Marsupials yog cov tsiaj uas, tsis zoo li cov tsiaj hauv plab (embryos tsim nyob rau hauv cov placenta), tsim nyob rau hauv marsupio(hom hnab sab nraud qhov twg lub embryo ua tiav nws tsim). Nyob rau hauv lub hnab yog cov txiv mis uas tus embryos nais maum mus txog rau thaum lawv tsim tag nrho.
Qhov chaw uas muaj ntau hom marsupial sau tseg yog nyob rau hauv Australia, txog 200 hom (Tasmania thiab New Zealand suav nrog). Tab sis hauv South America thiab North America kuj tseem muaj ntau hom marsupials, kwv yees li 70 hom.
Ua raws li cov lus qhia no, thiab peb lub xaib yuav qhia koj hom marsupials uas nyob txawv teb chaws.
Australian Marsupials
Australian teb chaws yog ib lub teb chaws muaj coob tshaj plaws ntawm marsupial hom nrog ntau tshaj 200 hom. Muaj qhov tsawg tshaj plaws ntawm cov marsupials: lub long-tailed planigale, Planigali ingrami, uas ntsuas tsuas yog 5.5 cm (ib nrab nas), thiab hnyav txog 4.3 g.
Red kangaroo
Hauv Australia kuj tseem muaj liab kangaroo, Macropus rufus, suav tias yog qhov loj tshaj plaws ntawm cov marsupials tam sim no, hnyav txog li 90 kg, nrog qhov siab ntawm 1.50 meters.
Cov kangaroos loj no tuaj yeem dhia ntawm 10 m ntawm qhov ntev thiab 3 m siab, txhawb nqa lawv ob txhais ceg tib lub sijhawm thiab pab los ntawm lawv cov leeg nqaij. Qhov kev nplij siab ceev txav yog li 25 km / h, thaum taug kev luv luv lawv tuaj yeem ncav cuag 70 km / h. Rau ob peb kilometers lawv tuaj yeem txhawb nqa qhov ceev ntawm 50 km / h.
Kangaroo Giant
Tom ntej no yog kangaroo lojlos yog kangaroo sab hnub tuaj grey, Macropus giganteus, nws qhov hnyav tuaj yeem ncav cuag 66 kg, thiab ntsuas yuav luag 2 meters siab.. Sib nrug los ntawm cov piv txwv txwv ntawm cov loj thiab me me marsupials, muaj ntau lwm hom ntawm nruab nrab loj.
Swamp Wallaby
Txawm hais tias nws zoo nkaus li zoo li kangaroos, qhov tseeb yog tias lawv yog ob tug poj niam txiv neej sib txawv. Lub bicolor Wallabia yog ib qho me me marsupial thiab hmoov zoo nws tsis raug hem.
Nkauj Hmoob
Kuj hu ua Rough-haired wombat or Vombatus ursinus is a sweet-looking marsupial between 3 and 7 kilograms. Yav dhau los, muaj qee tus neeg khaws cov tsiaj no ua tsiaj, ib yam uas tam sim no txwv tag nrho.
Tam sim no muaj txog 200 hom tsiaj ntawm Australian marsupials, uas ua rau nws nyuaj rau piav qhia txhua yam ntawm txhua hom. Yav dhau los peb tau qhia koj cov neeg nyiam tshaj plaws thiab paub zoo.
Argentine marsupials
Raws li Phau Ntawv Qhia rau Argentine Marsupials, lub tebchaws loj heev no muaj 24 hom marsupials. Lawv raug faib los ntawm sab qaum teb Argentina mus rau thaj av loj Patagonian. Tom ntej no peb yuav qhia ib qho ntawm feem ntau preponderant:
yaj weasel los yog Black weasel, Didelphis albiventris, is a typical opossum from Argentina, Bolivia, Brazil, Uruguay and Paraguay. Txawm tias lub npe menyuam yaus "weasel", nws tsis yog ib tug mustelid, nws yog ib tug marsupial. Nws muaj lub neej luv luv heev: kev xeeb tub tsuas yog ob peb lub lis piam. Thaum 10 lub hlis nws ncav cuag kev loj hlob ntawm kev sib deev thiab ntawm 2 xyoo menopause tshwm. Tsis ntev tom qab, nws tuag. Nws tuaj yeem tsim 3 zaug hauv ib xyoos. Captive yuav ncav cuag 4 xyoos.
Nws tuaj yeem ntsuas 70 cm ntxiv rau tus Tsov tus tw, thiab nws cov plaub hau ncav cuag li 2 kg. Cov poj niam me dua. Nws yog ib hom omnivorous uas pub rau cov kab, nas, qav, cov tsiaj reptiles, berries, noog, txiv tsawb, txiv apples, strawberries, qe, carrion, thiab txawm khib nyiab los ntawm tib neeg kev nyob. Nws cov tsiaj nyeg yog, ntawm lwm tus, puma, alligator, Pampas hma liab, piranha thiab harpy dav dawb hau. Qhov no marsupial suav hais tias yog ib qho fossil nyob. Tsis hem.
