Mary Allen
Dwarf otters yog cov tsiaj ntxim hlub heev: cov me me no muaj cov paws pem hauv ntej uas zoo li peb txhais tes thiab lawv tuaj yeem tuav lawv cov tsiaj nyeg.
Cov yam ntxwv
Esxias dwarf otters zoo li cas?
Dwarf otters nyob rau qhov kev txiav txim ntawm carnivores thiab muaj rau tsev neeg marten. Nyob rau hauv no, lawv tsim lub subfamily ntawm otters thiab muaj nyob rau hauv lem mus rau lub genus ntawm tus ntiv tes otters. Lawv muaj npe vim hais tias lawv cov paws pem hauv ntej zoo li tib neeg txhais tes, lawv cov claws luv heev thiab lawv cov ntiv tes tsis protrude.
Lawv, yog li ntawd, saib me ntsis zoo li tib neeg cov ntiv tes. Qee lub sij hawm cov tsiaj no kuj hu ua luv-clawed vipers. Zoo ib yam li peb haiv neeg, dwarf otters muaj lub cev elongated, lub taub hau me ntsis flattened thiab dav, ob txhais ceg yog luv thiab muaj zog. Pob ntseg me me thiab puag ncig, lawv tuaj yeem - zoo li lub qhov ntswg - raug kaw thaum ua luam dej thiab dhia dej.
Zoo li tag nrho cov otters, pygmy otters zoo yoog rau lub neej hauv dej: cov plaub hau - ib qho ntawm cov densest nyob rau hauv lub nceeg vaj tsiaj - yog impermeable rau dej. Nws muaj ib lub tsho hauv qab thiab lub tsho sab saum toj uas yog du thiab ci. Lub cev sab sauv yog xim av tsaus lossis tshauv grey, lub plab yog xim sib dua, lub caj pas yuav luag dawb.
Lawv muaj cov kab nruab nrab ntawm lawv cov ntiv taw, tab sis cov no tsis tshua tsim nyob rau hauv pem hauv ntej paws thiab tsim tsawg dua ntawm hind paws dua li lwm hom otter, uas yog vim li cas tus ntiv tes ntawm tes yog ntau dua. Nrog rau qhov tshwj xeeb no, lawv txawv heev los ntawm lwm cov otters, uas tau tshaj tawm cov webs ntawm lawv cov ntiv taw.
Dwarf otters ntsuas los ntawm lub taub hau mus rau hauv qab ntawm 41 thiab 64 centimeters, tus Tsov tus tw ntsuas ntxiv 25-35 centimeters. Lawv hnyav 2.7 txog 5.5 kg. Cov txiv neej nyob nruab nrab ntawm 25 feem pua loj dua cov poj niam.
Esxias dwarf otters nyob qhov twg?
Dwarf otters nyob hauv tsev hauv Asia. Lawv tuaj yeem pom nyob rau hauv Is Nrias teb, Cov Neeg Esxias Qab Teb Hnub Tuaj, yav qab teb Tuam Tshoj, Indonesia, Sri Lanka, Malay Peninsula, Borneo, thiab qee lub tebchaws Esxias sab hnub tuaj txog rau Philippines.
Zoo li txhua tus otters, pygmy otters nyob feem ntau hauv dej. Lawv nyob hauv cov dej ntws thiab cov estuaries, uas yog densely guarded nrog bushes thiab undergrowth. Tab sis lawv kuj tuaj yeem pom ntawm ntug hiav txwv hiav txwv. Qee lub sij hawm lawv txawm ua liaj ua teb ua liaj ua teb uas muaj dej nyab.
Puas yog cov neeg Esxias dwarf otters nyob ntawd?
Lub subfamily ntawm otters suav nrog dwarf otters, otters, hiav txwv otters, me-clawed otters, thiab South American loj heev otters, uas muaj peev xwm hnyav txog li 20 kilograms. Cov txheeb ze ze ntawm cov neeg Esxias dwarf otter yog African-ntiv tes otters.
Puas yog Asian dwarf otters tau muaj hnub nyoog li cas?
Dwarf otters nyob txog 15 xyoo.
Coj cwj pwm
Esxias dwarf otters nyob li cas?
Dwarf otters yog qhov tsawg tshaj plaws ntawm tag nrho cov otters. Tsis zoo li peb haiv neeg, dwarf otters yog cov tsiaj sib raug zoo: Lawv nyob hauv tsev neeg nrog rau kaum ob tus tsiaj. Lawv txawm mus yos hav zoov ua ke. Dwarf otters ua si ntau nrog ib leeg thiab kuj ua ntau lub suab sib txawv uas lawv yeej "sib tham" nrog ib leeg.
Dwarf otters txawv ntawm lwm tus otters nyob rau hauv lwm txoj kev coj tus cwj pwm: lawv tsis lob lawv cov tsiaj nrog lawv lub qhov ncauj, tab sis lob nws nrog lawv paws, uas yog heev dexterous ua tsaug rau cov movable tus ntiv tes. Lawv kuj siv lawv cov ntiv tes kov-sensitive mus khawb thiab tshawb nrhiav tsiaj nyob hauv av nkos thiab hauv qab pob zeb.
Ntxiv nrog rau dej, pygmy otters kuj nrhiav zaub mov hauv ntug dej: Tom qab ntawd cov noog hluas xws li ducks kuj tuaj yeem poob rau lawv. Vim hais tias pygmy otters yog cov ntse thiab docile, lawv tau nyob hauv tsev thiab kawm nuv ntses hauv qee thaj chaw ntawm Malaysia, txawm tias lawv tsis tshua mus yos hav zoov. Lawv dhia dej, ntes ntses thiab xa lawv rau khoom plig.
Cov phooj ywg thiab cov yeeb ncuab ntawm Asian dwarf otter
Dwarf otters tuaj yeem poob rau lwm tus, cov tsiaj loj dua. Lawv kuj raug tua nyob rau hauv ib feem vim lawv xav tias yog cov neeg sib tw rau zaub mov. Txawm li cas los xij, nyob rau hauv sib piv rau lwm hom otter, lawv cov plaub tsis muaj kev txhawj xeeb.
Yuav ua li cas Asian dwarf otters yug me nyuam?
Poj niam dwarf otters tuaj yeem muaj menyuam ob zaug hauv ib xyoos. Ua ntej yug me nyuam, ib khub pygmy otters tsim ib lub qhov me me hauv av nkos ntawm lub txhab nyiaj. Ntawm no cov poj niam yug tau ib tug mus rau rau cov tub ntxhais hluas tom qab gestation lub sij hawm ntawm 60 mus rau 64 hnub. Cov me nyuam otters siv thawj ob peb lub lis piam hauv lub qhov tsua no thiab tau nqus los ntawm leej niam.
Thaum lawv muaj hnub nyoog 80 hnub, lawv tuaj yeem noj zaub mov. Lawv maj mam kawm los ntawm lawv niam lawv txiv yuav mus yos hav zoov thiab noj dab tsi.