Yankin Jay DayCyanocitta cristata) ya haɗu daga gabashin Amurka da kudancin Kanada zuwa Gasar Mexico. Yawancin tsuntsayen da ke zaune a arewacin iyaka suna yin ƙaura zuwa kudu a cikin hunturu. Jirgin yana faruwa yayin awowi na hasken rana a cikin garken tsuntsaye 5-50 ko fiye (an lura da garken da ke da kusan tsuntsaye 3,000). Jaayoyi masu launin shuɗi suna zaune a wurare da yawa - mazauna gandun daji, wuraren shakatawa da lambuna, wuraren zama na kewayen. Amma duk da haka suna ba da fifiko ga itacen oak masu gauraye da gandun daji na beech, duk da haka, a yamma daga cikin kewayon za'a iya samun su a cikin busassun bishiyoyi da ciyayi.
Bayanin
Tsawon jikin wadannan kyawawan tsuntsaye ya kai 30 cm, kifin ya kusan 42 cm, nauyin yana daga 70 zuwa 100 g. Jay mai launin shuɗi yana da shuɗi baya, doguwar shuɗi mai haske, wani abin wuya mai launin shuɗi, wani shuɗi mai launin shuɗi-fari da fuka-fuki farin taguwar wutsiya. Mata da maza suna da launi iri ɗaya, amma maza sun fi girma girma. Gefensu yana da ƙarfi, godiya ga abin da jays yake iya dirar tsaba. Wadannan tsuntsayen suna iya yin sautuka da yawa iri daban-daban, alal misali, muryar waka mai ban sha'awa da sautuna masu kama da kararrawa kararrawa, suna kwaikwayon kukan shaho, suna kururuwa da ƙarfi, suna faɗakarwa game da kusancin maƙiyin, ma'auratan, suna magana da juna, suna sa sauti kama da naɗaɗɗen m. Wasu lokuta jays suna kwaikwayon shaho don yaudarar sauran tsuntsaye kuma su kore su daga abinci. Suna da kirki sosai, a zaman talauta sukan yi koyi da sauri wajan yin magana da maganganun mutane.
Abinci da Halaye
Jays mai launin shuɗi - tsuntsayen zamantakewa, ana sa su cikin nau'i-nau'i, kananan ƙungiyoyi ko fakitoci. Jays suna da iko sosai, abincinsu ya hada da kayan lambu biyu (acorns, beech nuts, tsaba da 'ya'yan itace, berries - har zuwa 78%) da abincin dabbobi (gwoza, ciyayi, gizo-gizo, millipedes, caterpillars, ƙananan ƙananan hanyoyin - kajin da ƙwai, lizards da frogs, mice - har zuwa 22%), kazalika da ɗaukar kaya. Jays masu launin shuɗi sukan dauki ganima daga wasu tsuntsaye. Mutane marasa ƙaura suna yin ajiyar wurare don hunturu, alal misali, an ɓoye ciyawar da tsaba a cikin kayan kwandon ko a ƙarƙashin ganye, ana binne su a cikin ƙasa. Ayaya daga cikin jay a lokacin faɗuwar rana na iya "shirya" har zuwa shinge dubu uku na 3-5. A wani lokaci, wannan tsuntsu yana ɗaukar itacen oak biyu zuwa biyar - yana ninka itacen oak 2-3 zuwa cikin goiter, ɗayan yana riƙe a bakin kuma ɗayan cikin bek.
