Ngezibalo, siyaqaphela ukuthi kunezinhlobo ezingu-86 zezilwane emhlabeni. Inhlanzi enkulu kunayo yonke emhlabeni. Ekude lokhu kudalwe okukhulu kunamamitha angaba ngu-33! Ukukhuluma ngendlela engokomfanekiso, kwakuzofana nezintambo ezingu-30 zase-Afrika noma zaseNdiya! Uma sikhuluma ngokuthi i-whale yamasayizi angavamile angaphila, yizilwandle ezivulekile nolwandle emhlabeni jikelele. Kodwa-ke, le ndawo ayilona kuphela eluhlaza okwesibhakabhaka, kodwa ngokujwayelekile yonke imikhomo ephilayo.
Amakhosi olwandle
Ngakho-ke, sifundile ukuthi izilwandle nezilwandle yizindawo lapho i-whale ihlala khona. Kodwa kukho konke lokho, khumbula ukuthi imikhomo ayiyona inhlanzi! Baphefumula amaphaphu njengezo zonke izilwane ezincelisayo, hhayi amagill njengezinhlanzi. Yingakho kuyadingeka kakhulu ukuba bavuke emanzini ngezikhathi ezithile ukuze bathathe umoya. Le nqubo ihambisana nomthombo ongavamile ngaphezu kolwandle lolwandle. Kodwa ingabe imikhomo ihlala njalo emanzini? Akunjalo! Kuyathakazelisa ukuthi eminyakeni eyizigidi ezimbalwa edlule okhokho bama-cetaceans wamanje abahlala emhlabathini, futhi ngokungafani nezinzalo zabo, baqale bahamba emanzini angenawo, bafihla lapho bevela ezitheni zabo bezingela izilwane ezincane ngesikhathi esifanayo, futhi emva kwesikhathi bahamba baya olwandle. Ngesikhathi esifanayo, izinwele zabo zaphela ngokuphelele emzimbeni wabo, futhi izikhonkwane zabo zaphenduka amahlombe. Umsila uthatha isakhiwo esidingekayo sokubhukuda okunethezeka - hhayi okubonakalayo, njengenhlanzi, kodwa okulinganiselwe.
Ngakho, lapho i-whale ihlala khona, sithole. "Swam" okuqhubekayo!
Kusukela ekuphileni kwemikhomo
Ngokuya ngezinhlobo zazo eziphilayo , ama-whale angadla izinhlanzi, ama-squid, ama-crustaceans amancane ne-plankton. Isisu salezi zilwane siqukethe amathani amabili kuya kwezintathu zokudla. Bagwinya imfuyo yabo yonke, ngaphandle kokuzama ukuyihlafuna. Swayipha iminyango masinyane. Ngezilinganiso zabo, zikwazi ukufinyelela ukuvinjelwa kwamakhilomitha angu-50 ngehora. Ngaphezu kwalokho, lezi zilwane zihlukene kakhulu. I-sperm whale, ngokwesibonelo, ingadlulela ekujuleni kwamamitha ayizinkulungwane ezintathu! Futhi konke lokhu kubonga emaqenjini amahle, okwenza bahambe emanzini ajulile, futhi bahlale e-nostril engaphezulu kwe-whale, njengesikhwama, emoyeni. Lokhu kumnika ithuba lokuba angadluli phezulu emahoreni amabili wonke. Uma sikhuluma ukuthi i-whale iphila kangakanani, lesi sibalo sifinyelela eminyakeni engu-50. Ama-whales yizilwane ze-viviparous. Bazala ama-cubs aphile, abondla ngobisi, okuyinto, ngendlela, izikhathi ezingamatshumi ayisihlanu kunomsoco kunobisi bezinkomo! Ngenxa yalokhu, ama-kittens amancane akhula kakhulu. Kumele uqaphele ukuthi lezi zilwane zinombono omuhle kakhulu, uthinta, ukuzwa hhayi nje kuphela ... Njengoba kukhonjisiwe, ziqondiswa ezinye izitho zengqondo - abahlaziyi. Ama-Whale akwazi ukubamba i-ultrasound ne-infrasound, phakathi kwabo, bakhuluma ngemisindo ehlukahlukene. Phakathi kwezinye izinto, imikhomo yizilwane ezihlakaniphile kakhulu ezingaqeqeshwa kalula!
Lihlala kuphi i-whale - ezindaweni ezishisayo noma eqhweni?
Ama-whales asakazwa emhlabeni jikelele, ngoba olwandle nolwandle ukunyakaza kwabo azikho izithiyo. Bahlala emaphaketheni, bakhetha indawo efanayo ngesikhathi esithile, kepha noma kunjalo, kufanele badabuka amabanga amade. Kuye ngezinhlobo zezilwane, izinyoni zihlukaniswa ukushisa nokuthanda amanzi apholile. Ngokwesibonelo, i-white whale (noma i-beluga whale) ihlala emanzini ase-polar, futhi ama-whale angama-killer ahlala emanzini asezindaweni ezishisayo noma ezingaphansi komhlaba.
Isimo "sokuzibulala"
Lokhu kuyinto evamile ekuphileni kwemikhomo. Baziphonsa ogwini, lesi silwane sife. Ngokwenye inguqulo, lokhu kungenxa yokuthi abantu bahlambalaza kakhulu i -World Ocean. Enye inguqulo ithi konke kungenxa yokuthi kukhona ama-ultrasound, okuyinto ngezinye izikhathi eholela emagqumeni. Ukugijima ngaphansi kwamanzi, isilwane sithumela isibonakaliso se-ultrasonic phambili, kanti lapho kwenzeka isithiyo kubonakala kuso futhi ubuyela ku-whale (kanye namabhantshi), okuyinto, ekwazi kahle ukuthi isithiyo esilandelayo siyaphuma. Kodwa uma ogwini luhle kakhulu, isibonakaliso se-ultrasonic kuso ngeke sibonakaliswe, esibuye siphambukise i-whale: ucabanga ukuthi amanzi aseduze futhi aphonswa ngaphandle ezweni ngokusheshisa! Qaphela izinhlanzi - zisindise!