Ostrich tis yog piv txwv. Lawv yog cov anatomically complex-raws li lawv xav tau los ua kom muaj kev sib tw hauv cov noog ya. Tab sis nyob rau hauv ostriches lawv ua tsis tshua muaj lub luag hauj lwm, xws li tshuav nyiaj li cas thaum lub sij hawm khiav thiab kev hais kwv txhiaj.
Vim li cas tus noog muaj tis yog nws ya tsis tau?
Ostriches, emus, cassowaries, rheas, thiab kiwis ya tsis tau. Tsis zoo li feem ntau cov noog, lawv cov pob txha tiaj tus tsis muaj keel uas cuam tshuam cov leeg pectoral uas xav tau rau kev ya. Lawv tis tis tsis tuaj yeem nqa lawv lub cev hnyav tawm hauv av.
Yuav ua li cas yog tus tis ntawm tus noog?
Yog lawv ya tsis tau, ua cas lawv muaj tis? Rau ib yam, ostriches tuav lawv tis tawm los pab lawv sib npaug thaum lawv khiav, tshwj xeeb tshaj yog tias lawv hloov pauv kev coj noj coj ua. Lawv qhov kev siv tseem ceeb, txawm li cas los xij, nrog rau cov plaub hau, yog rau nthuav qhia thiab kev sib tham.
Ostriches puas tau ya ib zaug?
Big Flightless Birds Los Ntawm Huab Tais Ntuj Huab Tais Huab Tais Yes Xus zoo siab kawg nkaus ostriches and emus don't fly. Tab sis tam sim no DNA pov thawj qhia tias lawv cov poj koob yawm txwv tau ya mus rau txhua lub teb chaws, qhov chaw lawv hloov zuj zus mus rau hauv cov loj loj nrog cov tis stubby.
Tus noog twg tsis muaj tis ntawm txhua tus noog?
Flightless noog yog cov noog uas dhau los ntawm evolution poob lub peev xwm ya. Muaj ntau tshaj li 60 hom tsiaj, suav nrog cov ratites paub zoo (ostriches, emu, cassowaries, rheas, thiab kiwi) thiab penguins. Cov noog me tshaj plaws uas tsis muaj kev sib tw yog qhov tsis nkag mus rau Island rail (ntev 12.5 cm, hnyav 34.7 g).
