Hawaiian Goose (Branta sandvicensis) mallakar oda Anseriformes ne. Ita ce alamar jihar na Hawaii.
Alamomin waje na Goose na Hawaiian
Goose ta Hawaii tana da girman jiki na cm 71. Nauyi: daga 1525 zuwa 3050 grams.
Yanayin waje na namiji da mace kusan iri ɗaya ne. Chin, gefen kai a bayan idanu, kambi da bayan wuya suna lulluɓe da launin ruwan kasa mai launin ruwan kasa. Layi yana gudana tare da gefen kai, tare da gaba da gefunan wuya. An sami kunkuntun abin wuya mai duhu launin toka a gindin wuya.
Duk fuka-fukan da ke sama, kirji da bangarorin launin ruwan kasa ne, amma a matakin sikeli da sidewall, sun fi launi duhu tare da hasken rawaya mai haske a cikin hanyar layin wucewa a saman. Kankara da wutsiya baƙaƙen fata ne, ciki da ƙananan gata farare ne. Fukafukan dake rufe reshen launin ruwan kasa ne, gashin jela sun fi duhu. Wananan masu launin ruwan kasa ne ma.
Matasan geese ba su da bambanci sosai da manya ta launin fuka-fukan fuka-fukan su, amma gashin jikinsu ya dusashe.
Kai da wuya suna da baki tare da launin ruwan kasa. Umumbin ruwa tare da ɗan ƙaramin motif motif. Bayan narkakken farko, gean matan Hawaiian suka ɗauki launin fuka-fukan manya.
Lissafin da ƙafafun baƙar fata ne, iris ruwan duhu ne mai duhu. Yatsunsu suna da ƙananan yanar gizo. Goose na Hawaiian tsuntsaye ne wanda aka keɓance, mafi yawan surutu fiye da sauran geese. Kukansa yana da kyau kuma abin tausayi; yayin lokacin kiwo, ya fi ƙarfi da raucous.
Gidan mazaunin Hawaiian
Gwanin Hawaii yana zaune ne a kan tsaunukan tsaunuka na wasu tsaunukan Tsibirin Hawaii, tsakanin mita 1525 zuwa 2440 sama da matakin teku. Musamman ma tana jin daɗin gangaren da ke cike da ciyayi marasa yawa. Hakanan ana samunsa a cikin kauri, da ciyawa da dunes na bakin teku. Tsuntsayen suna da sha'awar mazaunan da ke da tasirin mutane kamar su wuraren kiwo da wuraren wasan golf. Wasu al'ummomin suna yin ƙaura tsakanin gidajen su na gida waɗanda ke cikin ƙananan yankuna da wuraren cin abincin su, galibi akan tsaunuka.
Rarraba kuzarin Hawaiian
Hawaiian Goose wani nau'in tsibiri ne na tsibirin Hawaiian. An rarraba shi a kan tsibirin tare da babban gangaren Mauna Loa, Hualalai da Mauna Kea, amma kuma a cikin ƙananan lambobi a tsibirin Maui, an gabatar da wannan nau'in a tsibirin Molok.
Fasali na halayyar Hawaiian
Geasashen Hawaii suna rayuwa a cikin iyalai yawancin shekara. Daga Yuni zuwa Satumba, tsuntsayen suna haɗuwa don yin hunturu. A watan Satumba, lokacin da ma'aurata ke shirin yin gida, garken suna watsewa.
Wannan nau'in tsuntsayen yana da mata daya. Dabino yana faruwa a ƙasa. Mace ta zaɓi wuri don gida. Geese na Hawaii galibi tsuntsaye ne da ke zaune. Yatsunsu sanye take da membran da ba su ci gaba ba, don haka gabobin sun dace da yanayin rayuwarsu ta duniya kuma suna taimakawa wajen neman abincin tsirrai a tsakanin duwatsu da halittar tsaunuka. Kamar yawancin jinsin umarni, Anseriformes yayin zafin nama, geese na Hawaii ba zai iya hawa fikafikan ba, tunda gashin kansu yana sabuwa, saboda haka suna buya a kebabbun wurare.
Kiwan Hawaiian Goose
Geasar geesi ta zama nau'i-nau'i na dindindin. Halin aure yana da rikitarwa. Namiji na jan hankalin mace ta hanyar juya masa baki da ita da kuma nuna fararen sassan jelar. Lokacin da aka ci nasara da mace, duk abokan haɗin gwiwar suna nuna wata nasara ta nasara, yayin da namiji ya jagoranci mace daga abokan hamayyarsa. Bayanin zanga-zangar ya biyo bayan wata al'ada ce ta asali wacce duka abokan biyu ke gaishe da juna tare da sunkuyar da kansu ƙasa. Tsuntsayen da suka haifar da shi suna ihu suna cin nasara, yayin da mace ke fuka fukafukanta, da kuma maza suna nunawa, suna nuna dusar dajin dabbar.
