Sparrowhawk mai jan gefe (Accipiter ovampensis) na tsarin Falconiformes ne.
Fasali na alamun waje na jan gorar gefe
Sparrowhawk mai jan launi yana da girman kusan 40 cm Fikafikan daga 60 zuwa 75 cm. nauyi ya kai gram 105 - 305.
Wannan karamin mai farauta mai fuka-fukai yana da sifa da yanayin jiki, kamar kowane shaho na gaskiya. Bakin bakinsa gajere ne. Kakin zuma da ruwan hoda, kan yana karami, mai karamci. Kafafun suna da sirara da tsawo. Endsarshen ya kai matsakaiciyar tsayi don wutsiya, wanda yake gajere kaɗan. Alamomin waje na miji da mata iri daya ne. Mata sun fi maza girma da kashi 12% kuma sun fi maza nauyin 85%.
A cikin launi na plumage a cikin jan-gefe sparrowhawks, siffofin daban-daban guda biyu ana lura dasu: siffofin haske da duhu.
- Maza masu haske suna da shuɗi mai launin shuɗi-shuɗi. A kan jela, zaren launuka masu launin baƙi da launin toka madadin. An yi ado da girar tare da ƙananan farin ɗigon fari, waɗanda suke sananne sosai a lokacin lodin hunturu. Biyu na gashin tsuntsaye na tsakiya tare da ratsiyoyi da launuka daban-daban. Maƙogwaro da ƙananan jikinsu gaba ɗaya suna da launin toka da fari, ban da ƙananan ciki, wanda yayi fari fari-dai-dai. Mata na sifa mai haske suna da launin tabarau mai launin ruwan kasa kuma ƙasan ta zama mai kaɗa sosai.
- Manya masu launin ja masu launin-shuɗar Sparrowhawks gabaɗaya masu launin launin ruwan kasa ne, sai dai wutsiya, wacce ke da launi kamar tsuntsu mai siffa mai haske. Iris ne mai duhu ja ko launin ruwan kasa mai ja. Gwanin da ƙafafun launin rawaya-lemu ne. Birdsananan tsuntsaye suna da launin ruwan kasa masu haske. Giraren da ake iya gani sama da idanu. An rufe jela da ratsi-ratsi, amma fararen launin su kusan ba fitattu bane. Isasan yana da mau kirim tare da taɓa duhu a gefen. Iris na ido launin ruwan kasa ne. Legafafu rawaya ne.
Wurin zama na sparrowhawk mai ja-gefe
Spananan sparrowhawks masu launin ja suna zaune a cikin busassun mutane masu yawa na savannas shrub, kazalika a cikin yankuna da ƙaya mai ƙaya. A Afirka ta Kudu, da yardar rai sukan zauna a kan shukokin shuka da yawa na bishiyar eucalyptus, poplar, pines da sisal, amma koyaushe suna kusa da su a wuraren buɗe ido. Masu farautar fuka-fukai sun tashi zuwa kusan kilomita 1.8 sama da matakin teku.
Yada sparrowhawk mai jan gefe
Sparrowhawks masu jan-kafa suna rayuwa a nahiyar Afirka.
An rarraba shi kudu da Hamadar Sahara. Wannan nau'in tsuntsayen masu cin nama ba sananne bane, kuma abin ban mamaki ne, musamman a Senegal, Gambiya, Saliyo, Togo. Kuma a cikin Equatorial Guinea, Najeriya, Jamhuriyar Afirka ta Tsakiya da Kenya. Red-side Sparrowhawks an fi saninta da kudancin nahiyar. Ana samun su a Angola, kudancin Zaire da Mozambique har zuwa kudancin Botswana, Swaziland, arewacin da Afirka ta Kudu.
Fasali na halayyar jan gorar jan goro
Arananan sparrowhawks masu rai-biyu suna rayuwa kai tsaye ko kuma bibbiyu. Yayin lokacin saduwar aure, namiji da mace na shawagi ko yin zirga-zirgar madauwari tare da kuka mai ƙarfi. Maza kuma suna nuna jiragen da ba sa saurin sauka. A kudancin Afirka, tsuntsayen dabbobi masu cin nama suna rayuwa akan bishiyoyi masu ban sha'awa tare da sauran masu farauta masu fuka-fukai.
Shaho mai gefe-gefe dukkansu tsuntsaye ne marasa nutsuwa da makiyaya, suma suna iya tashi.
