhle, ufudu lwe-leatherback lungakhiqiza imikhuba enjalo eyisithupha, kodwa kufanele kube nezikhathi zezinsuku ezingaba yishumi phakathi kwazo. Ubulili bezingane bunqunywa umbuso oshisayo ngaphakathi esidlekeni. Uma isimo sezulu sipholile, khona-ke abesilisa bayatholakala, futhi uma kufudumele, khona-ke abesifazane.
Kuthwetshulwe ufudu lwengane oluyisikhumba
Izimfudu ezincane zizobona umhlaba cishe ezinyangeni ezimbili. Njengoba kushiwo ngenhla, basengozini, futhi bayizisulu ezilula zezilwane ezidla ezinye. Into esemqoka ngezimfudu ezintsha ukufika emanzini athandwayo.
Labo bantu abambalwa abanenhlanhla yokufika olwandle kuzofanela badle ngeplankton. Kancane kancane, njengoba bekhula, bazoqala ukudla i-jellyfish encane.
Azikhuli ngokushesha okukhulu, futhi ngonyaka owodwa zikhula ngamasentimitha angamashumi amabili kuphela. Kuze kukhule ngokugcwele izimfudu ze-leatherback hlala ezingqimbeni zamanzi ezifudumele ezingenhla. Ngaphansi kwezimo ezikahle, isikhathi sokuphila sezimfudu ze-leatherback sifinyelela eminyakeni engama-50.
