Hom otters - Cov yam ntxwv thiab chaw nyob (nrog PHOTOS)

Cov txheej txheem:

Hom otters - Cov yam ntxwv thiab chaw nyob (nrog PHOTOS)
Hom otters - Cov yam ntxwv thiab chaw nyob (nrog PHOTOS)
Anonim
Hom otters fetchpriority=siab
Hom otters fetchpriority=siab

Cov tsev neeg ntawm cov mustelids suav nrog, ntawm lwm cov tsiaj nyeg tsiaj, cov noog, uas yog cov tsiaj uas muaj ntau haiv neeg. Lawv cov cwj pwm yog txuam nrog cov dej nyob ib puag ncig, uas nyob ntawm cov tsiaj tuaj yeem ua tau ntau dua los yog ntawm hom nruab nrab. Qhov chaw nyob ntawm cov tsiaj no tuaj yeem yog cov dej tshiab, dej hiav txwv lossis dej khov. Lawv yog cov peculiar, agile mus ua luam dej thiab nrog ib tug active cwj pwm.

Vim muaj ntau yam sib txawv uas muaj nyob rau hauv pab pawg, txij li thaum sib txawv ntau subspecies txawm tau tshaj tawm, nyob rau hauv tsab xov xwm no nyob rau hauv peb lub site peb nthuav tawm qhov sib txawv hom ntawm os. Ua tsaug thiab nyeem ntxiv.

Oriental me-clawed otter (Amblonyx cinereus)

Nom tswv hom no yog ib txwm nyob rau ntau lub tebchaws hauv Asia, cov uas peb tuaj yeem hais: Bangladesh, Bhutan, Cambodia, Tuam Tshoj, Is Nrias teb, Indonesia, Taiwan thiab Nyab Laj. Nws loj hlob nyob rau hauv ntau yam dej tshiab

Nws muaj qhov hnyav ntawm 2.7 txog 5.4 kg, nrog qhov ntev ntawm 40 txog 65 cm ntev. Nws yog greyish-xim av xim, tab sis lub ntsej muag thiab caj dab feem ntau sib dua. Nws pub tsuas yog rau cov tsiaj txhu, xws li crabs, molluscs thiab kab, tab sis kuj tuaj yeem noj ntses, nas, nab thiab amphibians.

Hom Otters - Oriental Small-Clawed Otter (Amblonyx cinereus)
Hom Otters - Oriental Small-Clawed Otter (Amblonyx cinereus)

African clawless otter (Aonyx capensis)

Tseem hu ua swamp otter, nws tau zoo faib rau ntau lub tebchaws African. Nws yog ib hom tsiaj dej uas tsis tshua muaj strays los ntawm ib puag ncig no. Txawm hais tias nws tuaj yeem nyob hauv ib puag ncig marine, kev nkag mus rau cov dej tshiab yog qhov tseem ceeb. Nws pom muaj nyob rau hauv rocky coasts, mangroves, estuaries, reservoirs, rivers thiab txawm nyob rau thaj chaw suab puam. Noj ntses, qav, crabs thiab kab.

Nws yog ib tug ntawm , ntsuas los ntawm 76 mus rau 88 cm ntev, nrog ib tug luj ntawm 10 thiab ua 22kg. Nws cov xim yog xim av tsaus thiab nws muaj xim dawb hauv qab lub qhov ncauj ntawm lub hauv siab. Nws tsis muaj claws, tsuas yog muaj cov me me ntawm qee tus ntiv tes uas nws siv los tu nws tus kheej.

Hom Otters - African Clawless Otter (Aonyx capensis)
Hom Otters - African Clawless Otter (Aonyx capensis)

Sea otter (Enhydra lutris)

Cov hom yog haiv neeg rau Canada, Tebchaws Asmeskas thiab Russia Nws tsim nyob rau ntau qhov chaw marine ze ntawm ntug dej hiav txwv, tab sis feem ntau pom nyob rau hauv cov pob zeb nrog ib qho tseem ceeb ntawm algae, txawm tias tom kawg kuj tseem yuav tsis tuaj. Nws tuaj yeem dhia dhau 50 m, tab sis nyiam dhia mus rau qhov tob tob.

