Baleen whales (foto). Olee otú ọtụtụ ndị ezé baleen whale?

Baleen whales (foto nwere ike hụrụ na isiokwu) - bụ otu n'ime oge a suborders nke cetaceans. Ha na-adọta mmasị na ya size, na evolutionary si malite na ndụ. Lets ịmụta banyere nnukwu ụmụ anụmanụ nke mbara ala na ihe zuru ezu.

detachment nke Cetaceans

Nke a bụ a nnukwu ìgwè mammals na-agụnye ndị kasị ibu n'etiti ndị nnọchiteanya nke klas ahụ dum. Taa, e nwere 38 genera, jikọtara abụọ suborders: Baleen na toothed whales (mistakotsety na odontotsety). Nke a Pita enyi na enyi, n'ụzọ zuru ezu na-emegharị ka ndụ na aquatic gburugburu ebe obibi. Nkà mmụta sayensị aha nke unit si Grik na pụtara "ogologo anụ mmiri". Nke a abụghị ihe ijuanya, n'ihi na whales - kasị mammals na mbara ala. Ha gbanwetụrụ a streamlined fusiform ahụ, ezigbo akpụkpọ a oké oyi akwa nke abụba n'okpuru. Ọ na-echebe ụmụ anụmanụ si hypothermia. Na na mmalite nke nne ele ụkwụ atrophied, na n'ihu ghọọ a ibu ntù.

Baleen whales (toothless): general e ji mara

Suborder agụnye anọ ezinụlọ, esịnede 10 umu. Nke a humpback, acha anụnụ anụnụ, bowhead, n'ebe ndịda, Dwarf, isi awọ whale, nku azu whale, sei, Bryde na whales na obere. Mgbe e mesịrị na isiokwu anyị na-amụta banyere ụfọdụ n'ime ha na ihe zuru ezu. Ọtụtụ ndị nnọchiteanya nke suborder - cosmopolitan na ebe nile n'ụwa oké osimiri mmiri. On ajụjụ nke otú ọtụtụ ezé baleen whale, onye nwere ike n'enweghị sị: dịghị. Ha niile bụ ndị na usoro nke na evolushọn agbanweela ịrịba mgbanwe ma na-a pụrụ iche agụụ mmekọ efere. Ha na-akpọ "whalebone" na kpụrụ ndabere nke suborder aha. Solid guzobere goms ndokwa transversely otu mgbe ọzọ na etiti oge nke 0.3-1.2 cm. The n'elu na n'ime n'ọnụ nke ọ bụla efere na-kewaa ogologo, na mkpa bristles. Nke a na Ọdịdị nke ihe n'agba ngwa yiri a myọ ma ọ bụ iyo. The anụmanụ ingests nnukwu uka nke mmiri na obere azụ, plankton na crustaceans wee iyo ya.

Olee otú ọtụtụ ndị ezé baleen whale bụ amaghị n'oge ochie, ma nke bụ eziokwu na ha bụ ndị - ọ bụ ihe-apụghị ịgbagha agbagha eziokwu. Ọ enen nchọpụta nke mmanu ndi mere onwe umu ke 2011. Obere kit (ruo 3 m n'ogologo) nwere a buru ibu ma na nkọ ezé. Nke a na-egosi na oge a na ụdị na-a ogologo evolutionary ụzọ oge a na Ọdịdị nke ahụ na-agbanwe agha ngwa.

Blue (ma ọ bụ-acha anụnụ anụnụ) whale

Site na nke a mmiri anụmanụ na dị iche iche formulations eji naanị otu epithet - "kasị." aru-ya ogologo bụ 33 mita, na ibu ibu karịa 150 tọn. Ọ bụ kasị anụmanụ na ụwa nke oge a, na eleghị anya na nke niile dịworo ndụ na mbara ala. Mgbe ndị dị otú ahụ a nnukwu size-acha anụnụ anụnụ baleen whales (ezé nke na-mepụtara nyo ngwa) nwere udo iwe ọkụ ma na-eri nanị plankton. ahu ya bụ gịrịgịrị, elongate, na a nnukwu isi, a ogologo nke 27% nke ngụkọta ahu. Blue whales na-ogologo biri: site dị iche iche estimations ndị ọkà mmụta sayensị, ha nkezi lifespan - 40-90 afọ. Nke a na ụdị cosmopolitan, ya akụkọ ebe obibi na-ekpuchi fọrọ nke nta niile osimiri. Ugbu a, ha nwere ike dị ukwuu na-adịkarịghị, n'ihi na a na-oge, ha bụ ndị na verge nke ikpochapu mmadụ.

bowhead whale

Baleen whales nke ụdị - bi oyi mmiri nke Northern Hemisphere. Ha nwere nnọọ nnukwu size - ruo 20 mita n'ogologo (nwanyị) na 18 m (nwoke) erikpu si 75 150 tọn. The amaba ka a ukwuu omimi (ruo 200 mita) na ike ise n'elu banyere 40 nkeji. Ha na-eji nkezi nke banyere 40 afọ. Ele na a na-amụ nke ọma, ebe ọ bụ ike na-akpa àgwà na-ekiri ha na aka ike Ọnọdụ Ihu Igwe. Ọ na-azụ na plankton.

