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Me ya sa aka mai Hippo kira "kogin doki"?

River doki kira m m-skinned herbivore da cewa na zaune a cikin koguna ko wasu gawawwakin ruwa. Zauna wadannan sabon abu halittun ganga a Afirka da kuma kira hippos. Shi ne na uku mafi girma ƙasar dabba bayan giwa da karkanda. Dan kadan kasa, amma mutum fari karkanda, da giant iya auna har zuwa 1800 kg.

Me ya sa aka mai Hippo kira "kogin doki"?

Hippo yana da wani gajeren m wuyansa, kuma kananan kunnuwa. Duk da cewa wannan ban mamaki dabba sautina fassara a matsayin "kogin doki", da yawa kwayoyin karatu sun nuna cewa wani dorina kusa da Whales da dabbobin ruwa fiye da duk wani artiodactyl. Su cin ganyayyaki yawanci kunshi auku 'ya'yan itãcen marmari, ganye, ciyawa, rake, masara da sauransu.

Me ya sa aka mai Hippo kira "kogin doki"? A gaskiya, sunansa da aka yi sama da biyu Greek kalmomi "kogi" da "doki". Suna da kyau dace domin dogon tsaya a cikin ruwa. Hippos fi son na gudãna da zurfin ruwa da kuma kusa da nan Reed gadaje, wasu nau'in rayuwa a gishiri ruwa a kusa da bakin koguna. A saman shugaban armashi, kunnuwa da kuma kafafen hancinsa cewa rufe ta atomatik, ku kawai dabba don fada cikin ruwa.

herbivorous Refayawa

Wadannan dabbobi fi son zama a cikin ruwa duk rana, zuwa bakin teku kawai a dare domin yin rai. Wani lokaci search for abinci iya shiryar da su zuwa mai kyau nesa (7-8 km) m, don haka suka kariminci alama su hanya domin daga baya sauƙi nemo hanyar gida kafin ketowar alfijir. Ga daya dare wannan ƙato dabbobi masu shayarwa iya sha har zuwa 100 kilo ciyayi.

Manya iya cinye wata babbar adadin ciyawa, grabbing ta da bakinsa fadi, ba hakora, kamar mafi sauran herbivores. Da ake kira kogin doki ne kusan m, bã tãre da gashi kuma sosai m fata, da pores na wanda exude ja m ruwa cewa abubuwa a matsayin wani sunscreen, kiyayye fata hydrated da kuma kare, a lokacin da dabba ne a kan ƙasar. Saboda wannan ban sha'awa alama shi aka yi kuskure zato cewa hippos gumi jini.

Hippos da manyan giwa (incisors) da kuma canines, wanda ba ya daina girma cikin rayuwarsu. Wadannan giwa suna dauke mafi muhimmanci fiye da giwa, saboda ba su fatsifatsi da shekaru. "River doki" yana da widest baki tsakanin wani halin yanzu data kasance terrestrial dabbobi masu shayarwa, kuma a lõkacin da herbivorous giant ya buɗe bakinsa don hamma, da nisa tsakanin jaws iya zama har zuwa 60 cm.

gregarious dabba

Duk da manyan size da girma, da dorina ne azumi isa ga dabbobi masu shayarwa, wanda zai iya sauƙi tsẽre mutane. Hippos iya zama quite m dabbõbi, da kuma mazan biyu na iya zama dogon lokaci zuwa yaƙi da juna, wani lokacin haddasa tsanani samu rauni.

Garken yawanci kunshi goma zuwa goma sha biyar dabbobi hada da daya rinjaye namiji, da dama ƙarƙashin maza da mãtã, matasa da kuma girma. mãtan Pregnancy kullum yana game 230 kwanaki. Haihuwa yakan auku a ruwa, kazalika da ainihin haifuwa, a cikin watanni da nauyi ruwan sama, amma zai iya faruwa a wasu lokatai na shekara. Sun hippos suna sosai a haɗe zuwa uwayensu, kuma sau da yawa ciyar lokaci basking a kan su m bãya dõmin gudu.

mazauninsu

The halitta mazauninsu na wadannan manyan dabbobi masu shayarwa takaitawa Afirka, yafi kudu da Hamadar Sahara. A zamanin da, hippos ma hadu a arewa, a cikin Nile Delta, kuma su images ne fairly na kowa a zamanin d Masar art. A halin yanzu, tabo hippos habitats ne tabkuna, da kõguna da swamps na gabashi da tsakiyar Afrika.

Dubi hippos karkashin ruwa

An ban sha'awa alama ne gaban hippos takamaiman nazarin halittu da tabarau - m membrane ne wanda ke rufe idanunsu domin kariya, kuma a lokaci guda kyale su su gani karkashin ruwa. A lokacin nutse, su kafafen hancinsa aka rufe, ba za su iya rike su numfashin for minti biyar ko fiye. Hippos iya ko barci a karkashin ruwa, ta amfani da wata reflex da sa su girgiza kansa a cikin irin wannan hanya da cewa suna iya daukar wani numfashi da kuma fada saukar, kuma shi ba ya ko da tashi.

Duk da haka, duk da dukan waɗannan adaptations domin rayuwa a cikin ruwa, da dabba ( "kogin doki") ba zai iya iyo. Jikinsu ne ma m domin yin iyo, hippos motsi a da'irar, fara daga kasa na kogin ko kawai tafiya tare da kogin leisurely gallop, ɗauka da sauƙi da taba da kasa dan kadan webbed yatsun kafa.

Hippos rayuwa ga wani talakawan na 40-50 shekaru, da hali a lokacin da daya memba na iyali ya rayu shekaru 61, ko da yake a cikin bauta. Abin mamaki, wannan m herbivore amfani da babbar m hakora kawai ga tsaro da kuma yaki tare da nasu irin.

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