Lokacin kiwo yana daga watan Agusta zuwa Afrilu, wannan shine mafi kyawun lokacin kiwo don geese na Hawaiian. Koyaya, wasu mutane suna sheƙan gida daga Oktoba zuwa Fabrairu a cikin tsakiyar lawa outcrops. Gida yana kan kasa a cikin dazuzzuka. Mace na haƙa ƙaramin rami a ɓoye, ɓoye a cikin ciyayi. Clutch ya ƙunshi ƙwai 1 zuwa 5:
- a Hawaii - kimanin 3;
- akan Maui - 4.
Mace tana ɗaukar ciki ita kaɗai har kwana 29 zuwa 32. Namiji yana nan kusa da gida kuma yana ba da tsaro a kan gidan shurin. Mace na iya barin gida, tana barin ƙwai na tsawon awanni 4 a rana, a lokacin tana ciyarwa tana hutawa.
Kaji na zama a cikin gida na dogon lokaci, an rufe shi da m haske ƙasa. Da sauri sun zama masu cin gashin kansu kuma suna iya samun abinci. Koyaya, samarin Hawainiya ba za su iya tashi sama ba har zuwa kimanin watanni 3, wanda hakan ke sa su zama masu saukin kamuwa da su. Sun kasance cikin ƙungiyar har zuwa kakar wasa mai zuwa.
Hawaiian goose abinci mai gina jiki
Geese na Hawaiian ganye ne na gaske masu cin ganyayyaki kuma suna ciyarwa galibi akan abincin shuke-shuke, amma suna kama tsutsa da kwari tare da ita. Wannan ɓoye a tsakanin tsire-tsire Tsuntsaye suna tara abinci a ƙasa kuma su kaɗai. Suna kiwo, suna cin ciyawa, ganye, furanni, 'ya'yan itace da' ya'yan itace.
Matsayin kiyayewa na goose na Hawaiian
Geese na Hawaii sun kasance da yawa sosai. Kafin zuwan balaguron Cook, a ƙarshen karni na sha takwas, adadinsu ya fi 25,000. Mazaunan sun yi amfani da tsuntsaye a matsayin tushen abinci kuma suna farautar su, har suka kusan kusan hallaka su.
A cikin 1907, an hana farautar geese na Hawaiian. Amma a shekara ta 1940, yanayin jinsin ya tabarbare sosai saboda hassadar dabbobi masu shayarwa, tabarbarewar mazaunin da kuma hallaka dan adam kai tsaye. Hakanan an sami sauƙin wannan aikin ta lalata gurbi don tattara ƙwai, haɗuwa da shinge da motoci, yanayin raunin tsuntsayen da ke balaga yayin narkar da su yayin da dodo, aladu, beraye da sauran dabbobin da aka gabatar suka kawo musu hari. Geese na Hawaiian ya kusan kusan kusan ɓacewa daga 1950.
Abin farin cikin shine, kwararrun sun lura da yanayin halittar da ba kasafai ake samu a cikin dabi'a ba kuma sun dauki matakan hayayyafa da giyar Hawaii a cikin garkuwar da kuma kare wuraren da ake yin lalata. Saboda haka, tuni a cikin 1949, an saki rukunin farko na tsuntsaye zuwa mazauninsu, amma wannan aikin baiyi nasara ba sosai. Kimanin mutane 1,000 ne aka sake shigar da su Hawaii da Maui.
Matakan da aka ɗauka a kan lokaci ya sa ya yiwu a ceci nau'in haɗarin.
A lokaci guda, geese na Hawaiya yana mutuwa koyaushe daga masu farauta, babbar cutarwa ga yawan tsuntsayen da ba kasafai suke faruwa ba ta hanyar mongoses, wanda ke lalata ƙwai tsuntsayen a cikin gidajensu. Sabili da haka, halin da ake ciki ya kasance mara ƙarfi, duk da cewa wannan nau'in yana da kariya ta doka. Gwanin Hawaii yana cikin Lissafin IUCN kuma an lasafta su a cikin jerin tarayya na nau'ikan nau'ikan da ke Amurka. Wani nau'in da ba safai ake samun sa ba a CITES Rataye Na 1.
