The European otter (Lutra lutra) yog ib hom tsiaj uas muaj ntau tshaj plaws nyob rau sab Europe thiab Esxias tus dej ntws. Qhov tseeb hais tias ib tug otter xaiv ib tug dej ntws nyob rau hauv qhia tau hais tias tus dej yog noj qab nyob zoo, nyob rau hauv cov nqe lus ntawm cov pa phem, hom thiab zaub mov. Tus tsiaj elusive no tsis yooj yim pom vim, yog ntawm hmo ntuj cwj pwm, nws cov dej num pib thaum peb xaus.
Nyob hauv cov ntaub ntawv no peb yuav tham kom ntxaws txog European otter, peb yuav qhia koj seb nws nyob qhov twg, dab tsi nws pub rau, nws lub voj voog me nyuam yog dab tsi thiab ntau lwm yam xav paub txog hom.
Keeb kwm ntawm European Otter
European otter (Lutra lutra) yog ib hom mustelid cov teb chaws Europe, North Africa thiab Asia. Yav tag los, cov pejxeem ntawm cov tsiaj no tau nthuav dav thiab vam meej, tab sis kev ua los ntawm tib neeg los ntawm cov dej hauv dej (natural habitat of otters) xws li kev tsim cov dams, pab paug tawm, deforestation of riparian forests, extraction of water from wetlands and the water table has wreak favous on the otter population, the species are classified as yuav hem, txawm hais tias nyob rau qee qhov chaw nws suav tias yog kev ploj tuag.
Cov yam ntxwv ntawm European Otter
Zoo li tag nrho cov mustelids, tus otter muaj lub cev , flattened taub hau thiab ntev Tail, flattened ntawm lub hauv paus thiab taw tes rau ntawm qhov kawg. kawg. Lawv pob ntseg me me, zais los ntawm pluab. Lawv ob txhais ceg luv luv, muaj zog thiab npaj ua luam dej txij li thaum pawg ntiv tes lawv muaj daim nyias nyias uas pab lawv ua luam dej.
Nws lub tsho tiv no tsis muaj dej, tuab heev thiab tsaus xim av thoob plaws lub cev, tsuas yog rau thaj tsam ventral, qhov twg nws lightens, ua dawb hauv qab lub caj dab. Lawv yog cov tsiaj loj uas ntsuas ntawm 84 thiab 145 centimeters ntawm lub taub hau mus rau qhov kawg ntawm tus Tsov tus tw. Lawv hnyav li ntawm 4.4 txog 6.5 kilograms.
Koj puas xav tau peb tsab xov xwm: Puas muaj txoj cai kom muaj tus nab los ua tus tsiaj?
European Otter Habitat
Otters nyiam nyob ntawm ntug dej hiav txwv zoo nkauj, ciam teb los ntawm cov nroj tsuag tuab uas lawv tuaj yeem nrhiav tau lawv qhov chaw. Cov no tsis yog tsim los ntawm otters, tab sis coj kom zoo dua ntawm cov kab noj hniav hauv av, pob zeb lossis cov nroj tsuag. Tsis tas li ntawd xwb, ib tug kwj deg tsis muaj ib lub qhov, nyob rau hauv nws thaj chaw (kwv yees li 15 kilometers rau cov txiv neej thiab ib nrab rau cov poj niam) lawv muaj ntau qhov chaw nyob uas lawv yuav. saib xyuas txhua ob peb hmo, raws li lawv yog nocturnal.
Cov neeg European nyob hauv cov dej ntws, cov kwj deg, cov pas dej lossis cov hav dej yog qhov qhia txog lawv txoj kev noj qab haus huv. Rivers nrog pos huab, paug los yog algal blooms yuav raug tso tseg los ntawm otters. Nov yog ib qho kev hem thawj rau cov tsiaj.
Nkauj hmoob European
As ib tug tsiaj carnivore, cov txiv neej cov hniav yog tsim los ntawm 12 incisors, 4 canines, 14 premolars (8 saum toj no thiab 6 hauv qab) thiab 4 molar. Lub hauv paus ntawm lawv cov zaub mov yog ntses, uas lawv ntes tau hauv dej thiab noj ntawm ntug dej. Thaum cov ntses tsis tshua muaj, tus kwj tuaj yeem noj tau ntawm crustaceans, amphibians, cov tsiaj reptiles thiab lwm yam tsiaj txhu, noog lossis kab.
Koj cov dej num pib thaum tsaus ntuj. Lawv tawm hauv lawv lub qhov tsua thiab pib lawv txoj kev niaj hnub nrog , txhuam lawv lub cev tawm tsam qee qhov ntxhib. Tom qab ntawd lawv npog lawv thaj chaw ua luam dej tawm tsam qhov tam sim no, ua stretches rau hauv av. Thaum kawg, lawv rov qab los rau yav hmo ntuj lub qhov faus lossis lwm yam hauv lawv thaj chaw.
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Tsis zoo li lwm hom tsiaj, thaum tus nab loj hlob mus txog rau thaum laus thiab muaj peev xwm rov tsim dua, nws yuav ua li ntawd thaum txhua lub xyoo as ntev npaum li cov zaub mov muaj. Thaum tshav kub kub, lawv ua nruj heev thiab, raws li lawv nyiam nyob rau hauv lub xeev no ntau ntawm lawv lub neej, nws tsis pom zoo kom khaws lawv li ib tug tsiaj.
Otters yog tsi , tsuas yog thaum lawv tab tom nrhiav txij nkawm los yog thaum niam nrog nws hluas. During courtship, the pair of otters will spend several days together, playing in the water and chasing each other on land. Tom qab sib sau ua ke, ob leeg tsiaj sib cais thiab, tom qab 9 lub lis piam, tus poj niam yuav yug tau 2 los yog 3 tus menyuam dev, dig muag thaum yug los thiab tag nrho nyob ntawm lawv niam, nrog rau leej twg lawv yuav siv sij hawm li ntawm 6 mus rau 8 lub hlis, kom txog rau thaum lawv muaj kev ywj pheej thiab pib lub neej nyob ib leeg.
