Nkauj nyab tus minke whale: piav qhia, khoom noj khoom haus, chaw nyob thiab kev yug me nyuam

Cov txheej txheem:

Nkauj nyab tus minke whale: piav qhia, khoom noj khoom haus, chaw nyob thiab kev yug me nyuam
Nkauj nyab tus minke whale: piav qhia, khoom noj khoom haus, chaw nyob thiab kev yug me nyuam

Video: Nkauj nyab tus minke whale: piav qhia, khoom noj khoom haus, chaw nyob thiab kev yug me nyuam

Video: Nkauj nyab tus minke whale: piav qhia, khoom noj khoom haus, chaw nyob thiab kev yug me nyuam
Video: “Tus Nkauj Nyab” nkauj tawm tshiab By Pov Yaj 8/24/2023 2024, Hlis ntuj nqeg
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Ntxhais tus minke whale yog tus tsiaj uas noj ntses ntau nyob hauv tsev kawm. Qhov no cosmopolitan nyob hauv dej hiav txwv, feem ntau tsuas yog nyob rau hauv temperate thiab tropical latitudes. Cov tsiaj no, ntawm tag nrho lwm cov minke whales, suav tias yog thermophilic thiab yog li ntawd nyob hauv thaj chaw sov ntawm dej hiav txwv. Koj tuaj yeem ntsib nws hauv dej ntawm Western Australia, South Africa, Indonesia, Nyiv thiab lwm qhov chaw.

Kev piav qhia ntawm minke whale

Tus nkauj nyab striped
Tus nkauj nyab striped

Nyob rau hauv tsos, Bryde's minke whale yog me ntsis zoo ib yam li sei whales, tab sis nws yog li ntawm ib thiab ib nrab meters me dua lawv, thiab nws lub cev yog slender. Xws li tropical whales muaj qhov hnyav ntawm 10 txog 19 tons. Muaj peb txoj kev loj hlob me me ntawm lub taub hau ntawm minke whale. Tag nrho lawv tau teem caij kom lawv qhov xaus sib sau ua ke ntawm qhov kawg ntawm lub muzzle.

Nws paub tias Bryde's minke whale muaj lub cev elongated. Tab sis cov fins uas nyob rau ntawm nws yog tsawg heev. Lub cev ntev ntawm xws li tsiaj nyeg tuaj yeem ncav cuag14 meters, tab sis tsuas yog poj niam ib txwm me dua. Hauv qab ntawm lub cev ntawm cov txiv neej, koj tuaj yeem pom cov nti uas nyob tom qab sib ntaus sib tua nrog shark.

Ntxhais nkauj nyab minke whale muaj lub taub hau dav. Tshwj xeeb tshaj yog nws lub qhov muag loj sawv tawm. Thiab nyob rau sab saum toj ntawm nws yog lub qhov ntswg. Xws li ib tug tsiaj tsis muaj hniav, es tsis txhob ntawm lawv muaj ob kab ntawm whalebone daim hlau. Lawv dav tab sis tsis stretchy. Nyob rau hauv lub puab tsaig sab, nkauj nyab muaj ob kab ntawm coarse plaub hau. Cov fins nyob hauv qab yog nyob hauv qab. Bryde's minke whale yog ib tug whale predatory uas muaj lub cev grey xim, txawm hais tias nws sab sauv yog xim av qias neeg.

Minke whale chaw nyob

Dab tsi yog Bryde's minke whale
Dab tsi yog Bryde's minke whale

Nws paub tias cov whale nyiam nyob hauv dej qhib, qhov kub tsis tshaj nees nkaum degrees. Txhawm rau pub, lawv feem ntau mus rau hauv dej ntiav. Cov tsiaj nyeg nyob hauv tsev me me los yog ua khub. Qee zaum txog peb caug whales tuaj yeem sib sau ua ke ntawm qhov chaw pub mis.

Ntxhais tus minke whale tau nto moo rau nws tus cwj pwm coj txawv txawv: tam sim ntawd nws tuaj yeem dhia tawm mus rau saum npoo dej lossis hloov kev taw qhia.

