Ba a ɗauke da raƙuman raƙuman daji irin na Hasumiya dabbobi mafi girma a duniya. A kowane gidan namun daji, rakumin daji suna da matukar sha'awa ga baƙi, musamman yara. Kuma a cikin daji, gwamnatocin wuraren ajiya da wuraren shakatawa na ƙasa sun iyakance baƙi waɗanda ke son saduwa da rakuman dawa a cikin mazauninsu. A lokaci guda, ƙattai suna bi da mutane da motoci cikin natsuwa kuma da son sani. Ga wasu bayanai game da waɗannan dabbobin da ba a sani ba:
1. Hotunan da aka samo sun nuna cewa tsoffin Masarawa suna daraja raƙuman raƙuman ruwa tuni a cikin Millennium III na BC. e. Sun dauki wadannan dabbobin a matsayin kyautuka masu kayatarwa, kuma suka bai wa sarakunan wasu jihohin. Kaisar kuma ya karɓi rakumin dawa ɗaya. Ya bautar da dabba "raƙumi-damisa". A cewar tatsuniya, Kaisar ya ciyar da shi ga zakoki don ya jaddada girmansa. Ba a bayyana yadda wani kyakkyawan mutum da zakuna suka cinye zai jaddada girman sarki ba. Koyaya, suna rubutu game da Nero cewa ya riƙe rakumin rakumin dawa don yin fyade ga matan banza.
2. Rakuman daji suna cikin tsarin artiodactyl, wanda kuma ya hada da hippos, barewa da aladu.
3. Rashin kasancewar dabbobin da ke cikin haɗari, raƙuman raƙuman raƙumi har yanzu suna da yawa. A cikin daji, mafi yawansu suna zaune ne a cikin wuraren ajiya da wuraren shakatawa na ƙasa.
4. Rakumin dawa mai suna Samson ana ɗaukarsa mascot mai rai na Gidan Zoo na Moscow. Akwai wasu rakuman dawa a gidan ajiyar namun daji, amma Samson shine mafi kyawun mutane kuma kyakkyawa daga cikinsu.
5. Raƙuman raƙumi kawai suna sannu a hankali saboda girmansu. A zahiri, a cikin annashuwa, zasu iya rufe kilomita 15 a cikin awa ɗaya (mutum na yau da kullun yana saurin 4 - 5 km / h). Kuma idan akwai haɗari, rakumin dawa zai iya saurin zuwa 60 km / h.
6. Rashin hankalin raƙuman dawa da haɗakar kariya ba alama. Tare da dogayen kafafu, masu iko, zasu iya yin duka a kowane fanni, don haka masu farauta yawanci basa haɗuwa da manyan rakuman dawa. Banda shi ne cewa yayin rami mai ruwa kada-kaza na iya kai wa rakumin dawa hari.
7. Tsarin jini na rakumin dawa na musamman ne. Tabbas, wannan ya shafi farkon samar da jini ga kai. Ya naɗa rawanin wuya, wanda zai iya tsayi zuwa mita 2.5. Don ɗaga jini zuwa irin wannan tsayi, zuciya mai nauyin kilogram 12 tana harba lita 60 na jini a minti ɗaya. Haka kuma, akwai bawuloli na musamman a cikin babbar jijiya wacce ke ciyar da kai. Suna daidaita karfin jini ta yadda koda rakumin dawa zai dan karkata kai tsaye zuwa kasa kanta, kansa ba zai juya ba. Kuma raƙuman da aka haife su nan da nan suka tsaya kan ƙafafunsu, sake godiya ga zuciya mai ƙarfi da manyan jijiyoyin roba.
8. Don fara saduwa da mace, rakumin dawa na bukatar dandanon fitsarin ta. Ba kwata-kwata game da duk wata takamaiman lalata ta rakumin dawa. Kawai dai mace ce a shirye take don saduwa a cikin wani iyakantaccen lokaci, kuma a dai-dai wannan lokacin ne, saboda sauye-sauyen da ake samu a cikin biochemistry, dandanon fitsarin nata ya canza. Saboda haka, lokacin da mace ta yi fitsari a cikin bakin namiji, wannan ko dai goron gayyata ne ga saduwa, ko ƙi.
9. Mutane da yawa suna da masaniya da hoton rakumin rakumi biyu, da alama a hankali suna shafa wuyansu. A zahiri, waɗannan ba wasa bane kuma ba alamun nuna taushi bane, amma faɗan gaske. Motsi na rakumin dawa ya bayyana ruwa ne saboda girmansu.
10. Kubiyon rakumin dawa an haifeshi, tuni yakai mita biyu a tsayi. A nan gaba, maza na iya yin kusan mita 6. Mata yawanci kusan mita sun fi guntu. Ta ma'auni, maza sun ninka kusan sau biyu kamar na rakumin dawa.
