Flying squirrel: gliding nas

Flying squirrel: gliding nas
Flying squirrel: gliding nas

Video: Flying squirrel: gliding nas

Video: Flying squirrel: gliding nas
Video: Flying Squirrels and The Animals that Fall With Style 2024, Hlis ntuj nqeg
Anonim

Tus squirrel ya muaj hmoo: lub ilv, zoo li chinchilla-zoo li cov plaub uas nws tau npog yog tsis yooj yim sua kom muab cov tawv nqaij muaj txiaj ntsig thiab ua rau nws tus tswv ua khoom nuv ntses. Yog li ntawd, ya squirrels tseem muaj thoob plaws hauv Europe thiab hauv Asia.

Flying squirrel
Flying squirrel

Qhov chaw faib cov squirrel ya yog thaj tsam hav zoov. Nyob rau hauv Siberia, sab qab teb ciam teb ntawm qhov ntau yog nyob qis dua nyob rau hauv European ib feem ntawm lub teb chaws, thiab coincides nrog ciam teb ntawm hav zoov-steppe cheeb tsam. Nyob rau sab qaum teb, kev faib cov squirrels ya yog txwv rau thaj tsam taiga. Lawv tuaj yeem pom nyob txhua qhov chaw, tab sis ya squirrels nyiam nyob hauv hav zoov uas muaj cov ntoo deciduous - alder thiab birch. Birch thiab alder catkins ua lub luag haujlwm tseem ceeb hauv kev noj zaub mov, ya squirrels txawm npaj rau lub caij ntuj no.

Raws li kev faib tawm ntawm kev tshawb fawb, cov tsev neeg ntawm cov ya ya ya tau suav nrog hauv tsev neeg ntawm squirrels, thiab tom qab ntawd, dhau los, hauv kev txiav txim ntawm nas. Lub subfamily ntawm ya squirrels muaj kaum tsib genera. Cov neeg sawv cev loj tshaj plaws yog taguanas nyob hauv hav zoov hav zoov hav zoov ntawm Southeast Asia. Lawv lub cev ntev mus txog rau caum centimeters. Lawv tsis tshua muaj hmoo tshaj li Lavxias teb sab squirrels. Muaj tseeb, lawv cov tawv nqaij kuj tsis muaj kev lag luamtus nqi, tab sis lawv muaj qhov sib txawv, tus nqi gastronomic. Taguan nqaij yog neeg noj.

ya squirrels
ya squirrels

Peb cov squirrels ya tau qis dua lawv qhov loj. Qhov ntev ntawm lub cev tsis muaj tus Tsov tus tw yog tsis ntau tshaj nees nkaum-ob centimeters. Cov ya ya ya txawv ntawm nws qhov kev paub zoo tshaj "zoo ib yam" los ntawm cov tawv nqaij ntawm ob sab ntawm lub cev: nruab nrab ntawm sab xis pem hauv ntej thiab sab xis hind ob txhais ceg, thiab sab nraud.

Thaum muaj xwm txheej tshwm sim, squirrel jumps, uas, vim muaj cov membranes, muaj qhov ntev tsis txaus ntseeg - mus txog rau caum meters. Qhov no yuav tsis txawm dhia, tab sis gliding ya.

Ua tsaug rau qhov no, cov squirrel ya tsis tshua nqis los rau hauv av, thiab tsis tas yuav tsum tau: nws lub tsev nyob hauv ib tsob ntoo, txav ntawm tsob ntoo mus rau tsob ntoo hauv hav zoov nrog xws li thiab dhia deb yog yooj yim li shelling pears. Nws kuj nrhiav zaub mov ntawm tsob ntoo. Tus nas ya ya noj dab tsi?

Nws nyiam cov ntoo ntawm cov ntoo - ob qho tib si deciduous thiab coniferous, tab sis tseem nyiam alder thiab birch. Tsis tas li ntawd, ya squirrel cov zaub mov muaj birch, maple thiab aspen bark, nrog rau willow thiab ntoo thuv txiv ntoo.

Tus squirrel ya tsis tshua pom nyob rau hauv hav zoov: zoo li ib tug tiag tiag commando, nws muaj camouflage khaub ncaws. Xws li variegation yog zoo tagnrho rau cov hav zoov thicket. Tus squirrel ya ib yam li ib tug squirrel, ob zaug ib xyoos.

flying squirrel yees duab
flying squirrel yees duab

Tus ya squirrel nyob hauv qhov khoob ntawm cov ntoo, thiab nyob ze tib neeg nws tuaj yeem nyob hauv cov noog. Contrary to popular kev ntseeg, thaum ya, tus Tsov tus twNyob rau hauv ib tug squirrel, nws plays lub luag hauj lwm tsis yog ib tug rudder, tab sis ntawm ib tug stabilizer, thiab thaum "tsov" ntawm lub cev los yog ceg, nws kuj plays lub luag hauj lwm ntawm ib tug nres. Belkin Lub Tsev tuaj yeem pom nyob rau hauv qhov seem ntawm nws pluas noj uas nyob ze.

Yav squirrels dais cubs tau tsib lub lis piam, ob los yog plaub lub qhov muag dig muag squirrels yug hauv ib lub litter, uas pib pom meej tom qab ob lub lis piam. Muaj tseeb tiag, tom qab ntawd lawv loj hlob sai heev. Ib hlis tom qab, cov tub ntxhais hluas ya squirrels deftly dhia ntawm tsob ntoo mus rau tsob ntoo, mastering gliding flight. Thiab tsib caug hnub tom qab yug me nyuam, lawv xav tias muaj hnub nyoog txaus thiab muaj kev ywj pheej txaus los tawm hauv lawv txiv (zoo, lossis niam) lub tsev mus ib txhis. Muaj tseeb tiag, lawv feem ntau nyob tsis deb: cov neeg txheeb ze feem ntau muaj tsev nyob ntawm tib tsob ntoo, txawm tias txhua tus muaj lawv tus kheej "chav tsev" nrog rau qhov nkag.

Ntawm nws yog - a squirrel ya. Daim duab ntawm tus tsiaj ntxim nyiam no hauv kev ya davhlau yog qhov piv txwv ntawm kev tshav ntuj. Muaj tseeb tiag, kev yees duab lawv yog qhov nyuaj vim tias ya squirrels feem ntau yog thaum nruab hnub.

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