Ua ntej nqis mus rau hauv dej, minke whale siv ob peb ua pa. Hauv dej, nws tsis nyob twj ywm ntev dua 12 feeb, txawm tias tsis muaj cua nws tuaj yeem ua tau ntev dua, piv txwv li nees nkaum feeb. Cov tsiaj no feem ntau dhia mus rau qhov tob ntawm 300 meters. Qhov siab ntawm cov kwj deg uas lawv tso tawm tuaj yeem ncav cuag li plaub metres, txawm hais tias lub trickle nyias nyias. Feem ntau lawv ua luam dej ntawm qhov nrawm li ntawm xya mais tauj ib teev, tab sis nws tuaj yeem ncav cuag li 20 mais toj ib teev.

Minke whales paub tias tsiv mus nyob tsis tu ncua, vim lawv siv lub caij ntuj no ze ntawm Bonin Islands. Tab sis lub caij ntuj sov lawv nyiam nyob hauv Kyu-Syu lossis hauv Sanriku. Feem ntau lawv tuaj yeem pom qhov twg cov ntses predatory, xws li sharks, siv lawv txoj kev yos hav zoov.

Ntxhais nkauj ua suab luv. Nyob deb, lawv zoo ib yam li lub suab ntawm tus neeg.

Tib neeg raug suav hais tias yog cov yeeb ncuab tseem ceeb ntawm cov tsiaj txhu xws li Bride's minke whale. Lub rump whale nyob txog 70 xyoo yog tias nws tsis raug tua. Niaj hnub no, tus naj npawb ntawm cov tsiaj no txawv ntawm 50 mus rau 90 tus neeg. Txiv neej pib tua lawv nyob rau hauv lub sixties. Tab sis tseem, minke whales raug kev txom nyem feem ntau los ntawm hagfish thiab crustaceans: lawv ua qhov txhab tob rau ntawm lub cev ntawm whale, uas tom qab ntawd pib fester. Feem ntau, qhov tob ntawm qhov txhab yog plaub centimeters, tab sis tuaj yeem ncav cuag kaum centimeters. Minke whales kuj tuag thaum lawv sib tsoo nrog cov nkoj lossis thaum lawv poob rau hauv cov nuv ntses.

Pub mis minke whales

Bryde's whale - ib tug predatory whale
Bryde's whale - ib tug predatory whale

Ntau tus neeg txaus siab rau cov lus nug txog dab tsi Bride's minke whale yog dab tsi thiab nws noj dab tsi. Kev noj haus ntawm minke whales nyob ntawm qhov chaw lawv nyob. Lawv yos hav zoov tsis tau tsuas yog nyob deb ntawm ntug dej hiav txwv, tab sis kuj nyob rau hauv dej ntiav. Lawv tuaj yeem noj penguins.

Kev noj zaub mov ntawm cov whales no txawv. Yog li, nws suav nrog crabs thiab copepods, lobsters thiab krill. Minke whales kuj nyiam noj cephalopods xws li squid thiab cuttlefish. Yog tias lawv noj zaub mov ze ntawm ntug dej hiav txwv, lawv tuaj yeem cuam tshuam lawv tus kheej mus rau hauv av, thiab tom qab ntawd lawv yuav xav tau kev pab rov qab losdej ntsiab. Muaj cov xwm txheej thaum Brides tawm tsam sharks, qhov ntev mus txog ib 'meter'.

Tus nkauj nyab striped, striped
Tus nkauj nyab striped, striped

Lub caij sib tw rau minke whales kav thoob plaws xyoo. Kev xeeb tub hauv cov poj niam kuj tseem kav ib xyoos. Nws paub tias tus poj niam yug tau ib tug menyuam txhua peb xyoos. Qhov hnyav ntawm tus menyuam yug tshiab whale tuaj yeem tsawg dua ib tuj, thiab qhov ntev yog kwv yees li plaub meters. Tus poj niam pub mis rau tus menyuam kom rog tau rau lub hlis.

Puberty hauv txiv neej tshwm sim thaum muaj hnub nyoog tsib xyoos, thaum lawv lub cev ntev txog 12 meters.

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