Gooananan Goose Goose (Branta hutchinsii) na mallakar Anseriformes ne na oda.
Alamomin waje na ƙaramar ƙullen Kanada
Gooananan Goose Goose yana da girman jiki kusan 76 cm.
Fuka-fukai: 109 - 119 cm.
Tsuntsayen yana da nauyin gram 950 - 3000.
A bayyane ya yi kamanceceniya da Goose na Kanada, saboda haka ana kiran shi sau da yawa "canadian ƙananan goose". A baya can, Gasar Kanada ana ɗaukarta rukuni ne na ƙawancen Kanada.
Idan kun sanya tsuntsayen duka nau'ikan jinsuna gefe da gefe, to bisa mizanin ma'aunin nauyi na jiki, yana da matukar wahalar bambance su da juna, saboda mafi girman gorin Kanada da mafi kankantar Kanada suna da nauyin daya, kadan fiye da kilogram uku. Koyaya, a mafi yawan lokuta, geese na Kanada sunfi tsuntsaye girma, zasu iya kaiwa kilogram 6.8. A cikin jirgin, erananan Goose za a iya rarrabe ta ta gajarta mafi gajarta. Bayanin halayyar ɗabi'a yana ba ka damar rarrabe gandun daji na Kanada da kuka mai ƙarfi.
A cikin ƙaramar ƙangin Kanada, wuya da kai baƙi ne.
Kasan kansa yana ketare da wani farin tebur mai faɗi wanda ya fara daga buɗe kunne zuwa ɗayan buɗewar. Umbin jikin a cikin ruwan toka mai ruwan toka. Paws suna baƙar fata. Wutsiyar baƙar fata ce, mai tsananin bambancin launi da ƙaton ƙugu, tare da faɗakarwar faɗi mai faɗi yana gudana. Bakin bakin gajere ne kuma mai siffa daban da ta Kanada. Kunkuntar farin abin wuya ya kawata kasan wuyanta ya kuma fadata a kasa.
Gidajen ofananan Gooananan Kanada
Gooananan Goose suna zaune a wurare da yawa a lokacin lokacin kiwo, galibi a cikin tundra, kusan koyaushe kusa da ruwa. Yana sauka a cikin makiyaya, a gadajen bishiyoyi ko wuraren da kananan bishiyoyi da bishiyoyi tare da 'ya'yan itace ke girma, shine babban abincin manyan tsuntsaye kuma mai nidifier.
A cikin hunturu da lokacin ƙaura, ƙaramin ƙwarin Kanada yana zaɓar ruwan da ke cikin ƙasa: tabkuna, koguna da fadama. A cikin yankuna na bakin teku, ana iya samun wannan nau'in tsuntsayen a yankunan marshy wadanda ambaliyar ruwa ta mamaye su, wuraren ruwa da yankuna masu laka a yankin da ke cikin ruwa, lagoons da ruwan kwalliya, ciyawar ciyawa da filayen noma. A wannan lokacin, ana iya lura da ƙananan geese na Kanada a kan ciyawar ciyawa na birane da kewayen gari, amma koyaushe kusa da ruwa.
Rarraba Gooaramar Goose
Brent geese gida a arewa da tsakiyar Kanada da Alaska. A ƙetaren mashigin Bering, sun kasance sanannen abu ne a Yankin Kamtchaka, gabashin Siberia, arewacin China, da Japan. A lokacin hunturu, tsuntsaye suna tashi zuwa sararin samaniya tare da yanayi mai sauki, zuwa Amurka (Texas) da Mexico.
Goose Goose ta samar da kananan abubuwa guda biyar, wadanda suka sha bamban galibi cikin girman jiki da nauyi. Launin plumage ba shine babban ma'aunin tantance ƙananan ragi ba.
- B. h. hutchinsii yana zaune a arewacin, tsakiyar Kanada, Greenland, matsakaicin nauyi - kilogram 2.27, damuna a Texas da arewacin Mexico.
- B. leucopareia an same ta ne a cikin Tsubirin Aleutian, nauyinta yakai kilogiram 2.27, da damuna a tsakiyar California.
- B. minima - a yammacin Alaska, nauyi - kilogiram 1.59, damuna a California har zuwa kudancin Mexico.
- B. taverneri yana zaune a arewa maso gabashin Alaska, arewacin Kanada, yayi ƙaura zuwa kudu maso yammacin Amurka da Mexico.
