Yog vim li cas cov noog ya thiab tsis poob?

Heev feem ntau, cov neeg admiring kev zoo nkauj ntawm lub ntuj, wondering: yog vim li cas cov noog ya? Vim li cas ib tug txiv neej tsis muab rau cia li yuj siab nyob rau hauv lub ntuj, admiring kev zoo nkauj ntawm lub ntiaj teb los ntawm ib tug qhov siab?

Cov lus teb no yog cuab kev. Ua ntej ntawm tag nrho cov, cov noog muaj tis uas tsis muaj nyob rau hauv tib neeg. Thiab yog hais tias koj saib nyob rau ib tug noog tus tis zoo dua, peb pom hais tias nws muaj ib tug nkhaus zoo thiab muaj peev xwm sawv ntawm kev tsim ib tug quab yuam uas yog counteracts lub ntiajteb txawj nqus.

Noog plaub - nws yog heev yooj yim, tab sis nws yog ib qhov nyuaj rau horny daim tawv nqaij tsim, uas nyob rau hauv lub chav kawm ntawm evolution hloov los ntawm cov dos ntawm cov tsiaj reptiles. Nws yog ua tsaug rau lub plaub ntawm lub cev du nto ntawm cov noog, thiab thaum twg nws yoov, cov huab cua ntws ib ncig ntawm nws npog tas ib ce tsis muaj ntau npaum li cas kuj.

Cev pob txha nyob rau hauv cov noog yog heev lub teeb. Ob peb cov pob txha nws muaj pneumatic kab noj hniav. Lawv tsis muaj lub hlwb pob txha, raws li cov neeg. Qhov no yog lwm cov lus teb rau cov nqe lus nug ntawm yog vim li cas cov noog flies, thiab cov neeg tsis muaj.

Nyob rau hauv cov noog, ib tug loj lub plawv, raws li thaum lub sij hawm lub davhlau nws yuav tsum xyuas kom meej sai cov ntshav ncig. Nyob rau hauv tas li ntawd, lawv cov ntshav muaj ntau cov ntshav liab tshaj nyob rau hauv tib lub hom tsiaj, uas txhais tau tias cov ntshav ntawm cov noog yuav nqa ntau oxygen ib chav tsev ntawm lub sij hawm, uas yog qhov tseem ceeb rau davhlau.

Noog muaj ib tug zoo-tsim ntsws. Lawv yog txuam nrog rau cov hnab yas, uas yog nyob rau hauv lub cev muaj kab noj hniav. Nyob rau hauv tas li ntawd, lawv muaj ib tug heev zoo tsim cerebellum, uas tswj kom sib haum. Tag nrho cov no yog heev tseem ceeb rau hauv lub davhlau.

Muaj gliding thiab flapping davhlau hom. Npaj cov yam ntxwv ntawm txhom xws li dav dawb hau, dav los yog dav dawb hau. Waving muab faib mus rau hauv kab rov tav davhlau, thiab khov. Feem ntau ntawm cov noog ntxuaj lawv tis, tiam sis cov gulls thiab cormorants yuj nyob rau hauv lub davhlau.

Uas noog yoov saum toj no tag nrho cov

Ntawm no, cov undisputed thawj coj yog cov neeg Asmeskas cov lib nyug (hais txog cov dav npoj ya siab). Nrog nws koom tes tau sau tseg rau qhov kev tshwm sim. Nyob rau hauv nruab nrab-seventies ntawm lub xeem caug xyoo ib ntawm cov lib nyug collided nrog ib tug dav hlau. Thiab nws tshwm sim nyob rau ntawm ib qhov chaw siab tshaj ntawm 11,000 meters (Kuv yuav tsum hais tias Everest yog 2 km hauv qab no qhov siab).

Vim li cas cov noog ya siab, los yog es yog vim li cas? Yog li ntawd saib tawm rau txhom nws prey. Lwm yog hais txog migrating neeg. Piv txwv li, lub Indian tsa us nyob rau hauv lub davhlau saum toj no lub peaks ntawm lub Himalayas, thaum ya ntawm Tibet thiab Is Nrias teb, thiab ua nws ob zaug ib xyoos.

Uas noog yog marine hom? Seabirds nyiaj rau tsis yog li ntawd ntau ntau yam - lawv tsuas yog ib tug me ntsis ntau tshaj li 200 ntawm lub 9500 hom noog tag nrho cov niaj hnub fauna. Cov no muaj xws cov neeg sawv cev ntawm lub tubular-: petrels, albatrosses, petrels. Feem ntau cov copepods: frigates, cormorants, pubescent, chaises. Nws kuj muaj xws li gulls, eider os, puffins, razorbills, guillemots, thiab, ntawm chav kawm, penguins.

Loons thiab cormorants yuav hu ua feathered submarines, uas yog zoo dhia dej thiab da dej nyob rau hauv dej. Thiab ntawm no nws yog tsim nyog nug "vim li cas cov noog ya," tsis tau "vim li cas cov noog yog ya." Tubrog nkoj noog tau webbed cov paws thiab uas hau uas npog lub qhov ntswg thaum dhia.

Los ntawm txoj kev, seabirds es clumsy txav rau daim av. Feem ntau ntawm cov sij hawm uas lawv muaj nyob rau hauv cov dej, noj ntses. Thiab thaum lawv ntsaub rau nws, ces mus txog speeds txog li 3 meters ib ob, thiab mus rau ib tug tob ntawm ob peb kaum ntawm meters.