Nesting
Jays mai launin shuɗi monogams samar da m nau'i-nau'i (wani lokacin ma rayuwa.) Yawanci, da nests daga cikin wadannan tsuntsaye 18-20 cm a diamita suna located a cikin cokali na a ƙarshen rassan deciduous ko coniferous itatuwa 3-10 m sama da ƙasa. Tsuntsayen da suke amfani da su a waje da gida sun kakkarye daga bishiyoyi masu rai. Tushen da dama waɗanda suka dace da gida, ana tattara jays a cikin sabon rami, sabon kaburbura a cikin makabartu, daga bishiyoyi da suka faɗi kwanan nan, da dai sauransu Duk waɗannan za a iya dage farawa, kuma wani lokacin ana ɗaure su da ƙasa mai laushi ko yumɓu. An shirya farantin gida tare da shinge, ulu, lichen, takarda, ganye bushe da ciyawa. Kafin kammala ginin gidan, tsuntsayen suna gina gidaje da yawa wadanda basu cika ba - wannan wani bangare ne na tsararraki. Ciyar da mace shima wani bangare ne na wannan al'adar - tunda tayiwa mutumin tayi akan bishiyar makwabta, mace zata dauki matsayin kajin yana neman abinci kuma namiji ya ciyar da ita. Idan gida ya gano ta wurin magabataccen tsuntsaye, tsuntsaye na iya barin ta har abada.
A lokacin kiwo, hanyoyin magana suna da natsuwa.
15.07.2015
Blue Jay (Latin Ceanocitta cristyata) tsuntsu ne mai kyawun gani mai kyan gani daga dangin Corvidae na tsarin Passeriformes. Mark Twain ya taɓa ambata cewa ana kiran jays tsuntsaye kawai saboda suna da gashin fuka-fukai kuma ba sa zuwa coci. In ba haka ba, suna yin abubuwa iri ɗaya ne kamar mutane. Suna rantsuwa, wayo kuma suna kwance a kowane lokaci.
Halayyar
Blue Jay yana da suna kamar mara sauti mai rauni. An san ta ne saboda irin yadda take murƙushe fuskarta da kuma ikon yin kwaikwayon sautin kukan shaho. Tsuntsu sau da yawa yana amfani da wannan don fitar da masu fafatawa daga mai ciyarwa. Wannan yaudarar ba ta daɗewa. Yawancin lokaci, bayan wani lokaci, tsuntsayen da aka yaudare su dawo.
Wani lokacin jay na faranta wa wasu rai da waka mai taushi da natsuwa ko kwaikwayon sautin kide-kide. Duk da kyawun fuskarta, yana sauƙaƙa kanta cikin rassan itace, koda duk abin da ke kewaye da dusar ƙanƙara ne. wakilan wannan nau'in manyan masu koyi ne.
Kasancewa cikin zaman talala, suna sauƙin kwaikwayon maganar mutum.
Hanyar sadarwa tare da juna na faruwa ne ta hanyar taimakon crest. Yayin tashin hankali ko raɗaɗin raɗaɗin motsin zuciyar mutum, yanayin yakan tashi tsaye a tsaye. A cikin tsuntsu mai mamakin, ana tura shi gaba, kuma cikin rawar jiki mai tsoro, yana kama da goga mai yatsu don tsabtace kwalabe.
Gidajen shakatawa na shuɗi masu launin shuɗi suna tare da tekun Arewacin Amurka duka. A matsayinka na mai mulkin, suna zaune a cikin ƙananan garke. Jay ta kasance daga cikin tsuntsayen masu ƙaura ne, saboda northernan arewa kawai suna tafiya zuwa kudu. Rukunin mutane 5 zuwa 3,000 za su tashi yayin rana. A cikin hunturu, galibi sukan tashi zuwa cikin kewayen birni, wuraren shakatawa da kuma gonaki.
Abincin launin shuɗi masu launin shuɗi ya ƙunshi kwayoyi daban-daban, iri, kwari, berries da ƙananan dabbobi. Ta kan lalatar da gidajen sauran mutane. Tsuntsu yana yin ajiyar filaye don hunturu a cikin ramin tsohuwar bishiyoyi, a cikin fasa tsakanin haushi, binne tsaba a cikin ganyayyaki da suka fadi, kuma, saboda haka, yana haɓaka haifuwar bushes da bishiyoyi. Tana iya ɓoye ciyawa 5000 a rana. A wani lokaci, tsuntsun yana ɗaukar itacen oak 5 a cikin bakin sa.