Xim xim yog xim av lossis xim liab nrog lub taub hau sib dua. Cov poj niam hnyav txog li 30 kg, thaum txiv neej feem ntau tsis tshaj 40 kg. Lawv ntsuas ntawm 1 mus rau 1.5 m ntev, cov txiv neej loj dua. Nws pub rau hiav txwv urchins, clams, mussels, octopus thiab ntses, thiab lwm yam.

Nyob rau hauv no ncej peb tham tob txog noj otters.

Hom Otters - Hiav Txwv Otter (Enhydra lutris)
Hom Otters - Hiav Txwv Otter (Enhydra lutris)

Spotted-necked Otter (Hydrictis maculicollis)

Distributed thoob plaws South Central Africa thiab nyob rau thaj chaw ntub dej ntawm thaj tsam sub-Saharan. Nws yog hom dej tshiab uas nyob hauv ecosystems tsis muaj sediment thiab tsis muaj kuab paug. Yog li, nws tsim nyob rau hauv pas dej loj, qhib dej, dej ntws thiab reservoirs

Nws yog qhov txawv ntawm nws cov xim av thiab dawb ntawm lub caj dab, nyob rau hauv tas li ntawd ntawm lub cev nws muaj xim av los yog reddish xim. Nws ntsuas los ntawm 85 cm mus rau 1 m thiab qhov hnyav nruab nrab ntawm 4 kg. Nws pub rau ntses, tab sis tuaj yeem suav nrog Qav, crabs, kab thiab noog.

Hom Otters - Spotted-caj Otter (Hydrictis maculicollis)
Hom Otters - Spotted-caj Otter (Hydrictis maculicollis)

North American River Otter (Lontra canadensis)

hom kab no yog haiv neeg Canada thiab Tebchaws Meskas thiab muaj qhov tsis paub tseeb tau tshaj tawm hauv Mexico. Nws muaj cov cwj pwm hauv dej, uas tuaj yeem ua tau dej tshiab thiab dej ntsev, kom nyob hauv dej ntws, pas dej, marshes, estuaries thiab swamps Qhov xwm txheej rau nws lub xub ntiag nyob rau hauv ib qho ntawm cov ecosystems yog qhov muaj cov khoom noj thiab nws qhov zoo, vim nws muaj feem cuam tshuam rau kev kis kab mob. Nws yog ib qho ua rau nws cuam tshuam nrog qhov chaw hloov kho los ntawm Asmeskas beaver (Castor canadensis).

. Cov plaub yog mos, nruab nrab ntawm xim av thiab yuav luag dub, tab sis sib dua nyob rau hauv nws ventral cheeb tsam. Lawv cov zaub mov noj yog ua raws cov ntses, tab sis kuj suav nrog qav, crayfish thiab noog, nyob ntawm seb muaj cov tsiaj tom kawg.

Hom Otters - North American River Otter (Lontra canadensis)
Hom Otters - North American River Otter (Lontra canadensis)

Otter miv (Lontra felina)

Vim nws lub npe scientific, nws tseem hu ua miv hiav txwv lossis hiav txwv otter. Nws yog haiv neeg rau Argentina, Chile thiab Peru Nyob rau hauv lub genus, nws yog tib hom uas tshwj xeeb inhabits marine ecosystems, nyob rau hauv uas nws yog heev agile. Nws txav nyob rau hauv thaj tsam li 30 m ntawm thaj av saum toj no hiav txwv theem thiab los ntawm 100 mus rau 150 m tob hauv hiav txwv, feem ntau yog nyob rau hauv cov pob zeb muaj zog cua thiab ntau algae. Thaum kawg nws tuaj yeem txav mus rau cov dej ntws hauv kev tshawb nrhiav zaub mov.

Nws yog smallest species of its genus, qhov nruab nrab nws ntsuas 90 cm ntev thiab hnyav ntawm 3 mus rau 5 kg. Cov plaub yog tsaus nti tom qab thiab sab nraub qaum, tab sis lub teeb nyob rau theem ventral. Nws pub rau crustaceans thiab molluscs, txawm hais tias nws tuaj yeem suav nrog ntses, noog thiab tsiaj me.

