Red Colobus na Niger Delta

Red Colobus na Niger Delta (Piliocolobus epieni) nau'in biri ne mai haɗari wanda ke cikin yammacin yankin Neja Delta. Yana fuskantar barazanar farauta da asarar mazauni.

 Tarihin lissafi 
Daga lokacin da aka fara saninsa ga kimiyya (a cikin 1993) har zuwa 2007 ko 2008, an ɗauke shi a matsayin nau'in jan colobus na yamma ('Procolobus badius) kuma kwanan nan Pennant's colobus (Procolbus pennantii), kuma sunansa na trinomial shine 'Procolobus badius epieni ko Procolobus pennantii epieni .  Colin Groves ya gane jan colobus na Nijar Delta a matsayin cikakkiyar jinsin a cikin 2007, kodayake Groves ya yi la'akari da dukkan jan colobus, gami da jan colobus ya Nijar Delta don kasancewa a cikin jinsin maimakon Procolobus (an bi wannan nomenclature a nan).  Koyaya, wasu marubutan suna la'akari da Piliocolobus a matsayin wani ɓangare na Procolobus.

 Bayyanawa 
Red colobus na Nijar Delta baƙar fata ne a saman daga kai zuwa rump, ya zama orange-brown a ɓangarorin da kafafu na waje. Ƙananan ƙafafun da ƙafafun ciki, kuma mafi yawan hannayensu fari ne. Hannunsu da ƙafafunsu baƙi ne. Wutsiyar tana da launin ja-launin a saman kuma tana da launin ruwan ƙasa ko launin ruwan ƙasa, tana zama duhu zuwa ƙarshen. Yana da fararen gemu.Mittermeier, R.A.; Wallis, J.; Rylands, A.B.; Ganzhorn, J.U.; Oates, J.F.; Williamson, E.A.; Palacios, E.; Heymann, E.W.; Kierulff, M.C.M.; Long Yongcheng; Supriatna, J.; Roos, C.; Walker, S.; Cortés-Ortiz, L.; Schwitzer, C., eds. Groves, C. (2007). 

 Rarraba 
Ana samun jan colobus na Neja Delta ne kawai a yammacin yankin Neja Delta . Groves, C. (2007).  An ƙuntata shi ga gandun daji, wato, gandun daji tare da teburin ruwa mai tsawo a duk shekara amma babu ambaliyar ruwa.Mittermeier, R.A.; Wallis, J.; Rylands, A.B.; Ganzhorn, J.U.; Oates, J.F.; Williamson, E.A.; Palacios, E.; Heymann, E.W.; Kierulff, M.C.M.; Long Yongcheng; Supriatna, J.; Roos, C.; Walker, S.; Cortés-Ortiz, L.; Schwitzer, C., eds.  Yana raba wannan mazaunin tare da wasu nau'o'in dabbobi da yawa, gami da guenon mai farin wuyan Najeriya (Cercopithecus erythrogaster pococki), mangabey mai jan gashi (Cercocebus torquatus), biri mai hanci (Cercopithecus nictitans), biri (Cer Copithecus mona), kuma watakila kuma itacen zaitun (Procolobus verus). 

 Matsayi 
Lokacin da aka fara gano shi, jan colobus na Nijar Delta ya zama ruwan dare a cikin gida amma a ƙarƙashin matsin lamba daga sare daji, musamman katako na Hallea ledermannii, wanda shine muhimmin itacen abinci ga biri.Mittermeier, R.A.; Wallis, J.; Rylands, A.B.; Ganzhorn, J.U.; Oates, J.F.; Williamson, E.A.; Palacios, E.; Heymann, E.W.; Kierulff, M.C.M.; Long Yongcheng; Supriatna, J.; Roos, C.; Walker, S.; Cortés-Ortiz, L.; Schwitzer, C., eds.  Tun daga wannan lokacin, matsin lamba daga farautar nama da katako ya karu. Red colobus monkeys gabaɗaya suna da mahimmanci ga farauta da rikice-rikice na mazaunin, saboda haka damuwa cewa jinsin na iya kasancewa a gefen halakawa.

Har yanzu ana samun jan colobus na Nijar Delta a cikin Edumanom Forest Reserve a cikin shekara ta 2008.  Koyaya, tun daga shekara ta 2008, Ƙungiyar Ƙasashen Duniya don Kula da Yanayi (IUCN) ta ɗauki shi cikin haɗari, saboda raguwar yawan jama'a sama da 80% a cikin shekaru 30 da suka gabata wanda ya haifar da farauta da asarar mazauni. A cikin shekara ta 2010, an haɗa jan colobus na Nijar Delta a cikin jerin sunayen 25 mafi haɗari a duniya, wanda IUCN da sauran kungiyoyi suka buga.

 Manazarta