Patas

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Patas (Erythrocebus patas) na dangin biri ne.

Alamomin waje na patas

Wutsiya mai launin jan-digo kamar tsawon jiki. Nauyin - 7 - 13 kg.

Kasan fari ne, kafafu da kafafu kalarsu daya. Wani farin gashin-baki rataye a hammatarsa. Patas din yana da dogayen kafafu da kuma babban yatsu. Idanuwa suna sa ido don samar da hangen nesa na hangen nesa. Abubuwan da ke ciki suna da faɗi, ana iya ganin canines, molar suna bilophodont. Tsarin hakori 2 / 2.1 / 1.2 / 2.3 / 3 = 32. Hancin hancine kunkuntar, kusa suke kuma an karkatar dasu zuwa ƙasa. Jima'i dimorphism ya kasance.

Yankin tsakiyar fuska (kwanyar) a cikin maza yana da hauhawar jini idan aka kwatanta da mata. Girman jikin maza, a matsayinka na mai mulki, ya fi na mata girma saboda tsayi da saurin girma.

Yaduwar patas

Patas ya bazu daga gandun daji na arewacin kudu da Sahara, daga yammacin Senegal zuwa Habasha, har zuwa arewacin, tsakiya da kudancin Kenya da arewacin Tanzania. Yana zaune a cikin dazuzzuka acacia gabashin Tafkin Manyara. An samo shi a ƙarancin yawan jama'a a cikin wuraren shakatawa na Serengeti da Grumeti.

Ana samun ƙananan ƙananan mutane a cikin Ennedy massif.

Tashi zuwa mita 2000 sama da matakin teku. Mazaunin ya hada da Benin, Kamaru, Burkina Faso. Kuma har ila yau Kamaru, Kwango, Jamhuriyar Afirka ta Tsakiya, Chadi, Cote d'Ivoire. Patas suna zaune a Habasha, Gambiya, Ghana, Guinea, Guinea-Bissau. An samu a Kenya, Mali, Niger, Mauritania, Nigeria. An rarraba a Senegal, Sudan, Saliyo, Togo, Tanzania.

Wuraren Patas

Patas yana da nau'o'in halittu daban-daban, farawa tare da buɗe tudu, savannas na itace, busassun gandun daji. Irin wannan biri ana lura da shi a yankunan da ba su da daji, kuma ya fi son gefen dazuzzuka da wuraren kiwo. Patas galibi birrai ne na birni, kodayake suna da kyau wajen hawa bishiyoyi yayin da wani mahaukaci ya dame su, galibi suna dogaro da saurin ƙasarsu don gudu.

Patas abinci

Patas suna ciyarwa musamman a kan tsire-tsire masu tsire-tsire, 'ya'yan itãcen marmari,' ya'yan itãcen marmari, 'ya'yan itãcen marmari, da' ya'yan itace. An ba da fifiko ga bishiyoyin savannah da shrubs, kamar acacia, torchwood, Eucleа. Wannan nau'in biri ya dace da dacewa, kuma yana saurin dacewa da ciyar da nau'ikan shuke-shuke na baƙi masu haɗari kamar su pear mai laushi da lantana, da auduga da amfanin gona. A lokacin rani, galibi ana ziyartar wuraren shayarwa.

Don shayar da ƙishirwa, biran Patas galibi suna amfani da tushen ruwa mai wucin gadi da hanyoyin shan ruwa, suna bayyana a kusa da ƙauyuka.

A duk wuraren da aka samo dabbobin daji a cikin Kenya, sun saba da mutane, galibi makiyaya, manoma, cewa suna fita zuwa gonaki tare da albarkatu ba tare da tsoro ba.

A cikin yankin Busia (Kenya), suna wanzuwa sosai kusa da manyan ƙauyukan mutane inda kusan babu ciyayi na halitta. Saboda haka, birai suna cin abinci a masara da sauran albarkatu, kayan amfanin gona.

