Kodi Amenewa ndi Okaona Omwe Pachaka ku Madzi a Hawaii?
Kuyambira November mpaka May, madzi a Hawaii akuyendera ndi zinyama zoposa 1000 zam'mphepete.
Mphepo zam'mphepete mwa nyanjazi zapita ku madzi otentha a Hawaii ochokera kumpoto chakumtunda monga Aleutian Islands za Alaska, kumadera akutali monga Glacier Bay komanso kumwera kwa Farallon Islands kufupi ndi nyanja ya California.
N'chifukwa Chiyani Kukhumudwa Kumabwera ku Hawaii?
Mphepete mwa nyanjayi zimabwera kumadzi otentha a Hawaii kumene amabereka, amamera, ndi namwino ana awo.
Ulendowu wa makilomita 3500 kuchokera kumadera awo odyetsa ku chilimwe umatenga pakati pa miyezi iwiri.
Izi zimatsimikizira kuti amayi omwe ali ndi pakati ndi amayi omwe ali ndi mwana watsopano amathera nthawi yambiri m'madzi otentha a Hawaii.
Nkhosa zamphongo zonse zimakhala ndi pakati ndipo zimabadwa pafupi ndi zilumba za Hawaiian. (Nthawi yogonana kwa mkazi ndi pakati pa miyezi 10-12).
Tiyeni tiphunzire zina zowunikira za alendo a ku Hawaii pachaka.
Kodi Humpback Whale ndi chiyani?
Nkhono yam'mphepete ndi nyamayi yaikulu kwambiri padziko lonse lapansi.
Dzina lake la sayansi, Megaptera novaeangliae, anapatsidwa kwa 1781 ndi katswiri wina wa zachilengedwe wa ku Germany wotchedwa Borowski, kutanthauza kuti "Wamkulu Winged New Englander," ponena za kukula kwake kwa mapiko aakulu a mchira ndi Gombe la New England.
Ndilo dzina lofala kwambiri la Chingerezi la humpback likuwoneka kuti limachokera ku chizoloŵezi cha chiweto cha kumbuyo kwake pamene akuwomba.
Nkhono yam'mphuno imakhala yakuda imvi, yakuda buluu mpaka mdima wakuda, imakhala yofiira kumalo oyera omwe angasonyeze zakuda zomwe zili zosiyana malinga ndi whale. Zili ndi zizindikirozi, makamaka zomwe zimapezeka pamchira, zomwe zimatha kuzidziwika ndipo chiwerengero cha anthu ndi maulendo oyendayenda amalembedwa.
Nkhungu zamphongo zimakhalanso ndi mapiko (kapena mapiko a pectoral), omwe ali mbali iliyonse ya matupi awo. Izi zimagwiritsidwa ntchito kutembenuka ndikuyendetsa. Zilombozi ndi nyama, monga anthu, ndipo mapikowa amasintha zowonongeka, ndi mafupa ofanana ndi a dzanja la munthu ndi mkono.
Pamene anabadwa, ana amphongo amayeza pafupifupi mapaundi 3000 ndipo amatha kutalika mamita 10 mpaka 16. Zitha kukula mpaka pakati pa mamita 40 ndi mamita awiri, ndipo zazikazi zimakhala zazikulu kwambiri kuposa amuna.
Chimera chachikulu chikulemera pafupifupi tani imodzi pa phazi, kapena pafupifupi 84,000 - 90,000 pa mapaundi. Ochita kafukufuku amakhulupirira kuti zovuta zimakhala pakati pa zaka 40 mpaka 60.
Kodi Nkhumba Zam'mimba Zimadya Chiyani?
Nkhungu zamphongo zimakonda kudyetsa mkati mwa madzi pamtunda wa 150-160.
Ziphuphu za kumpoto kwa Pacific zimadya nsomba zapankton kapena nsomba zazing'ono zophunzitsa monga mackerel ndi Pacific saury. Nkhungu zimatsuka chakudya chawo kuchokera ku madzi ochuluka omwe ali ndi nsomba zomwe zimalowetsedwa m'makamwa mwawo. Nkhunda zamphongo zam'mimba zimakhala zowonjezera kwambiri zomwe zimawonjezera mphamvu zawo pakamwa.
Pamene chakudya chonse chili pakamwa, pakamwa pake pamatsekedwa ndipo madzi amachotsedwa. Pakalipano, chakudya chimagwidwa mu zotchedwa "mbale za baleen" ndipo kenako zimamezedwa.
Baleen amakula mu moyo wa nsomba. Baleen amatchedwanso whalebone. Baleen ali ndi zinthu zolimba, zosavuta zomwe zimapachikidwa kumtambo.
Mkati mwa baleen wathyoledwa ndi mbale zofiira zomwe zimasakaniza plankton, krill ndi nsomba zazing'ono. Baleen amapangidwa ndi keratin (chinthu chomwecho zikhomo zathu ndi tsitsi zimapangidwa).
Kudzikuza kungathe kudya chakudya cha tsiku limodzi. Kawirikawiri, iwo samadyetsa ali mumadzi a Hawaii, malo awo ozizira.
Kodi Mungatani Kuti Muziona Nkhalango Zambiri?
Njira yabwino yowonera nyamakazi zaku Hawaii ili ndi ulendo wopangidwa ndi boti. Ngakhale pali zambiri zomwe zimaperekedwa pazilumba zazikuluzikulu, malo abwino kwambiri ndi maulendo operekedwa ndi Pacific Whale Foundation ku Maui.
Pacific Whale Foundation ndi bungwe lopanda phindu lomwe linakhazikitsidwa mu 1980 kuti lipulumutse mapiko.
Nkhokwe iliyonse imayang'aniridwa ndi akatswiri a nyenyezi omwe amatha kufotokozera mwatsatanetsatane machitidwe a nyangayi ndikuthandizani kuti muwaone pamtunda wanu. Pa ngalawa zambiri mumamvekanso phokoso la nyangayi m'mphepete mwa nyanja.