No marsupial, zoo li ntau lwm tus, muaj 3 vaginas Lub hauv paus yog qhov me me embryos yug, thiab lub apparatus xaus digestive. thiab tso zis. Ob leeg ua haujlwm rau fertilization thiab coj mus rau ob chav tsev menyuam. Cov txiv neej muaj rab qau loj (Ntuj yeej txawj ntse, thiab siab dav rau qhov no).
Marsupials , vim lawv lub cev kub (32ºº) tiv thaiv kev loj hlob ntawm tus kab mob. Lawv muaj ntau cov lymphocytes, uas ua rau lawv muaj kev tiv thaiv zoo heev.
Mexican Marsupials
Four-Eyed Oppossum
Plaub-eyed opossum, Phillander opossum, yog opossum uas nyob rau yav qab teb Mexico, txawm hais tias nws tau faib thoob plaws hauv Central thiab South America mus txog rau sab qaum teb Argentina. Nws pub rau kab, tsiaj reptiles, nas thiab txiv hmab txiv ntoo. Nws yog ib hom arboreal thiab terrestrial hom nrog nocturnal cwj pwm. Koj tuaj yeem pom nws hauv daim duab:
Opossum yog Mexican marsupial uas muaj ob peb hom sib txawv. Qhov tseeb, lub npe opossum yog lub zos lub npe rau opossums.
Dej Tlacuachillo
Cov dej opossum, Chironectes minimus, tsuas yog dej marsupial xwb. Nws nyob hauv cov pas dej thiab cov kwj deg hauv Mexico, tab sis tau faib los ntawm qhov ntawd mus rau sab qaum teb Argentina. Nws pub rau ntses, amphibians thiab crustaceans. Nws ntsuas txog 35 cm thiab 40 cm ntawm tus Tsov tus tw. Nws tseem hu ua chucha de agua, ntawm lwm lub npe hauv zos.
Tasmanian marsupials
Tasmanian dab ntxwg nyoog
The best-known marsupial in Tasmania is the worldwide known Tasmanian dab ntxwg nyoog. Tasmanian dab ntxwg nyoog, Sarcophilus harrisii, yog ib tug marsupial endemic rau cov kob ntawm Tasmania. Nws tsis feem ntau nyob ntau dua 5 xyoos hauv qhov xwm txheej. Tam sim no nws yog qhov loj tshaj plaws carnivorous marsupial hauv ntiaj teb. Nws muaj ib tug heev ntxhib, khoom thiab yam ntxwv tsos. Nws yog xim dub nrog cov cim dawb, txawm tias muaj qee qhov dub tag nrho. Nws ntsuas txog 65 cm ntev, ntxiv rau luv luv 25 cm Tail. Nws qhov hnyav nce mus txog 8 kg. Poj niam me me.
Ib qho ntawm nws cov tsiaj txhu yog wombats, marsupials uas nws qhov hnyav nce mus txog 30 kg. Qhov tseeb no qhia txog lub zog loj thiab kev ua phem ntawm Tasmanian dab ntxwg nyoog. Uas, ua ke nrog nws zoo kawg li tom quab yuam quotient (BFQ 181), tshaj tus tsov (BFQ 127) los yog jaguar (BFQ 137). Txawm li cas los xij, nws pub tsuas yog ntawm carrion.
Txij thaum nruab nrab xyoo 1990, Tasmanian dab ntxwg nyoog tau raug kev txom nyem los ntawm kev kis mob ntawm lub ntsej muag carcinoma uas tau ua rau lawv cov pej xeem poob qis heev.
Tam sim no Cov tub ceev xwm tab tom tsim cov phiaj xwm rov qab los.
Colombian marsupials
Hauv Colombia muaj 29 hom marsupials. Qhov nthuav dav tshaj plaws yog cov hu ua chuchas, uas yog ntau hom opossum.
Tab sis muaj ob hom kab mob sib txawv ntawm cov marsupials uas tsuas pom muaj nyob hauv cov tsiaj loj thiab nplua nuj ntawm Colombia. Ib qho yog me me marsupial, uas peb yuav qhia ntxiv tom ntej:
Colombian Tunato
Lub Colombian tunato, Caenolestes fuliginosus, yog ib tug me me marsupial endemic rau sab qab teb ntawm Valdivia, Antioquia. Nws pub rau kab thiab txiv hmab txiv ntoo. Nws muaj cov cwj pwm nocturnal. Hom kab mob no raug mob hnyav heev.
Image from zoologia.puce.edu.ec:
Colombian Chuchita
Cov Colombian chuchita, Gracilinanus perijae, tseem hu ua Colombian nas possum. Nws yog ib tug tsiaj me me uas nyob hauv hav zoov ntawm Colombian tropical thiab subtropical lowlands.