Humpback whale (ogologo-agha whale)

Aha ya na iwu ji na-etolite anu ara dorsal nku azu-dị ka mkpumkpu azụ e ji mara na àgwà nkechi mgbe navigating. Ke akpa foto nke anyị nyochaa akara e ji mara humpback whale jumping si n'ime mmiri. Nke a bụ a pụtara nnukwu whale ogologo nke 14.5 m, ọ dịghị ihe ọzọ 17-18 mita na-erikpu 30 tọn. Si ọzọ whales dị iche iche ahụ na udi ma na agba, ekele nke ọ bụ omume ọbụna ịmata ndị mmadụ. Mustached humpback whale dị na niile n'akụkụ nke ụwa oké osimiri, ọ bụ ezie na ehighị nne bi na. Ọ chọọkwanụ-anọ offshore na ala gbara osimiri okirikiri ebe, nanị n'oge Mbugharị egwuru ka omimi. The ụdị nwere a ọnọdụ nke adịghị ike.

nku azu

Ọ na-ewe abụọ mgbe blue whale na size na ibu na ụmụ anụmanụ na (nọchiri n'elu). Abụọ ndị a dị iche iche na-agwakọta a nnọọ nso mmekọrịta. Mgbe ụfọdụ, e nwere ndị adọ ụdị ụfọdụ. Anyị maara ugbu a abụọ subspecies nke nku azu whales: North Atlantic na Antarctic, kwere na ịdị adị nke a nke atọ, dị ka ụfọdụ ndị ọkà mmụta sayensị. Ndị mmadụ n'otu n'otu bi na Northern Hemisphere, na ịghọ okenye iru a n'ogologo 24 m, na ndị bi na nke South - site 20 ruo 27 m, a baleen whales n'adịghị congeners ngwa ngwa bi na obere iche iche (6 anụmanụ) .. Finval miri aga (250m) na floats ngwa ngwa, ngwa ngwa 50 km kwa hour, mmiri nwere ike mụụrụ na-enweghị ikuku ruo 15 nkeji. Na mgbakwunye na mmadụ, eke iro nke whale na-enweghị. Ugbu a, Otú ọ dị, nku azu whale bụ obere na n'ihe ize ndụ.

sei

N'ihe ize ndụ umu nke ezinụlọ rorquals na-etolite ka a na ogologo nke 20 mita, erikpu banyere 30 tọn. The nri mejupụtara tumadi nke akwụkwọ azụ na crustaceans (gụnyere saithe) na cephalopods. Baleen whales ndụ na nkezi, afọ nke afọ 60. Sei ọma aga ka a omimi nke elu atọ narị mita na ike rute na ikuku ruo 20 nkeji. Active ekpochapụ nke ụdị malitere mgbe belatara ọnụ ọgụgụ nke-acha anụnụ anụnụ whales na nku azu whales. N'afọ 1986, ịkụ azụ maka ya kpam kpam machibidoro.

Bryde si whale

Kit nkezi uru ruo 14 m ogologo na-erikpu ruo 25 ise. Ọ nwere ihe elongated ahu bụ ọchịchịrị isi awọ na a ole na ole na-egbuke egbuke tụrụ (lee foto). A akụkụ pụrụ iche - ọ bụ atọ iche Mee-elu na n'elu isi. Ha na-ahọrọ na-ebi ndụ na ụzọ abụọ ma ọ bụ obere dị iche iche. More ma ọ bụ obere biri echiche Mbugharị obere na adabere nanị na ọnụnọ nke nri (tumadi azu, skwid). Baleen whales bụ nnọọ nkịtị na niile oké osimiri.

toothed whales

Na oge a suborder gụnyere 10 ezinụlọ, tinyere Azụ dolphin, monodontidae, kashalotovye, nchọpụta na dị ka. D. The iche mma bụ ọnụnọ na nha nha agha. Representatives nke toothed whales ike-atụle anụ, udia tumadi na azu, cephalopods, na ọbụna ndị ọzọ na mmiri mammals. Fọrọ nke nta niile iche iche nke size usụhọde aga na suborder, ha na-mobile na magburu onwe-egwu mmiri, ma e wezụga nke spam whale. Ọ na-eto ruo 20 m n'ogologo ma dịrị ihe banyere 50 tọn. The oyiyi nke a ìgwè ehi nke ndụ, na-ahọrọ ịnọ na nnukwu iche iche.

Ọzọ amamiihe nnọchiteanya nke toothed whales bụ nke na-egbu whale (nọchiri). Ekwo ekwo umu, eri ibe-enwe a dịgasị iche iche nke nri, onye ọ bụla bi ma specializes na a ụfọdụ azụ (e.g. azụ asa na Norwegian Sea).