An bambanta Blue Jay ta hanyar hankali da yaudara. Da ta lura da hadarin, nan take ta fara fitar da kururuwa, tana gargadin dukkan tsuntsayen da ke kusa da su. Lokacin da mai tsokanar zalunci ya bayyana, tsuntsayen suka hada kai cikin garken kuma suka kai hari.
Kiwo
Blue Jay ta ɗauki abokin aure don rayuwa. Ma'aurata suna yin magana ta amfani da sautuka mai sanyin famfo. Tsuntsayen suna gina gida mai kyau a cikin rassan daji ko bishiya a tsawan mita 3 zuwa 10. Sun gina ta daga sababbin rassu.
Bottomarshen gida yana yin layi tare da asalinsu. Duk wannan yana kwance sosai, wani lokacin kuma za'a gyara shi da yumbu. Ciyar da mace wata irin al'ada ce. Bayan ta dauki matsayin karen wanda ya nemi abinci, mace tana jira namiji ya ciyar da ita.
Matar tana tsintsiyar shiga cikin kajin. Sau biyu a shekara, tana sanya ƙwai sau uku zuwa shida. A yayin da maharbi ya gano wani gida, tsuntsaye za su bar ta har abada.
A cikin ɗayan huɗa akwai ƙwai 7 na launin kore-rawaya ko shuɗi tare da duhu aibobi. Bayan kwanaki 8, an haifi kajin.
Duk iyayen sun ciyar da jarirai da kuma kula da su. Suna tsaftace gashin fuka-fukan su, suna da ɗumi da kuma kariya daga haɗari.
Bayan kwanaki 5, idanun kajin ke budewa, kuma bayan sati daya sai maginin ya fara girma. Bayan 'yan kwanaki kafin tashin farko, yaran sun fara fita daga gida suna tafiya tare da rassan itace. Ba sa yin nesa da shi daga sama da mita 5. Kwanaki 20 bayan haihuwar su, kajin sun riga sun san yadda zasu tashi, amma basa tashi daga mazaunin su sama da mitoci 20. A duk lokacin kaka, yara kanana suna kusa da iyayensu, kuma a lokacin hunturu suna zama mai 'yanci.
Farkon ƙaramin Yari na faruwa ne a ƙarshen watan Agusta. Tsuntsaye manya sun fara molt a watan Yuli kuma sun ƙare a watan Satumba. A lokacin motsa jikin, jays sukanyi wanka, wasu lokuta sukan cika kwari a ƙarƙashin gashinsu.
Abu ne mai sauki ka bambanta shuɗi mai launin shuɗi daga wasu tsuntsaye ta wutsiyarta mai baƙar fata da fararen fata, shuɗi baya, gajeren shuɗi mai launin shuɗi wanda ke zaune a cikin fikafikan sa, abun wuya a wuyan sa da wata baƙar fata da fari da shuɗi. Karamin tsuntsu ya kai kimanin gram 100. Tsawon jikin mutum baya wuce cm 30, kuma fikafin nisan sa ya kai 40 cm.
Tsammani rayuwa na shuɗar shuɗi, gwargwadon yanayin muhalli, ya kama daga shekaru 10 zuwa 18.
Arewacin Amurka Jay Rayuwa
Jays mai launin shuɗi tsuntsaye ne masu wayo.
Idan jay ta gano hatsari, sai ta yi ihu da ƙarfi, tana ba da rahoton barazanar ga sauran tsuntsayen da dabbobi. Jays galibi shiga cikin kungiyoyi tare da kai hari ga magabatan.
Jays da ke zaune a sassan arewacin zangon ya yi ƙaura zuwa kudu, amma wasu mutane na iya zama cikin wurin a cikin hunturu. Jays ya tashi yayin awoyi na hasken rana. Suna tafiya tsakanin mutane 5-50, amma wani lokacin sukan tara manyan garken - kusan tsuntsaye 300.
Jays mai launin shuɗi yana zaune cikin nau'i-nau'i ko a cikin kananan kungiyoyin iyali.
Molt na farko a cikin kananan tsuntsaye yana faruwa a ƙarshen bazara, kuma manya jays molt daga Yuli zuwa Satumba. Yayin aiwatar da tarko, jays sukanyi wanka da anthills kuma su sami wadannan kwari a karkashin fikafikan su. An yi imani da cewa jays tare da taimakon tururuwa ta ci da fata da ƙoshin gashin tsuntsu.
Jays da aka lullube sune cikakkun tsuntsayen zamantakewa.
Jays mai launin shuɗi yana zaune a cikin ƙungiyoyi na iyali, nau'i-nau'i, ko ƙaramin garke. Suna tattaunawa da juna ta amfani da harshen jiki, don wannan suna amfani da crests. Idan jay tana cikin damuwa ko kuma tana cikin yanayin tashin hankali, to crest ya zama a tsaye, idan yayi mamakin, crest tayi gaba, idan tsoro yakamata, crest kusa da jay yayi kama da burushi.
Jays mai launin shuɗi yana jagoranci rayuwar aure ɗaya.
Jays mai launin shuɗi yana yin sautuka da yawa: yi koyi da sautin mahauk, ringi kamar karrarawa, sautin kukan, kukan ƙarfi, faɗakarwa game da haɗari, wakilan ma'auratan suna magana da kansu tare da sautin abubuwa. Jays kyawawan masu kwaikwayo ne; cikin garkuwa cikin sauki ana iya horar da su dan su yi magana da maganganun mutane.
Abokan da aka suturta sune mujiyoyi da bebaye. Tsawon rayuwarsu cikin yanayi shine shekaru 10-18.
Jay Jay mai Lafiya
Jays mai launin shuɗi tsuntsaye ne iri-iri. Zasu iya cin abincin tsirrai, kamar su beech nuts, acorns, berries, tsaba, 'ya'yan itatuwa, da abincin dabbobi: ciyawar ciyayi, gizo-gizo, gwoza, milipedes, kwaro, ƙwarya, kajin, bera, ƙwai na tsuntsu. Bugu da kari, za a iya cin abinci.
Blue Jay wani tsuntsu ne mai wayo, wayo da mayaudara.
Kowane jay lokacin faɗuwar rana na iya samar da itacen oak dubu 3-5.
Abincin shuka shine kashi 78% na abincin jan jay, kuma kashi 22% kwari ne da ƙananan ƙananan kantunan. Jays yakan saci ganima daga wasu tsuntsayen. Hanyoyin da ba sa ƙaura zuwa kantin hunturu, alal misali, tara tsaba, itacen ɓoye da ɓoye su ƙarƙashin itacen bishiyoyi ko binne su cikin ciyayi da ƙasa. Jay na iya ɗaukar itacen oak 5 a lokaci guda: 1 tana riƙe da bakin sa, ƙarin bakin 1 da 2-3 a cikin goiter.
Masu fafatukar neman abinci game da hanyoyin da aka danne sune katako, bishiyoyi, Florida jays, squirrels, da kuma starlings. Wasu lokuta jays suna kwaikwayon shaho don fitar da wasu tsuntsayen daga abinci, amma galibi tsuntsaye sukan dawo da sauri da zaran sun fara cin abinci.
Fa'idodi da lahanin shudi jahili ga mutane
Jays suna lalata kwari masu cutarwa, alal misali, kwari na daji kamar ɓarnar ƙwaro, ƙwanƙwarar Mayu, kumburi, huhun fata da makamantansu. Hanyoyi masu launin shuɗi suna da sauƙin daidaitawa kuma suna ɗaukar asali cikin bauta. Amma waɗannan tsuntsayen suna da ƙarfi, saboda haka ba za a iya kiyaye su tare da sauran tsuntsayen ba.
Jay Jay tana da iko sosai.
Tufted Jays shine mai jan ragamar rukunin wasanni da yawa, akwai ma ƙwararren ƙwallon kwando na Toronto Blue Jays. A kowace shekara, jays suna lalata ɗumbin yawa na tsuntsu, suna kashe kajin kuma suna cin ƙwai. Amma suna da fa'ida ta hanyar yada bishiyoyi da iri.
Blue jelly yawan
Jays yalwatacce a cikin kewayon. A yau akwai wasu sharudda 4 na shuɗi:
- C. c. cyanotephra sun zama ruwan dare a Nebraska, Wyoming, Kansas, Colorado, Texas da Oklahoma,
- C. c. bromia suna zaune a Newfoundland, North Dakota, Arewacin Kanada, Amurka, Missouri da Nebraska,
- C. c. Ana samun Semplei a cikin jihar Florida,
- C. c. Ana samun cristata a cikin Kentucky, Missouri, Virginia, Tennessee, Illinois, Florida, Texas, da North Carolina.
Idan an sami kuskure, a zabi wani ɗan rubutu sai a danna Ctrl + Shigar.
Bayyanar
Ta hanyar ilimin nuna bambancin mace, maza bisa ga al'ada sun fi ta mace girma, amma banbanci tsakanin maza da mata ba ta yin launuka - babba da maza da mata ana jefa su cikin shuɗi mai haske.
Abin ban sha'awa ne! Wadanda suka rike jay a hannayensu suna da'awar cewa launin shudi kawai haske ne na gani. Haske yana cikin inuwar gashin fuka-fukai na cikin, yana basu haske mai haske wanda zai bace da zaran gashin tsuntsu ya fadi.
Adadin launin shuɗi mai launin shuɗi ya girma zuwa 25-29 cm (tare da wutsiya daidai yake da 11-13 cm), ba shimfiɗa sama da 70-100 g ba. Crest yana da launin shuɗi mai haske ko rawaya-shuɗi. Gashin tsuntsaye karkashin farar fenti a baki. Frenulum, beak da bugun zobe a kusa da idanu ana fentin su a launi iri ɗaya. A makogwaro, cheeks da kuma kasawar jiki sune launin fari-fari.
Edgesasussan wutsiyar suna da fari, kuma ana iya ganin fararen fararen fata mai fiɗa a fuka-fuki / wutsiya. Jay na Arewacin Amurka yana da wutsiya mai launin shuɗi da tsuntsayen fuka-fukai, waɗanda aka ketare da rayayyun baƙar fata. Tsuntsu yana da idanu masu baƙi da idanu masu duhu, farare mai launin toka da baki mai ƙarfi, wanda zai iya sauƙaƙe ƙwayar da aka rufe a cikin harsashi mai wuya.
Inda yake zama
Babban mazauninsu shine Arewacin Amurka. Jays ya mamaye kusan dukkanin nahiyar daga Kanada har zuwa Tekun Mexico.
Tsuntsayen sun gwammace da yawa- da kuma gandun daji gauraya. Koyaya, fifiko shine kudan zuma da itacen oak. Akwai mutane da suka zaɓi bushewar bishiyoyi don rayuwa, amma wannan yana da wuya.
Jay yana daya daga cikin wadancan tsuntsayen wadanda basa tsoron mutane kuma suna kusa da mazaunin mutane, a cikin lambuna da wuraren shakatawa.
Siffofin salon rayuwa da halayyar su
Idan kuna kallon jays na akalla lokaci kadan, to zaku iya zana kwatancen da yawa tare da mutane. Wadannan crumbs na fuka-fukan birgewa ne, wayo, masu iya yaudarar yaudarar dangi har ma da abokan gaba.
Jays suna yin rayuwa mai matukar tasiri, ba wai kawai suna samar da ma'aurata ba ne, har ma suna yin tsari a cikin manyan iyalai, garken dabbobi har ma da sauran alumma.
Babban hanyar sadarwa tsakanin dangi shine crest. Idan gashinsa an sa masa ido gaba, wannan yana nuna cewa jay tana mamaki. Lokacin da ta yi fushi ko farin ciki, sai ya miƙe tsaye, idan ya firgita, sai ya tashi sama.
Blue Jay yana da iko mai ban mamaki don kwaikwayon sautuna, yayin da kewayonsa ba shi da iyaka. Ta nuna alamar da keken hannu ko kuma maɓallin birki mai ƙarfi kamar babban tirinji.
Blue Jay da kyau ta kori abokan hamayyarta daga wurin da suka sami wani abu mai daɗi. Tana yin hakan ta kwaikwayon kukan shaho. Gaskiya ne, sannu a hankali aka bayyana zamba.
Jays mai launin shuɗi yana da sigina na musamman wanda ya yi kama da ƙazantaccen abu. Idan tsuntsu ya wallafa shi, yana nufin cewa akwai abokan gaba a kusa. Mafi sau da yawa, tsuntsaye sukan taru suyi karo da baƙon da ba a gayyata ba da farko.
Abin da ke ci
Tsarin ja a cikin mas'alar abinci ba shi da wata ma'ana ta kowane irin yanayi. Tana cin duk abin da ta samu. Da alama a hankali, tsuntsu zai iya karbar abinci daga wata halitta mai ban sha'awa, kuma yana iya ciyar da jingina.
Abincinta ya ƙunshi tsirrai da abincin dabbobi a cikin rabo na 70:30. Jays da ba sa tashi zuwa yankuna masu ɗumi don hunturu suna yin ajiyar kaya ta hanyar shirya pant a cikin hawan bishiyoyi, ciyawa da ƙasa.
Iyali da Yara
Lokacin mating a cikin shudi masu launin shuɗi yana farawa da kwanakin farko na bazara mai ɗumi. Da zaran ma'aurata sun kirkiro, sai aka sanya shuru a cikin gandun daji inda suke zama. Tsuntsaye suna yin hali cikin tawali'u, domin kada su ba abokan gaba wurin hurarsu.
Dukansu biyu mace da namiji suna aiki ne a kan ginin wurin zama. Gida yana zaune a kan rassan gefen, a tsaunin kusan nisan mita 3-10 daga ƙasa, yana da kama da kamala. Don gininsa, tsuntsayen suna amfani da kayayyaki daban-daban, daga rassa zuwa takarda da beraye.
Bayani mai ban sha'awa game da wasannin mating na blue jays shine ciyar. Matar ta zauna a cikin gida kuma tana nuna kajin da ke jin yunwa, kuma namiji ya sami abinci ya ciyar da ita.
Yawan qwai da shudi ya shude ya bambanta daga guda 2 zuwa 7. Lokacin hutun shine kwanaki 18.Koyaya, idan jay ta gano cewa magabatanta ta gano gidanta, za ta bar shi ba tare da nadama ba kuma ba za ta sake dawowa nan ba.
Babiesyayan jariran ba su da taimako, basu da gani, kurame ne kuma tsirara ne. Don haka, dole ne iyaye su ciyar da su kawai, har ma da tsaftace su da zafi. Sai bayan 'yan makonni, crumbs zai gani kuma ya rufe tare da plumage.
Uwar ta yanke shawarar barin gida don abinci kawai a rana ta 12 bayan haihuwar kajin. Kafin wannan, uba ya kawo abinci. Yara suna zaune tare da iyayensu na ɗan lokaci - har zuwa farkon kaka, kodayake sun sami 'yanci da wuri.
