Ya nas: gliding nas

Ya nas yog muaj hmoo: maj mam, xws li ib tug Chinchilla, uas nws yog them, yog heev yooj yim mus muab nqi phua ntiag thiab ua rau nws tus tswv lub hom phiaj hom. Yog li ntawd, lub ya nas yog tseem ntau nyob rau hauv Teb chaws Europe thiab Asia. Lub cheeb tsam ntawm muab faib rau tib yam ya nas - hav zoov cheeb tsam. Nyob rau hauv Siberia, lub yav qab teb ciam ntawm lub ntau yam yog tsawg dua nyob rau hauv European lub teb chaws, thiab coincides nrog tus ciam ntawm cov hav zoov tsam. Nyob rau hauv sab qaum teb, ya squirrels kis yog tsuas yog siv rau lub taiga tsam. Lawv muaj peev xwm yuav nrhiav tau qhov txhia chaw, tab sis xav kom khom ya squirrels nyob rau hauv lub hav zoov, yeej los ntawm deciduous ntoo hom - Alder thiab birch. Birch thiab Alder catkins ua si ib qho tseem ceeb luag hauj lwm nyob rau hauv cov khoom noj, lawv txawm ya squirrels tua rau lub caij ntuj no.

Raws li cov kev faib ya squirrels subfamily belongs rau tsev neeg protein, thiab hais tias nyob rau hauv lem - nyob rau hauv nas tub cheev xwm. Ya squirrels subfamily muaj xws li kaum tsib genera. Qhov loj tshaj plaws cov neeg sawv cev yog taguany uas nyob hauv lub teb chaws sov forests ntawm Southeast Asia. Lub cev ntev ntawm lawv - rau caum centimeters. Lawv yog cov tsis muaj hmoo tshaj Lavxias teb sab ya nas. Txawm li cas los, lawv cov tawv nqaij kuj muaj tsis muaj coj mus muag nqi, tiam sis lawv yog cov sib txawv, cov gastronomic nqi. Nqaij taguanov City noj.

Peb ya squirrels ho ua tsis tau zoo rau lawv nyob rau hauv loj. lub cev ntev tsis muaj ib tug Tsov tus tw - tsis muaj ntau tshaj nees nkaum-ob centimeters. Ya nas txawv los ntawm lub ntau zoo-paub tias "cov pa" counterpart muaj tawv week nyob rau sab ntawm lub pob tw, ntawm txoj cai pem hauv ntej thiab cov cai nram qab ob txhais ceg, thiab nyob rau sab nraud.
Thaum qhov kev nyab xeeb ntawm ib tug protein ua jumps hais tias, ua tsaug rau lub week, muaj ntev heev - txog li caum meters. Nws yog ib, es, twb tsis dhia, thiab ya davhlau npaj.

Tsaug rau no feature, lub ya nas yog tsis tshua muaj descends mus rau hauv av, yog li ntawd muaj yog tsis muaj yuav tsum tau: lub tsev rau nws tsob ntoo, txav los ntawm tsob ntoo rau tsob ntoo nyob rau hauv lub hav zoov nyob ib yam nrug dhia - yooj yim. Khoom noj khoom haus yog tseem nyob rau tsob ntoo. Yuav ua li cas noj ib ya nas?

Nws prefers lub buds ntawm cov ntoo - ob qho tag nrho deciduous thiab coniferous hom, tab sis tseem prefers Alder thiab birch. Ntxiv mus, ya squirrels ntawv qhia zaub mov muaj birch ntoo, Maple thiab Aspen, thiab cov ntoo ntawm lub tsev neeg Salicaceae, thiab ntoo thuv ceev.

Ya nas me ntsis hnov nyob rau hauv lub hav zoov zoo li ib tug tiag tiag commandos, nws muaj odezhku camouflage xim. Tej ntau haiv neeg yog zoo tagnrho rau cov hav zoov thicket. Plhis ya nas raws li zoo raws li lub li ib txwm muaj protein ntau, ob zaug ib xyoos.

Ya nas nyob rau hauv lub hollows ntawm cov ntoo thiab nyob rau hauv lub cheeb tsam ntawm tib neeg habitation yuav khom txawm nyob rau hauv lub Tsev noog. Contrary kom nrov kev ntseeg, thaum lub sij hawm sib ntaus ntawm ib tug nas tus tw ua raws li ib tug ko tw nyoob hoom tsis, raws li ib tug stabilizer, thiab nyob rau hauv "tsaws" rau lub cev los yog ceg ntseeg - thiab txawm raws li ib tug nres. "Belkin tsev" yuav muaj nyob tawg khiav ri niab nyob ze ntawm lub seem ntawm nws noj mov.

Hluas ya squirrels daug lawm tsib lub lis piam nyob rau hauv ib tug khib yog yug los es muaj ob tug los yog plaub qhov muag tsis pom nas uas tau txais lawv pom, tsuas yog ob lub lis piam tom qab. Txawm li cas los, tom qab ntawd, lawv loj hlob sai sai heev. Ib lub hlis tom qab, tus tub hluas ya nas nimbly dhia los ntawm tsob ntoo rau tsob ntoo, txawj gliding davhlau. Thiab tsib caug hnub tom qab yug tus me nyuam, lawv xav tias laus txaus thiab ywj siab mus tas li tawm hauv nws txiv lub (zoo, los yog niam) tsev. Txawm li cas los, lawv feem ntau yog khom nyob ze: ze cov txheeb ze feem ntau muaj ib lub tsev nyob rau hauv tib tsob ntoo, txawm hais tias txhua yam nws muaj nws tus kheej "chav tsev" nrog ib tug nyias muaj nyias ib nkag.

Ntawm no yog ib tug nws - ib tug ya nas. Cov duab no charming tsiaj nyob rau hauv sib ntaus - ib tug qauv ntawm txoj kev hlub. Txawm li cas los, lawv cov duab yog nyuab los ntawm qhov tseeb hais tias ya squirrels yog feem ntau nocturnal.