Plaub foob: Artist thiab ntse

Northern plaub foob twb qhib ua tsaug rau Lavxias teb sab naval ntoj ke mus kawm, uas nyob ntawm lub hauv paus pib ntawm txawm huab tais Peter lub Great. Teem rau lawv nyob rau lub tswv yim ntawm txoj kev tuag kev tshawb nrhiav ntawm cov huab Northeast faj tim teb chaws twb embodied nyob rau hauv lub ob Kamchatka ntoj ke mus kawm coj los Vitus Bering. Thaum lub sij hawm thib ob ntoj ke mus kawm raws li ib tug tshwm sim ntawm shipwreck sailors raug yuam kom siv lub caij ntuj no nyob rau hauv cov kob, uas yog ces muab lub npe Bering. Assistant Bering Georg Steller, naturalist thiab tus kws kho mob, nrhiav tau nyob rau hauv cov kob rookeries txawv tej tsiaj txhu. Txij li thaum Europeans thawj kawm zoo li cas ntawm cov tsiaj - plaub foob. Steller tom qab tshuav cov ntaubntawv povthawj siv, nyob rau hauv uas tus naas ej Swedish biologist Karl Linney txwv kom muab zais thiab tsis paub hais tias sab qaum teb tsiaj.

Nws yog ib qhov nyuaj rau hais tias yog vim li cas Steller txiav txim siab los hu cov tsiaj tom tsov ntxhuav. Lub suab uas lawv ua, tsis muaj ib tug tsiaj plaub ntxhov tsiaj purring tsis muaj dab tsi. Tej zaum lawv plaub Steller ciali zoo li ib tug miv? Tsis tas li ntawd tsis zoo li.

Plaub foob belongs rau tsev neeg ntawm eared cov ntsaws ruaj ruaj. Nws yog ib tug carnivorous tsiaj txau tsuas yog nyob rau ntses. Interestingly, lub hiav txwv tom tsov ntxhuav, ib yam nkaus thiab, yog mus rau lub tsev neeg ntawm eared cov ntsaws ruaj ruaj, feem ntau nyob rau hauv kev sib tw nrog lub ntsaws ruaj ruaj ntawm lub chaw ntug hiav chaw uas zoo heev. Qhov tseeb hais tias lub sij hawm ntawm tu tub tu kiv ntawm ob overlap, thiab lub sij hawm no hauv caug npaj "showdown", ua rau oust competitors los ntawm lub chaw tsim rau cov maum nrog me nyuam mos nyuj. Hiav txwv tom tsov ntxhuav yog loj npaum li cas, thiab nyob rau hauv lub nriaj, "ib tug nyob rau ib tug" nws yuav inevitably kov yeej txhua yam. Tab sis lub plaub foob thiab tsis nrhiav los npaj kev sib ntaus los. Siv lub fact tias nws yog ntau npaum li cas agile, miv sau cov txheeb ze thiab lawv plaub los yog tsib lub Steller hiav txwv tsov ntxhuav nres ntawm txawv sab. Nyob rau hauv cov ntaub ntawv no, mus twv seb lub txiaj ntsim ntawm kev sib ntaus yog ib qhov nyuaj. Feem ntau nws kuj tshwm sim hais tias lub hiav txwv tsov ntxhuav, hneev mus rau ib tug me me thiab khav aggressors, tawm hauv lub disputed territory.

Txawm li cas los, hais tias lub plaub foob - me me, yog tsis muaj tseeb nkaus. txiv neej lub cev ntev yog ob puas thiab nees nkaum centimeters, thiab tus luj kis rau peb quintals. Cov maum yog tsawg loj heev: lawv "kev loj hlob" - ib puas thiab plaub caug centimeters, thiab poob - tsis ntau tshaj li xya caum kilograms.

Areal plaub foob - sab qaum teb yog ib feem ntawm lub Pacific hiav txwv. Txoj cai tom qab cov neeg tau ntsib nrog rau qhov no tsiaj, nws pib mus yos hav zoov. Lub homphiaj ntawm kev muaj siab muaj pov thawj zoo plaub. Nyob rau hauv nruab nrab ntawm lub xyoo pua, tus xov tooj ntawm cov ntsaws ruaj ruaj yog cia li zoo kawg. Tab sis cov neeg twb dhau lawm siab hlob. Hunted rau centuries, thiab mus rau lub mid-thib nees nkaum xyoo pua saib yog nyob rau hauv kev hem thawj ntawm extinction. Tab sis, ua Vajtswv tsaug, neeg pom tau hais tias nws nyob rau lub sij hawm. Nyob rau hauv 1957, nws tau saws lub International Convention rau kev tiv thaiv ntawm pluab cov ntsaws ruaj ruaj. Lawv tus xov tooj pib kom zoo. Leej twg yog nuv ntses nyob rau hauv heev tsawg pluas. Muaj ntau qhov chaw, tshwj xeeb tshaj yog nyob qhov twg muaj heev heev rookery cov ntsaws ruaj ruaj khoob lug cia. Nyob rau hauv kev, Foob Island, uas yog ib lub npe ntawm ib yam dab tsi yog vim hais tias ntawm qhov tseeb hais tias lub xov tooj ntawm pinnipeds nws yog heev zoo.

Navy cov ntsaws ruaj ruaj yog kawm tau yooj yim, yog vim li cas lawv thiaj li nrov ntawm circus neeg ua yeeb yam. Cov tsiaj - yug tightrope walkers, thiab deftly juggle khoom nyob rau hauv lub circus nplhaib los yog lwm yam khoom. Tej zaum, los ntawm lub tsev neeg ntawm cov ntsaws ruaj ruaj muaj lub siab tshaj plaws IQ nws yog plaub foob. Diam duab views thiab attractions, qhov twg lub protagonist yog ib tug miv, muaj li qhia siv kuj qhia nws cov high artistry thiab txawj ntse.