Fasali na halayen patas

Patas nau'in biri ne na diary wanda ke rayuwa cikin rukunin mutane 15 a matsakaita, a kan babban yanki. Flockaya daga cikin garken birai na 31 birai na buƙatar 51.8 sq. km A ranar, maza na Patas suna motsa kilomita 7.3, mata suna rufe kimanin kilomita 4.7.

A cikin rukunin jama'a, maza sun fi mata yawa sau biyu. Da daddare, garken birai sun bazu a kan yanki na 250,000 m2, sabili da haka guje wa asara mai yawa daga hare-haren da masu cin abincin dare ke yi.

Sake bugun patas

Pathas maza suna jagorantar ƙungiyoyin zuriyarsu, suna saduwa da mata fiye da ɗaya, suna ƙirƙirar "harem". Wani lokaci, namiji zai shiga cikin ƙungiyar birai a lokacin kiwo. Namiji daya ne ya mamaye cikin "harem"; irin wadannan alakar a cikin birrai ana kiransu polygyny. A lokaci guda, yana nuna karfin hali ga sauran samari da barazanar. Gasa tsakanin maza ga mata yana da tsauri musamman a lokacin haihuwa.

Ba a nuna bambanci ba (polygynandrous) ana saduwa a cikin biran Patas.

Yayin lokacin kiwo, maza da yawa, daga biyu zuwa goma sha tara, sun shiga ƙungiyar. Lokacin haifuwa ya dogara da yankin zama. Yin jima'i a cikin wasu al'umman na faruwa ne a watan Yuni zuwa Satumba, kuma 'yan maruƙa suna kyanƙyashe tsakanin Nuwamba zuwa Janairu.

Shekarun balaga sun fara daga shekara 4 zuwa 4.5 cikin maza da kuma shekaru 3 a mata. Mata na iya haifar da offspringa offspringa cikin ƙasa da watanni goma sha biyu, ƙwanƙwasa ɗan maraƙi na kimanin kwanaki 170. Koyaya, yana da wuya a iya tantance ainihin tsawon lokacin daukar ciki dangane da alamun waje. Saboda haka, bayanai game da lokacin haihuwar pan matan da Patan matan Pathas suka samu an samo su ne bisa lura da rayuwar birai a cikin fursuna. Mata na haihuwar ɗiya ɗaya. A bayyane yake, kamar duk birai masu girman girma ɗaya, ciyar da yaran da madara yana ɗaukar tsawon watanni.

Dalilan raguwar adadin Patas

Patas abu ne na farauta tsakanin mazauna yankin, ban da haka, ana kama birai don yin karatu daban-daban, don wannan dalilin har ma ana kiwon su a cikin fursuna. Bugu da kari, patas na lalacewa a matsayin kwaro na kayan amfanin gona a kasashen Afirka da dama. Wannan nau'in na birrai ana fuskantar barazana a wasu sassan zangon saboda asarar muhalli saboda karuwar kwararowar hamada sakamakon tsananin amfani da filaye, gami da wuce gona da iri, sare dazuzzuka don amfanin gona.

Matsayi na kiyayewa patas

Patas na ɗaya daga cikin "astananan Damuwa" nau'in dabbobi, saboda yana da biri mai yaɗuwa wanda har yanzu yana da yawa. Kodayake a yankunan kudu maso gabas na kewayon, akwai sanannen raguwa a cikin adadin wuraren zama.

Patas yana cikin Shafi na II zuwa CITES daidai da Yarjejeniyar Afirka. An rarraba wannan nau'in a wurare masu kariya da yawa a duk faɗin kewayonsa. Mafi yawan birai a halin yanzu suna Kenya. Bugu da kari, kungiyoyin patas suna fadada wuraren da aka kare a waje kuma suka bazu a manyan yankuna na acacia da tsire-tsire na wucin gadi.

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Kalli bidiyon: Patas. Yadamma Raju u0026 Saddam Hussein Performance. 16th February 2018. ETV Plus (Nuwamba 2024).