11. Rakumi dabbobi ne na gama gari, suna rayuwa ne a kananan garken dabbobi. Don neman abinci, dole ne su motsa da yawa. Wannan yana haifar da sanannun matsaloli a lokacin haihuwa - bai kamata a bar jarirai ba ko da na ɗan lokaci. Sannan rakuman daji suna shirya wani abu kamar makarantar renon yara - wasu iyayen mata suna barin ci, yayin da wasu ke kiyaye zuriya a wannan lokacin. A irin wannan lokacin, rakumin dawa na iya yawo tare da garkunan jakunan dawa ko na dabbar daji, waɗanda ke jin warin dabbobi a da.
12. Rarrabe raƙuman dawa ta hanyar jima'i yana yiwuwa ba kawai ta hanyar kwatanta tsayinsu ba. Maza yawanci suna cin ganye mafi tsayi da rassa waɗanda za su iya kaiwa, yayin da mata ke cin shoran gajere. Saboda karancin abun cikin kalori na abincin shuke-shuken daji, rakumin dawa yakan ci har zuwa awanni 16 a rana. A wannan lokacin, zasu iya cin abinci har zuwa kilogiram 30.
13. Saboda tsarin jikinsu, yana da matukar wahala rakumin dawa ya sha. Don shan ruwa, suna ɗaukar yanayi mara dadi da rauni: kai da aka saukar zuwa ruwa sosai yana rage filin hangen nesa, kuma ƙafafu masu faɗi-ƙafa suna haɓaka lokacin amsawa yayin fargaba da kada. Saboda haka, suna zuwa ramin shayar sau ɗaya kawai a rana, suna shan ruwa har lita 40. Suna kuma samun ruwa daga shuke-shuke da suke ci. A lokaci guda, rakumin dawa ba ya rasa ruwa da gumi, kuma jikinsu na iya daidaita yanayin zafin jikin.
14. Rakumin dawa ba ya gumi, amma suna wari da abin ƙyama kawai. Abubuwan da jikin rakumin dawa ke ɓoye don fitarwa daga kwari da ƙwayoyin cuta masu yawa. Wannan baya faruwa daga rayuwa mai kyau - yi tunanin tsawon lokacin da yakamata ya ɗauka don kiyaye tsabtar wannan babbar jikin, da kuma ƙarfin da zai buƙata.
15. Ga dukkan bambanci a tsayi, wuyan mutum da rakumin dawa yana dauke da adadin adadin kashin baya - 7. Kashin bakin mahaifa na rakumin dawa ya kai tsawon 25 cm
16. Rakunan daji na iya samun ƙaho biyu, huɗu ko ma biyar. Paho biyu masu ƙaho gama gari ne, amma ƙaho na biyar yanayin ɓacin rai ne. Tsananin magana, wannan ba ƙaho bane, amma ƙazantaccen ɗanɗano ne.
17. Duk da cewa, saboda tsayinsu, rakumin dawa zai iya kaiwa saman kusan dukkanin bishiyoyi a mazauninsu, kuma suna iya fitar da harshensu rabin mita idan kuna buƙatar samun ɗanɗano mai ɗanɗano a cikin kambin itace.
18. Tatsuniyoyi a jikin rakumin dawa ba su da bambanci kamar zanan yatsun mutane. Dukkanin raƙuman raƙuman raƙuman raƙuman 9 da suke da su suna da launuka da siffofi daban-daban, don haka tare da wasu ƙwarewa zaka iya rarrabe rakumin dawa na Afirka ta Yamma (yana da ɗigon haske sosai) da Yuganda (aihunan duhuni ne mai duhu, kuma tsakiyar su kusan baƙi ne) Kuma babu rakumin rakumin da yake da tabo a cikinsa.
19. Raƙuman raƙuman raƙumi kaɗan - aƙalla sa'o'i biyu a rana. Barci yana gudana ko dai a tsaye ko a cikin mawuyacin matsayi, yana kwantar da kanku a bayan jikinku.
20. Rakumin dawa yana rayuwa ne kawai a cikin Afirka, a wasu nahiyoyin kuma ana iya samun su a gidajen zoo. A Afirka, mazaunin raƙuman daji suna da yawa. Saboda karancin bukatar ruwa, suna bunkasa harma a yankin kudu na Sahara, ba tare da ambaton wuraren zama ba. Saboda ƙananan siririn ƙafafunsu, rakumin dawa yana rayuwa ne kawai a kan ƙasa mai ƙarfi, ƙasa mai laima da dausayi basu dace da su ba.
