Yuav ua li cas yog lub ntiaj teb no tus ceev tshaj kab?

Txawm cov me nyuam paub hais tias tus ceev tshaj tsiaj nyob rau hauv lub ntiaj teb no - ib tug tsov pom teev. Nws yog nyob rau ib tug luv luv deb accelerates mus rau ib tug ceev ntawm 130 km / h thiab yuav ntes lub tsheb! Koj puas paub tias dab tsi hauv lub ntiaj teb tus ceev tshaj kab? Tsab xov xwm yuav teb lo lus nug no.

Yuav ua li cas yog tus ceev tshaj kab?

Zaum tau pom hais tias tus ceev tshaj plaws kab nyob rau hauv lub ntiaj teb no, los yog ib tug qaus liv Australian Austrophlebia costalis. Nws yog tau los tsim ib tug ceev ntawm 50-55 km / h! Nws txawm coj nyob rau hauv lub Guinness Phau Ntawv Cov Ntaub Ntawv raws li cov ceev tshaj plaws tshuaj tua kab nyob rau hauv lub ntiaj teb no, teev cov kev ceev ntawm nws davhlau mus rau 58 km / h! Muaj ntau zaum tau qhia hais tias raws li lawv lub tswvyim thiab cov lus teb Austrophlebia costalis muaj peev xwm rau ib feem ntawm qhov kev ncua deb ntawm 100 km. Txawm li cas los, sau ua ntaub ntawv no qhov tseeb yog tseem tsis tau tsau.

amazing davhlau

Tsim superspeed, qaus liv avtraliyskaya lawv tis ua 100-150 cwj nrag ib ob! Cov tib neeg qhov muag yog tsis muaj peev xwm kom khiav ntawm nws taw, flapping tracked siv tshwj xeeb supertochnoy appartury. Cov ntaub ntawv twb tau heev nyuam qhuav - nyob rau hauv 1999.

Thaum lub sij hawm txoj kev kawm Austrophlebia costalis entomologists pom hais tias qhov no yog lub ntiaj teb no tus ceev tshaj kab yog tau kov yeej ib tug lossis loj kev ncua deb - txhiab tus kilometers! Feem ntau, txawm nyob rau hauv lub qhib dej hiav txwv, muaj cov dragonflies, thiab lawv raug muab tshem tawm los ntawm 1,700 kilometers los yog ntau tshaj los ntawm lawv cov tas mus li vaj tse.

Qhov tshwj xeeb qauv ntawm cov tis

Los ntawm txoj kev, heev sai sai ya tag nrho cov qaus liv, tsis yog ib tug Australian. High ceev ntawm lub davhlau yog muab ib tug tshwj xeeb ntaus ntawv Makhov flaps. Nws yog noteworthy uas zoo Maneuvering qaus liv waving mus rau pem hauv ntej thiab nram qab lub tis ib lub sij hawm, thiab ua rau kom cov kev ceev ntawm lub davhlau - nyob rau tib lub sij hawm. Raws li lawv cov pob tshab tis los ze zog mus rau lub sab saum toj muaj pterostigma - cuticular thooj, muaj raws ntawm ntau tuab thiab pigmented leeg zoo li ib tug temnokorashenny site. Pterostigma ua xws zog pab vim weighting sab saum toj tis tsub kom lub amplitude ntawm nws cov amplitude, ntxiv zog rau nws cov pem hauv ntej ntug, dampens co thiab tej self-oscillation ntawm lub tis thaum cov tshuaj tua kab airspeed txwv.

piav

Nyob rau hauv tas li ntawd mus rau ib qaus liv - tus ceev tshaj nyob rau hauv lub ntiaj teb no ntawm kab, nws kuj yog ib tug zoo kawg nkaus creation. Lawv nyob ntev ua ntej cov dinosaurs, ua ib tug ntawm cov feem ntau ancient creatures ntawm cov ntiaj chaw. Raws li zaum no yog thawj rau dragonflies nyob rau hauv lub ntiaj teb no muaj mastered airspace.

Nws yog noteworthy tias nyob rau hauv lub chav kawm ntawm evolution ntau lab xyoo, cov kab tsis tau hloov. Prehistoric "rocker" (raws li lawv yog popularly hu ua) ntsia xwb raws li niaj hnub.

Qaus liv - ib tug predator. Tsis yog tus twg tus neeg muaj peev xwm tsis tau tam sim ntawd los ntawm nws, raws li nws yog lub ntiaj teb no tus ceev tshaj kab kuj yog ib tug zoo yos hav zoov: nws captures yoov tshaj cum, yoov thiab midges rau tus yoov, nyob rau hauv ib feem ntawm vib nas this defining lawv txoj kev ntawm sib ntaus thiab lub kaum sab xis ntawm uas nws yog ib feem ntau yooj yim rau muab prey. Qaus liv no yeej tsis ncaj ncees lawm! Thiab nws yog heev voracious. Cia li ib teev tau txais thiab noj 50 yoov.

xav pom kev

Tab sis qhov tseem amazing feature ntawm "rocker" - cov qauv ntawm nws cov loj loj ob lub qhov muag. Ncav, lawv hu ua ncau. Nws zoo li ob tug loj convex lub voj voog, nyob rau lub sab ntawm lub taub hau, tsis txawj. Tsim ntawm 30,000 tus neeg qhov - seb, txhua tus uas pom ib tug me me ib feem ntawm lub ntiaj teb no, thiab ua ke lawv muab tej mosaic daim duab. Ntxiv mus, ib tug saib xyuas ntawm dragonflies npog yuav luag 360 degrees, uas yog, nws pom tag nrho cov hauv pem hauv ntej, sab thiab rov qab nyob rau tib lub sij hawm. Lower qhov muag-kev seevcev paub qhov txawv xim, tab sis tsuas yog tus sab sauv zoo ntawm cov khoom.

Cov soj ntsuam ntawm pom tias cov dragonflies yog heev luv luv-sighted, lawv pib mus saib kom meej meej rau ib tug deb ntawm tsuas yog ob tug meters, tab sis lawv muaj zoo maneuverability, precision davhlau thiab ceev ntawm cov tshuaj tiv thaiv. Yuav ua li cas yog nws ua tau rau zaum tseem yog ib tug paub tsis meej.

Tam sim no uas koj paub tias dab tsi kab yog tus ceev tshaj nyob rau hauv lub ntiaj teb no, thiab yog dab tsi nta nws txawv.