Hom ntawm otters - Otter miv (Lontra felina)
Hom ntawm otters - Otter miv (Lontra felina)

Neotropical Otter (Lontra longicaudis)

Nov yog ib hom noog uas muaj kev faib tawm ntau dua li yav dhau los, tshwj xeeb hauv Asmeskas. Nws muaj qhov dav dav uas mus los ntawm sab qaum teb sab hnub tuaj ntawm Mexico, txuas mus rau South America, mus rau Argentina, txawm hais tias nws tsis tau tshaj tawm hauv Chile. Nws tau muab faib rau ntau yam dej hauv dej xws li dej ntws, pas dej, pas dej, marshes, mangroves thiab coasts Nws pom los ntawm cov pob zeb hauv hiav txwv mus rau hav zoov sov lossis txias, savannahs ntug dej hiav txwv thiab wetlands.

ntsuas nruab nrab ntawm 36 thiab 66 cm ntev thiab muaj tus Tsov tus tw ntev. Nws muaj lub tsho greyish-xim av ci, ua xim sib dua ntawm lub plab thiab caj pas. Vim muaj ntau haiv neeg nyob hauv qhov chaw uas nws pom, nws muaj kev noj zaub mov zoo, uas suav nrog ntses, crustaceans, amphibians, tsiaj txhu thiab noog.

Hom ntawm otters - Neotropical Otter (Lontra longicaudis)
Hom ntawm otters - Neotropical Otter (Lontra longicaudis)

Southern River otter (Lontra provocax)

hom kab no yog native rau Argentina thiab Chile, pom nyob rau hauv temperate forests ntawm cheeb tsam, nyob rau hauv dej tshiab rau sab qaum teb, tab sis nyob rau hauv ib puag ncig marine nyob rau sab qab teb. Nws nyob Andean pas dej, lagoons, dej ntws sib txawv ntawm qhov loj me thiab estuaries. Nyob rau hauv marine ecosystems nws yog nyob rau ntawm ntug dej hiav txwv, vim nws tsis txav mus rau qhib dej, thaum nyob rau hauv dej tshiab ecosystems nws opts rau cov uas muaj ntau cov nroj tsuag.

Nws qhov loj me yog nruab nrab, ntsuas ib ncig ntawm ib 'meter' ntev. Cov plaub yog velvety, xim av, tshwj tsis yog rau thaj tsam ventral, uas yog sib dua. Nws yog ib tug tsiaj nuv ntses, pub ntses thiab crustaceans uas nws ntes mus rau hauv qab dej.

Hom Otters - Southern River Otter (Lontra provocax)
Hom Otters - Southern River Otter (Lontra provocax)

Eurasian Otter (Lutra lutra)

Nws yog ib qho ntawm cov kab ntau tshaj plaws, muab faib rau Tebchaws Europe, Asia thiab Africa Tsis tas li ntawd, ntau ntau yam ntawm subspecies. Vim nws qhov txuas ntxiv, nws tau muab faib rau hauv ib qho tseem ceeb ntawm cov chaw nyob uas suav nrog pas dej, dej ntws, ntws, swamps thiab ntug hiav txwv Tsis tas li ntawd, nws muaj thaj tsam ntawm qhov siab ntawm hiav txwv mus txog 4,120 m siab.

Nws cov xim yog xim av nyob rau sab sauv thiab lightens rau hauv qab. Nws ntsuas ntawm 50 cm thiab yuav luag ib 'meter' nyob rau hauv ntev thiab hnyav ntawm 7 mus rau 12 kg. Kev noj ntses sawv cev ntau dua 80% ntawm lawv cov zaub mov, qhov feem pua nyob ntawm qhov muaj nyob hauv ib puag ncig, yog li lawv tuaj yeem noj kab, tsiaj reptiles, amphibians, tsiaj me, noog thiab crustaceans.