Mutane daga Afirka ta Kudu galibi suna rayuwa a cikin yanki na dindindin, yayin da tsuntsaye daga yankunan arewacin ke ƙaura koyaushe. Ba a san dalilin waɗannan ƙaura ba, amma tsuntsayen suna tafiya daidai a kai a kai zuwa Ecuador. Wataƙila, suna yin tafiya mai nisa irin haka don neman wadataccen abinci.
Sake haifuwa da sparrowhawk mai jan launi
Lokacin narkakku na jan gorar jan goro yana tashi daga watan Agusta zuwa Satumba zuwa Disamba a Afirka ta Kudu. A watannin Mayu da Satumba, tsuntsaye masu cin nama sun yi kiwo a Kenya. Ba a san bayani game da lokacin kiwo a wasu yankuna ba. An gina ƙaramin gida a cikin fasalin gilashi daga ƙananan rassa. Tana da tsawon santimita 35 zuwa 50 kuma zurfin santimita 15 ko 20. A ciki an shimfide shi da ƙananan iganƙara ko yanki na baƙon itace, bushe da koren ganye. Gida yana kan mita 10 zuwa 20 sama da ƙasa, yawanci a cokali mai yatsa a cikin babban akwati daidai ƙarƙashin alfarwa. Sparrowhawks masu jan ido koyaushe suna zaɓar itace mafi girma, galibi poplar, eucalyptus ko pine a Afirka ta Kudu. A cikin kama, a matsayin mai mulkin, akwai ƙwai 3, waɗanda mace ke ɗauka na tsawon kwanaki 33 zuwa 36. Kaji na zama a cikin gida na tsawon kwanaki 33 kafin daga bisani su tafi.
Cin sparrowhawk mai jan gefe
Redar gefe Sparrowhawks ganima galibi akan kananan tsuntsaye, amma kuma wani lokacin sukan kama kwari masu tashi. Maza sun fi so su afka wa ƙananan tsuntsaye na umarnin Passerine, yayin da mata, suka fi ƙarfi, suna iya kama tsuntsayen kwatancin kurciya. Mafi yawanci wadanda abin ya shafa suna kofato ne. Maza suna zaɓar ganima waɗanda nauyinsu yakai gram 10 zuwa 60, mata na iya kama ganima har zuwa gram 250, wannan nauyin wani lokacin yakan wuce na jikinsu.
Sparrowhawks masu jan launi sau da yawa sukan kawo hari daga kwanton bauna, wanda ko dai ɓoyayyen ɓoyayye ne ko a buɗe kuma sanannen wuri. A wannan yanayin, tsuntsaye masu ganima suna hanzarta fita daga ganyen kuma su kwace abincinsu yayin tashi. Koyaya, ya fi dacewa da wannan nau'in tsuntsayen masu cin nama don bin dabbobinsu na shawagi a kan daji ko kan ciyawar da ta ƙunshi yankin farautar su. Red-side Sparrowhawks suna farautar tsuntsaye guda ɗaya da garken ƙananan tsuntsaye. Suna yawan tashi sama sama, wani lokacin kuma sukan sauka daga tsayin mitoci 150 don kama ganima.
Matsayin kiyayewa na sparrowhawk mai ja-gefe
Red-side Sparrowhawks galibi ana ɗaukarsu tsuntsaye ne da ba safai ba a mafi yawansu, ban da Afirka ta Kudu, inda aka dace da su zuwa gida kusa da gonaki da kuma ƙasar da za a iya noma.
Saboda wannan, suna yaduwa sosai fiye da sauran nau'ikan da ke cikin shaho na gaskiya. A cikin wadannan yankuna, yawan nest ba shi da yawa kuma an kiyasta shi a na 1 ko 2 nau'i biyu a kowane murabba'in kilomita 350. Ko da irin wadannan bayanan ne, an kiyasta yawan gwarare masu jan-baki a dubun-dubatar mutane, kuma duk mazaunin jinsin yana da girma kwarai da gaske kuma yana da yanki mai murabba'in kilomita miliyan 3.5. Halin da ake ciki game da wanzuwar jinsin a gaba yana da kyakkyawan zato, kamar yadda masu jan ido masu jan ido suke da nutsuwa, kamar suna ci gaba da sabawa da mazaunin a ƙarƙashin tasirin ɗan adam. Da alama wannan yanayin zai ci gaba kuma wannan tsuntsayen mai farautar zai mallaki sabbin shafuka nan gaba. Sabili da haka, gwarare masu jan launi ba sa buƙatar kariya da matsayi na musamman, ba a amfani da matakan kariya na musamman a kansu. An rarraba wannan nau'in a matsayin mafi barazanar haɗari.
