Mary Allen
Qav tshuaj lom dart frog yog nyob ntawm cov qav. Lub npe lom yog tshuaj lom dart qav. Kuj tseem muaj lub npe thib peb uas mus zoo nrog lawv: xim qav.
Lub npe tshuaj lom dart qav los ntawm ib tug peculiarity: ntawm nws daim tawv nqaij, muaj ib tug tshuaj lom siv rau tshuaj lom arrowheads. Cov neeg hauv zos ntes cov kab mob lom dart qav. Lawv streak lawv darts ntawm cov qav 's tawv nqaij thiab tua lawv nrog blowguns. Cov tsiaj raug ntaus yuav tuag tes tuag taw thiab tuaj yeem sau tau.
Poison dart frogs tsuas yog pom nyob rau hauv Central America nyob ib ncig ntawm lub equator, piv txwv li nyob rau hauv rainforest. Lawv tus yeeb ncuab loj tshaj plaws yog ib tug txiv neej vim thaum nws hlais hav zoov, nws rhuav tshem lawv tej vaj tse. Tab sis kuj muaj cov fungi uas lom dart qav tuaj yeem kis tau. Lawv tuag ntawm nws.
Yuav ua li cas tshuaj lom dart frogs nyob?
Poison dart Qav yog me me, txog 1-5 centimeters. Lawv feem ntau nteg lawv cov qe, piv txwv li lawv cov qe, ntawm nplooj ntoo. Nyob ntawd nws yog txaus av los yog txawm ntub nyob rau hauv rainforest. Cov txiv neej zov lub qe. Yog hais tias nws puas tau qhuav dhau lawm, lawv pee rau nws.
Cov txiv neej tso cov tadpoles hatched nyob rau hauv me me pas dej ua ke, uas tseem nyob rau hauv rab rawg ntawm nplooj. Cov tadpoles tseem tsis tau tiv thaiv los ntawm tshuaj lom. Lawv siv sijhawm li 6-14 lub lis piam kom loj hlob mus rau hauv cov qav kom zoo.
Qav noj prey uas muaj cov tshuaj lom. Tab sis qhov ntawd tsis thab nws lub cev. Cov tshuaj lom ces nkag rau ntawm Qav daim tawv nqaij. Qhov no tiv thaiv lawv los ntawm predators. Cov tshuaj lom yog ib qho muaj zog tshaj plaws hauv lub ntiaj teb.
Tab sis kuj tseem muaj cov qav uas muaj xim uas tsis muaj cov xub tshuaj lom ntawm lawv cov tawv nqaij lawv tus kheej. Lawv tsuas tau txais txiaj ntsig los ntawm lwm tus, yog li lawv "bluff". Nab thiab lwm yam yeeb ncuab raug ceeb toom los ntawm cov xim thiab tawm ntawm cov qav uas tsis muaj tshuaj lom nyob ib leeg.