Hom ntawm otters - Eurasian Otter (Lutra lutra)
Hom ntawm otters - Eurasian Otter (Lutra lutra)

Hairy-nosed otter (Lutra sumatrana)

Ntawm no, peb muaj hom nab qas native to Asia, tshwj xeeb yog los ntawm cov teb chaws xws li Cambodia, Indonesia, Malaysia, Burma, Thaib thiab Nyab Laj. Qhov chaw nyob yog feem ntau sawv cev los ntawm peat swamp forests, flooded areas and tropical forests Nyob rau hauv lub ntsiab lus no, tsis txhob nco lwm qhov tshaj tawm txog Tsiaj txhu nyob hauv hav zoov.

Nws cov plaub hau sib tw nrog lwm hom otters, yuav luag tag nrho cov xim av tshwj tsis yog rau thaj tsam ventral, uas yog sib dua. Nws ntsuas txog 60 cm txawm hais tias nws tuaj yeem ncav cuag 82 cm ntev, thiab hnyav ntawm 5 txog 8 kg. Cov zaub mov tseem ceeb yog ntses thiab dej nab, tab sis kuj suav nrog qav, lizards, vaub kib, tsiaj txhu thiab kab.

Hom Otters - Plaub-nosed Otter (Lutra sumatrana)
Hom Otters - Plaub-nosed Otter (Lutra sumatrana)

Smooth-coated Otter (Lutrogale perspicillata)

Distributed mainly in South Asia, but there is a population in Iraq. Nws hlob nyob rau hauv plains thiab semi-arid regions, txuam nrog cov pas dej loj thiab dej, kuj nyob rau hauv swampy peat forests, mangroves, estuaries, thiab nws nquag tsiv mus rau tej teb.. Txawm hais tias nws txav tau zoo hauv dej, nws kuj ua tau zoo hauv av.

Nws yog hom nab loj tshaj plaws nyob rau sab hnub tuaj Asia, hnyav li ntawm 7 txog 11 kg, nrog qhov ntev txog li 1.3 m. Nws cov plaub hau yog luv dua li ntawm lwm hom, thiab ci. Cov xim txawv ntawm qhov tsaus ntuj mus rau lub teeb xim av thiab dhau los ua qhov sib dua ntawm lub plab. Txawm hais tias nws nyiam ntses, nws kuj suav nrog kab, cws, crabs, nas, thiab qav.

Hom Otters - Smooth-haired Otter (Lutrogale perspicillata)
Hom Otters - Smooth-haired Otter (Lutrogale perspicillata)

Giant Otter (Pteronura brasiliensis)

Nws yog ib txwm nyob rau South America, faib thoob plaws Bolivia, Brazil, Colombia, Ecuador, Guyana, French Guiana, Paraguay, Peru, Suriname thiab Venezuela. Nws nyob dej tshiab ecosystems xws li dej ntws, ntws, pas dej thiab swamps, uas tuaj yeem tuab nrog cov dej tsaus lossis dej ntshiab, nyob ntawm thaj tsam.

Nws yog qhov txawv ntawm txhua hom otters los ntawm kev ua Tus nab loj loj ntsuas los ntawm 1 mus rau yuav luag 2 m ntev , nrog rau qhov hnyav li ntawm 22 mus rau 32 kg, nrog cov txiv neej loj tshaj plaws. Txawm hais tias qee lub hiav txwv hiav txwv tuaj yeem hnyav dua, lawv tsis loj dua. Nws cov xim yog xim av los yog reddish, nrog luv luv plaub. Txawm hais tias nws muaj tseeb tias nws tsuas yog noj ntses xwb, nws tseem tuaj yeem noj cov ntses thiab lwm hom tsiaj vertebrate.

Nrog cov hom no peb ua tiav cov npe ntawm hom otters uas, raws li koj tau pom, muaj ntau yam sib txawv. Tsis muaj qhov tsis ntseeg, lawv yog cov tsiaj tshwj xeeb uas yuav tsum nyob hauv lawv qhov chaw nyob. Txawm li cas los xij, kev ua qias tuaj ua rau ntau hom tsiaj raug hem. Tsis tas li ntawd, nyob rau xyoo tas los no, "kev zam" ntawm kev muaj lawv li tsiaj txhu tau tshwm sim, ib yam dab tsi peb xav txog hauv lwm tsab xov xwm no: "Puas yog muaj cai kom muaj tus noog ua tsiaj?"

Pom zoo: