Duck Brook

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Duck duck (Merganetta armata) na dangin duck ne, umarnin Anseriformes. Wani suna shine Andean spur duck, ko Andean duck.

Alamomin waje na kogin agwagwa

Duck mai ruwan kasa yakai kimanin 46 cm nauyi: 315 zuwa 440 g.

Launi na jikin layin ya bambanta ba kawai ta hanyar jima'i ba, amma kuma ya dogara da rarrabawar ƙasa. Akwai raƙuman ruwa guda shida na agwagin kogi.

Balagaggen namiji ya yaye baƙar fata da fari tare da tsari mai rikitarwa na layukan alamu.

Hular baƙin da bambancin tsakiya tare da girare masu fari, fararen ratsi suna zuwa bayan kai kuma suna haɗuwa da siffar harafin V. Tsakiyar wuya yana da baƙi, an ci gaba da baƙin ratsi waɗanda ke gudana tare da idanu kuma wanda ke tsinkaya da fasalin V a bayan kai. A gefen wuya, ratsi mai baƙar fata ya haɗu da layin baƙar fata a gefen idanun. Sauran kai da wuya suna da fari.

Kirjin da gefuna suna da tabarau masu canzawa na baƙar fata, masu launin ruwan kasa mai launin ruwan kasa tare da masu baƙar fata, amma akwai tsaka-tsakin sifofin launuka tsakanin waɗannan sautunan asali. Ciki mai duhu ne mai ruwan toka. Dukan murfin gashin fuka-fukan jiki da yankin masu yanki suna da gashin tsayi na musamman masu tsawan kai, masu launin ruwan kasa, a tsakiya tare da farin iyaka. Baya, gindi da gashin jela tare da ƙananan ratsi na launin toka da baƙi. Gashin gashin jela dogaye ne, launin ruwan kasa ne masu launin toka. Fukafukan dake rufe reshen fuka-fuki launin shuɗi ne, tare da "madubi" mai shuɗewa a cikin farin firam. Fuka-fukan firamare masu launin ruwan kasa ne masu launin toka.

Mace tana da manyan bambance-bambance a cikin launi na laman saman da ƙananan jiki. Hular, da gefen fuska da wuya, da bayan kai da dukkan gashin da ke saman su launin toka ne, tare da kananan fata. A cikin yanki na kafaɗun kafada, gashin tsuntsaye suna da tsayi kuma suna nuna, baƙi, a cikin sashin su na tsakiya. Maƙogwaro, gaban wuya da kuma plumage da ke ƙasa da kyakkyawa mai haske ja-launin ruwan kasa. Fukafukai da wutsiya iri ɗaya ne da na maza.

Birdsananan tsuntsaye suna da ƙarancin ƙarancin fata waɗanda aka haɗa su da launin toka mai toka. An ketare bangarorin jiki tare da shanyewar duhu mai duhu.

Mazaunin Brook duck

Duck duck yana zaune ne a cikin tsaunukan tsaunuka na Andes, inda masu saurin gudu da ruwa ke sauyawa tare da sararin samaniya mai nutsuwa. Wadannan wurare yawanci suna tsakanin mita 1,500 da 3,500 sama da matakin teku, amma kusan a matakin teku a cikin Chile kuma har zuwa mita 4,500 a Bolivia.

Duck ya bazu

An rarraba agwagin Brook a kusan dukkanin sarkar Andes, Merida da Techira a Venezuela. Mazaunin ya ratsa ta Colombia, Ecuador, Peru, Bolivia, daga yamma zuwa yamma daga Argentina da Chile zuwa Tierra del Fuego. Tsuntsayen, waɗanda ake samunsu a tsawan duwatsu, sukan sauko cikin kwari a lokacin hunturu, da wuya ƙasa da mita 1000, ban da Chile. A cikin Kolombiya, an yi rikodin su a tsaunuka har zuwa mita 300.

Siffofin halayyar rafin duck

Ducks na Brook suna rayuwa biyu-biyu ko dangin da suka zauna tare da rafuka. Suna yawan tsayawa a kan duwatsu kusa da banki ko a kan duwatsu a tsakiyar kogi. Suna iyo a cikin rafin gusty, suna iya gujewa cikas cikin gwaninta, kuma jiki da jela galibi ana ɓoye su gaba ɗaya cikin ruwa kuma kai da wuya ne kawai ke kan saman.

Suna motsawa cikin hanzari a karkashin ruwan ko kuma suna kusa, suna watsi da faduwar ruwan. Bayan yin iyo, ducks duwatsu sukan hau kan duwatsu don hutawa. Rudaddun tsuntsayen suna nutso suna iyo a karkashin ruwa ko kuma suna tashi sama ƙasa da ruwan.

Ducks Brook sune ƙwararrun masu ninkaya da masu nishaɗi waɗanda ke samun abinci ta iyo kuma lokaci-lokaci kawai suna nuna tashi ta hannu.

Wadannan agwagwan suna tashi nesa daga daya zuwa mita da yawa sama da kogin domin isa daga wani bangare na tafkin zuwa wani. Suna iyo ta amfani da manyan ƙafafunsu, masu ƙarfi kuma suna girgiza kawunansu yayin iyo. Smallananan jikinsu yana ba su damar wucewa da sauri ta rafin rafukan ruwa. Dogayen ƙusoshin hannu masu ƙarfi cikakke ne don mannewa da duwatsu masu santsi. Ana amfani da wutsiyoyi masu ƙarfi azaman rudani don iyo da ruwa, da kuma daidaita kan duwatsu masu tudu da santsi a tsakiyar kogi.

Ducks na Brook tsuntsaye ne masu hankali kuma, idan akwai haɗari, sukan nutsar da yawancin jikinsu cikin ruwa don gujewa ganowa. Ducks a koyaushe suna gyara gashinsu don kiyaye halayensu na ruwa.

Jirgin raƙuman ruwan raƙumi yana da ƙarfi, da sauri, kuma yana faruwa a ƙaramin ƙasa. Tsuntsayen suna yin ƙaramin fikafikan fikafikansu, kuma suna bin wata hanyar da ke bi. Maza da mata suna fitar da busa ƙaho. A cikin gudu, namiji ya sake yin kuka mai karfi, wanda aka maimaita shi kuma a bayyane yake, duk da karar ruwan. Muryar mace ta fi guttural da ƙasa.

Brook ciyarwar agwagwa

Ducks na Brook don neman abinci suyi nutsuwa ba tare da tsoro ba zuwa cikin raƙuman ruwa masu sauri da sauri. Suna neman larvae na kwari, molluscs da sauran invertebrates. Tare da taimakon siriri da bakin ciki a ƙarshe, agwagi cikin dabara suna jan abincinsu tsakanin duwatsu. Lokacin kamun kifi, suna amfani da halayensu waɗanda suka sa waɗannan tsuntsayen suka zama ƙwararrun masu ninkaya: ƙafafu masu fa'ida sun dace da iyo da ruwa. Siririn jiki yana da madaidaitan fasali da kuma doguwar jela mai tauri wacce ke aiki azaman abin ɗamara. Don neman abinci, agwagon rago na nutsar da kawunansu da wuyansu a ƙarƙashin ruwa, wani lokacin ma kusan dukkan jikinsu.

Kiwo da nesting na rafin agwagwa

An kafa daidaitattun daidaitattun nau'i-nau'i a cikin raƙuman rafi. Lokutan kiwo suna da saurin canzawa, idan aka ba su manyan bambance-bambance a cikin tsawo tsakanin ƙananan ƙananan abubuwa. A yankin Equatorial, lokacin nest yana da tsayi sosai, daga Yuli zuwa Nuwamba, saboda kwanciyar hankali ko ƙananan canjin yanayi. A kasar Peru, kiwo yakan faru ne a lokacin rani, a watannin Yuli da Agusta, yayin da a kasar Chile, inda agwagwan suke gida a can kasa mai nisa, ana yin kiwo a watan Nuwamba. Yankin gida na wasu tsuntsaye guda biyu ya mamaye kusan kilomita kilomita tare da kogin.

Mace na gina gida daga busasshiyar ciyawa, wacce ke buya a karkashin banki mai ban mamaki, a cikin ratse tsakanin duwatsu, a karkashin tushe ko a rami, a cikin wani tsohon gida na masunta ko kuma kawai a cikin ciyayi mai yawa.

Yawancin lokaci akwai ƙwai 3 ko 4 a cikin kama. Lokacin shiryawa, kwanaki 43 ko 44, suna da tsayi musamman na jikin mutum. Tun daga lokacin da fararen duwatsun suka bayyana, sun san yadda za su yi iyo, kuma da gaba gaɗi su jefa kansu cikin ruwa; a wurare masu haɗari a kogin, agwagwar tana ɗauke kajin a bayanta. Suna ramawa saboda ƙarancin ƙwarewarsu tare da tsananin ƙarfin hali kuma suna nuna tsananin laulayin hawa dutse.

Lokacin da agwagwar rake matasa suka sami 'yanci, suna fara neman sabbin yankuna, inda suke zama a madawwami wuri kuma suna rayuwa a can duk rayuwarsu.

Matsayin kiyayewa na ɗanyen duwatsu

Ducks na Brook suna da daidaitattun mutane kuma, a matsayin mai ƙa'ida, suna zaune a manyan yankuna na ƙasa mara hawa, wanda ke aiki azaman kariya ta halitta. Koyaya, waɗannan tsuntsayen suna da saukin kamuwa da canjin wurin zama kamar gurɓataccen maganin ƙwari a yankin, gina madatsun ruwa, da kuma kiwo na wasu nau'ikan kifin da ke gasa don abinci. A wasu wurare, 'yan adam sun kashe agwagin duwatsu.

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Kalli bidiyon: The End of Florida Duck Hunting Season!-Catch and Cook (Nuwamba 2024).