Matsayin hukuma na Blue Jay
Da yawa daga cikin wadannan tsuntsayen suna kan yankin Arewacin Amurka, ba su da kariya ta musamman ta kowace hanya; ba abin da ke yi musu barazana a nan. Amma yanayin na iya canzawa a kowane sakan na biyu.
Kyakkyawan launin shuɗi mai launin shuɗi ne yaudara. Bayan bayyanar kyakkyawa, ba kyakkyawa ba ne halittar da ke lullubewa, amma mutum mai kwazo ne mai hankali kuma mai iya yaudara da cin amana.
Ba a bambanta Blue Jay kawai ta kyakkyawar bayyanar ba. Tana kuma da kwarewar izgilanci. Wataƙila abin da wannan babban tsuntsu ba zai iya kwaikwayon shiba shine maganar mutum. A lokaci guda, Jay yana amfani da ƙwararrun baiwarta ta hanya mai mahimmanci. Da gangan ta kange mata kishiyarta daga abinci, wani lokacin kuma sai ta daina dariya. Bayyanar Jay ya yi kyau: shuɗi [...]
Halin hali da salon rayuwa
Mark Twain sau ɗaya ya yi dariya cewa launin ruwan shuɗi ana kiran shi tsuntsaye kawai saboda sun yi ruri kuma ba sa zuwa coci. Ban da haka, suna kama da mutane da ƙarfi: har ila yau, suna yaudara, rantsuwa da ruɗi a kowane lokaci.
Yana da ban sha'awa! Jay mai launin shuɗi sau da yawa yana kwaikwayon kukan shaho don fitar da gasa na masu cin abincinsa, gami da ruwan juzu'i na Florida, katako, andan tauraruwa da masu launin shuɗi, daga mai kula da gandun daji. Gaskiya ne, wannan dabarar ba ta daɗewa: bayan wani ɗan gajeren lokaci, maƙwabta da aka yaudare su dawo.
Jays ɗin da ke ɗaure yana da rayuwar zamantakewa mai aiki, wanda ba'a iyakance ga ƙungiyoyin haɗin gwiwa ba. Bugu da kari, tsuntsayen suna samar da gungun dangi ko kananan garken dabbobi, suna sadarwa da juna ta fuskar murya ko yaren jiki, ko kuma hakan, tare da taimakon kyawawan launuka. Abubuwan fuka-fukan, da aka sanya gaba, suka ba da labari game da mamaki ko annashuwa, game da tarawar fuskoki - matsayinta a tsaye.
Tare da tsoro, crest puffs kamar buroshi don wanka jita-jita. The Blue Jay ƙaƙƙarfan onomatopoeic ne. A cikin waka ta arsenal akwai sautuka da yawa wadanda aka taɓa jin sautin yanayi, daga waƙoƙin shiru zuwa ƙarshen iskar famfo.
Jay tana iya yin magana, da ihu mai ban tsoro (kwaikwayon tsuntsayen ganima), kwaikwayon kararrawa kararrawa, kururuwa (gargadi game da hadari), haushi, sawa ko hura wuta. Jay da aka dasa a cikin keji da sauri koya koya don maganar mutum. Jays ba kawai sanar da kusancin abokan gaban dukkan mazaunan gandun daji ba: sau da yawa tsuntsaye suna haɗuwa don kai farmaki ta hanyar haɗin kai.
Daga Yuli zuwa Satumba, manya na Arewacin Amurka jays molt; a cikin kananan dabbobi, farkon molt yana faruwa a ƙarshen bazara. A lokacin motsin, suna, kamar yawancin tsuntsaye, suna shirya wata hanya da ake kira dabbar ta hanyar canjin: suna wanka a cikin tururuwa ko tururuwa a ƙarƙashin gashin fuka-fukan. Don haka tsuntsayen kawar da kwari. Yawancin furanni masu launin shuɗi da ke zaune a arewacin nau'in jinsunan suna tashi zuwa hunturu a yankuna na kudanci. Don saukan jirgi da aka yi kamar yadda aka saba tun kafin wayewar gari, tsuntsaye suna tattarawa a cikin manyan (har dubu 3) da ƙananan (mutane 5-5) garken.