- B. Asiatica tabbas tana zaune a Siberia a ɗaya gefen Bering Strait, amma wanzuwar waɗannan ƙananan abubuwan abin tambaya ne.
Abubuwan halaye na ƙananan ƙarancin Kanada
A lokacin ƙaura da kuma filayen hunturu, ƙananan geese na Kanada tsuntsaye ne masu son jama'a. Kowane ɗayanku da dangi suna yin manyan tarin yawa tare da geese na Kanada. Yayin da lokacin kiwo ya gabato, Brent Geese yana kare yankinsu da tsananin nuna halin haushi.
Wannan jinsi na ƙaura, raunin mutane masu ƙaura sun kunshi iyalai da mutane. Yayin jirgin, garken suna motsawa cikin lankwasa mai fasalin V kuma, a matsayin mai ƙa'ida, sun kasance a ƙananan mizani tsakanin mita 300 zuwa 1000. Jiragen sama suna aiki a yamma kuma suna ci gaba na wasu awanni ba tare da tsangwama ba. Matsakaicin saurin tafiya shine kilomita 50 a awa daya.
Kiwo na Karamin Goose
Brent geese ya kai ga balagar jima'i a shekara ta biyu. Sun kasance sun zama masu auren mace daya kuma sun zama ma'aurata na dogon lokaci. Koyaya, idan tsuntsu ɗaya ya mutu, to na biyun ya sami sabon abokin zama. Kiwo geese gida a cikin wani m wuri. Mace tana zaɓar wani shafi a cikin babban wuri, wanda ke ba da kyakkyawar gani game da tafki ko kogi. Wani lokacin gida yana kan karamin tsibiri a tsakiyar kogin. Ofaya daga cikin rukunin ƙasashe, wanda ke zaune a tsibirin Aleutian, gida-gida a cikin raƙuman ruwa a kan tudu ko kan dutsen.
Sau da yawa ana amfani da tsofaffin gida.
Gida ta samo asali ne ta hanyar moss, lichen, sedge kuma an kawata shi da fuka-fukai. Akwai kwai guda 4 ko 5 a cikin kama, wanda mace ce kaɗai ke zaune a ciki har tsawon kwanaki 11-14. A wannan lokacin, namiji yana kula da kama. Karo suna barin gida bayan awanni 24, tuni a wannan shekarun suna iya tafiya, iyo, iyo ruwa da abinci da kansu. Bayan makonni 6-7, sun sami cikakken 'yanci kuma sun bar mashigar ruwa. Koyaya, samari geese sun kasance cikin ƙungiyar iyali a lokacin hunturu na farko.
Ciyar da Gooaramin Yaro
A lokacin rani a kan yankin tundra, ƙaramin geese na Kanada yana ciyar da yawancin abincin tsire-tsire: ciyawa, ciyawa da 'ya'yan itace. Ba da daɗewa ba kafin ƙaura, suna ci da ƙwaya mafi tsaba don tara kitse mai kauri, wanda shine tushen kuzari yayin dogon jirage.
Brent geese na cire abinci daga ruwa, nutsar da kawunansu da wuya don isa tsire-tsire da ake so.
A lokacin hunturu, tsuntsayen sukan tsaya a gona, inda suke cin alkama da sha'ir na hunturu. Hakanan suna ciyar da kwari, crustaceans, da molluscs.
Matsayin kiyayewa na Little Goose
Gooananan Goose, kamar gandun daji na Kanada, ɗayan ɗayan Anseriformes ne da suka fi yaduwa a cikin Arewacin Amurka. Masu sa ido na tsuntsaye suna da matsala babba wajen gano ƙananan rabe-raben don gano ƙananan rukunin da suka fi sauƙi ga barazanar iri-iri. Little Goose yana da matukar damuwa game da gurɓatar muhalli ta hanyar mahaɗan gubar da magungunan ƙwari. Wannan nau'in yana cikin matsi daga mafarauta. Yin amfani da gas da filayen mai a cikin Arctic yana haifar da lalata mahalli, yana haifar da wani haɗarin kasancewar ƙananan Canadianan ƙasar Kanada a cikin tundra.
Leungiyoyin B. leucopareia da ke zaune a tsibirin Aleutian suna da cikakkiyar kariya, amma matsalolin gano tsuntsayen wannan ƙananan keɓaɓɓu daga mafarauta suna haifar da hallaka tsuntsayen da ba a so.
https://www.youtube.com/watch?v=PAn-cSD16H0
