Cov kab ntau tshaj plaws ntawm grey whales grey whales Mus ncig hmo ntuj thiab nruab hnub, grey whale nruab nrab kwv yees li 120 km (75 mi) ib hnub ntawm qhov nruab nrab ceev ntawm 8 km / h (5 mph). Qhov kev ncig ncig no ntawm 16, 000–22, 000 km (9, 900–13, 700 mi) ntseeg tau tias yog qhov ntev tshaj plaws txhua xyoo kev tsiv teb tsaws ntawm cov tsiaj nyeg. https://en.wikipedia.org › wiki › Grey_whale
Grey whale - Wikipedia
yog tus tswv tsev tshwj xeeb, uas txhais tau tias lawv tshwm sim ntawm tsis muaj lwm yam whales. Ib hom barnacle, Cryptolepas rhachianecti, txuas nkaus xwb rau grey whales. … Thaum cov me nyuam whales loj tuaj, cov pawg barnacle kuj loj tuaj thiab. Maj mam cov barnacles tsim loj, tawv dawb colonies.
Puas whales sim tshem cov barnacles?
Barnacles depigment ntawm daim tawv nqaij thaum lawv muab lawv tus kheej rau whale. … Kom tshem tau cov ntshauv, whales rub lawv tus kheej raws hauv qab hiav txwv los yogua txhaum. Grey whales noj rau hauv qab sediments thiab khawb tawm barnacles thiab whale nas thaum lawv pub.
Vim li cas qee tus whales thiaj tau barnacles?
Barnacles yog opportunistic lim feeders uas txhais tau tias lawv sim thiab lob ntau cov as-ham raws li lawv muaj peev xwmuas ntab dhau lawv nrog lawv cov plaub hau 'caj npab'. Yog li, cov kab mob no tau txais txiaj ntsig zoo los ntawm kev ua neej nyob ntawm cov tsiaj uas niaj hnub txav mus los, tshwj xeeb tshaj yog los ntawm cov dej txias txias uas lawv siv lawv lub caij ntuj sov.
Pob barnacles loj hlob ntawm xiav whales?
Blue Whales muaj tsawg tsawg thaum humpbacktau txais lawv feem ntau nyob ib puag ncig Qhov peb muaj feem ntau yog kev xav thiab kev xav. Whale Barnacles passively lim zaub mov, siv tentacle-zoo li cirri, raws li tus tswv tsev ua luam dej hauv dej. Yog li lim feeder/baleen whales ua luam dej ntau dua los ntawm thaj chaw barnacles nyiam pub.
Puas whales nqa barnacles?
Barnacles tsis tu ncua colonize daim tawv nqaij ntawm lim pub whales, thiab lawv feem ntau ua li ntawd hauv cov lej loj - ib qho humpback whale, piv txwv li, tuaj yeem tuav yuav luag 1,000 phaus ntawm barnacles. … Rau rau xyoo tas los no, Zardus tau kawm txog cov barnacles uas nyob ntawm ntau yam tsiaj hauv hiav txwv, suav nrog whales.