Habitat, mazauni
Jays mallakar bakin ruwa ya mamaye kusan rabin yankin Arewacin Amurka, galibi yankuna na gabashin Amurka da Kanada ne. Yankin wuraren shakatawa na Jay, mai suna a cikin mahaifar Blue Jay, ya wuce zuwa Tekun Mexico. A cikin yammacin Arewacin Amurka, mazaunin blue jay suna da kusanci da kewayon nau'in jinsin masu alaƙa, Stay baki mai launin shuɗi mai launin shudi.
A halin yanzu, an ba da bayanin nau'ikan 4 na jay da aka bayyana, rarrabe, tsakanin sauran abubuwa, ta hanyar rarraba:
- Cyanocitta cristata bromia - zaune a Newfoundland, Arewacin Kanada, North Dakota, Missouri da Nebraska,
- Cyanocitta cristata cyanotephra - wanda aka samo a Nebraska, Kansas, Wyoming, Colorado, Oklahoma da Texas,
- Cyanocitta cristata cristata - yana zaune a Kentucky, Virginia, Missouri, Tennessee, North Carolina, Florida, Illinois da Texas,
- Cyanocitta cristata semplei - yana zaune a yankuna na arewacin Florida.
Jay na Arewacin Amurka ya fi son yin zama a cikin dazuzzukan daji masu rarrafe, galibi ana hadewa (itacen oak da beech), amma wani lokacin, musamman a yamma daga cikin kewayon, yakan zauna cikin daji mai yawa ko busassun bishiyun bushewa. Jay ba ta jin tsoron mutum kuma ba tare da bata lokaci ba ta yi mazauni a wuraren zama, inda akwai wuraren shakatawa da wuraren lambun. Tsuntsayen da suke zaune a arewacin kewayon sun fi girma girman danginsu na “kudu”.
Abincin Jay Jay
Halin cin abinci na jays da aka nuna yana nuna ikonsa, girman kai (ɗaukar abinci daga wasu tsuntsaye) da kuma rashin kyashi (cin abinci).
Abincin launin shuɗi ya ƙunshi duka tsiro (har zuwa 78%) da abincin dabbobi (22%):
- acorns da berries
- tsirrai da 'ya'yan itatuwa
- beech kwayoyi
- ciyayi da matafiyoyi,
- irin ƙwaro, gizo-gizo da millipedes,
- kajin da tsuntsaye qwai,
- mice, frogs da lizards.
Jays wanda ke yin hunturu a gida yana girka abinci ta hanyar tura itacen oho / tsaba a ƙarƙashin haushi ko ganyayyaki da ya faɗi, da binne su cikin ƙasa.
Abin ban sha'awa ne! A wani lokaci, tsuntsu ya sami damar isar da ciyawa guda biyar zuwa kayan kwalliyar hunturu, uku wanda yake riƙe da su a cikin goiter, na huɗu a bakin, kuma na biyar a cikin baki. A lokacin bazara, jayiya ɗaya da ke shudi ya kai ganguna dubu 3-5.
Yawan jama'a da matsayinsu
Yankunan Arewacin Amurka suna amfana ta hanyar kashe kwari na daji (kwari, mayvils da caterpillars) da yada tsaba / itacen ɓaure. Amma cutarwar daga wadannan tsuntsayen suna da yawa - a kowace shekara suna lalata mazaunan kananan tsuntsayen, suna cin ƙwai da kashe kajin.
A cikin littafin Red Union na Internationalungiyar forasashen Duniya don Kula da Halittar, an fitar da shuɗi mai launin shuɗi a matsayin “mafi ƙarancin nau'in damuwa,” tunda babu abin da ke barazanar hakan.
