Merganser wamphongo wautali: malongosoledwe, chithunzi cha bakha

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Merganser wokhala ndi mphuno yayitali (Mergus serrator) ndi wa banja la bakha, dongosolo la Anseriformes.

Zizindikiro zakunja kwa merganser wokhala ndi mphuno yayitali.

Merganser wamphongo yayitali ndi bakha wosambira. Pang'ono ngati pintail, koma imadziwika ndi mlomo wawung'ono wonyezimira komanso mtundu wa maula. Thupi lake ndi lalitali masentimita 58. Mapikowo amatambasula masentimita 71 mpaka 86. Kulemera kwake: 1000 - 1250 g.Mkamwawo ndi ofiira, mutu wake ndi wakuda ndi utoto wobiriwira ndipo kolala yoyera imawupatsa mawonekedwe apadera. Yamphongo imadziwika mosavuta ndi mphindikati iwiri kumbuyo kwa mutu ndi gulu lakuda lakuda pambali pake. Chifuwacho ndi chowoneka, chofiira-chakuda. Kuphatikiza apo, ili ndi mbali zotuwa. Pali mawonekedwe owoneka bwino kumtunda kwa mapiko. Mzere wakuda umadutsa pamwamba pa khosi ndi kumbuyo.

Nthenga za mkazi nthawi zambiri zimakhala zotuwa. Mutu uli ndi tuft yayitali kumbuyo kwa mutu, yojambulidwa ndi imvi - utoto wofiyira. Mimbayo ndi yoyera. Mtundu wofiirira wa khosi wopanda malire akuthwa amatembenukira koyamba kukhala imvi, ndipo pachifuwa kukhala choyera. Thupi lakumtunda ndi lofiirira. "Galasi" ndi loyera, m'malire ndi mzere wakuda, pambuyo pake mzere wina woyera umaonekera. Mtundu wa nthenga zaimuna nthawi yayitali, monga ya mkazi, kumbuyo kokha ndiko kofiirira. Mzere wachitatu woyera umayenda pamwamba pa mapiko. Sichisonyeza mzere wopepuka pakati pa diso ndi mlomo, womwe bakha uli nawo. Iris ndi wofiira wamwamuna, bulauni mwa mkazi.

Mergansers achichepere okhala ndi mphuno yayitali amakhala ndi mtundu wa nthenga, wofanana ndi wamkazi, koma kachilombo kawo ndi kochepa, nthenga zonse ndimayendedwe akuda. Miyendo ndi yofiirira wachikaso. Amuna a msinkhu wa chaka chimodzi amakhala ndi mtundu wa pakati pa nthenga pakati pa utoto wamwamuna ndi wamkazi.

Mverani liwu la chophatikizira champhongo yayitali.

Liwu la mbalame yamtundu wa Mergus serrator:

Malo okhalamo ophatikizika ataliatali.

Ophatikizika okhala ndi mphuno zazitali amakhala m'mphepete mwa nyanja zamatabwa, mitsinje yaying'ono ndi mitsinje yopanda madzi. Amagawidwa m'nkhalango zamitunda, zokhazokha komanso zotentha, komanso mumadzi amchere ambiri monga malo osaya kwambiri, magombe, mafunde kapena mitsinje yokhala ndi mchenga m'malo mwa matope. Amakonda njira zopapatiza, m'malo momatseguka madzi, khalani pafupi ndi zilumba kapena zilumba ndi malovu, komanso pafupi ndi miyala yomwe ikuyenda kapena m'mbali mwa udzu.

Pambuyo pokankhira mazira, nyengo yozizira yophatikizika m'nyanja, imadya m'madzi am'mphepete mwa nyanja, m'misewu, m'mphepete mwa nyanja komanso m'nyanja zamchere. Ma mergans omwe ali ndi mphuno zazitali amasankha matupi oyera kwambiri, osaya, pomwe mafunde amphamvu samapangika. Podutsa amaima m'madzi akulu amchere.

Kufalitsa kwa merganser wokhala ndi mphuno yayitali.

Zoyanjana zazitali zazitali zimafalikira kumadera akumpoto kwa kontinenti yaku North America, kenako ndikusunthira kumwera ku Great Lakes. Amapezeka kumwera kwa Northern Eurasia, ku Greenland, Iceland, Great Britain, m'maiko aku Eastern Europe. Amakhala kumpoto ndi kum'mawa kwa China ndi kumpoto kwa Japan. Dera lozizira limakulitsidwa kwambiri ndipo limaphatikizapo gombe la Atlantic ndi Pacific Ocean kumpoto kwa America, gawo la Central Europe ndi Mediterranean. Nyanja Yakuda, gawo lakumwera kwa Nyanja ya Caspian, gombe lakumwera kwa Pakistan ndi Iran, komanso madera a m'mphepete mwa nyanja a Korea. Zingwe zophatikizika zazitali zimauluka nthawi yozizira kumwera kwa nyanja ya Baltic komanso pagombe la Europe, ndikupanga masango akuluakulu.

Kukhazikitsa ndi kuberekanso kwa merganser wokhala ndi mphuno yayitali.

Oyanjana okhala ndi mphuno zazitali amakonda kukhala chisa m'mbali mwa mitsinje yamapiri kapena pazilumba kuyambira Epulo kapena Meyi (pambuyo pake kumadera akumpoto) awiriawiri kapena zigawo. Chisa chimamangidwa patali pafupifupi mita 25 kuchokera kumadzi m'malo osiyanasiyana. Malo obisika amapezeka m'mabwinja achilengedwe pansi, pansi pamiyala, m'misasa pafupi ndi miyala, pakati pa mitengo kapena mizu yopanda kanthu, m'mapanga a mitengo, m'mitsinje, zisa zopangira, pakati pa mabango kapena pamipando ya bango. Maenje kapena zisa zopangira zimagwiritsidwa ntchito ndi khomo lolowera pafupifupi masentimita 10 komanso kukhumudwa kwa pafupifupi 30-40 cm.

Nthawi zina mergansers ang'onoang'ono amakonza chisa pansi, ndikuchibisa pansi pa tchire, nthambi zikulendewera pansi kapena muudzu wandiweyani.

Abakha amtunduwu amasankha malo obisika kuti wamkazi wokhala pamazira akhalebe wosaoneka. Zinyalala zapansi ndi kubzala zimagwiritsidwa ntchito ngati zokutira. Chisa chachikazi pamalo okhazikika kwazaka zingapo. Pogwiritsa ntchito clutch, pali mazira 7-12 ndi chipewa chofewa, chofiirira kapena choterera. Mazirawo ndi 5.6-7.1 x 4.0-44.8 masentimita kukula kwake.Chikazi chimawakola zowalamulira kwa masiku 26-35. Mikoko imadyetsa mitsinje. Achinyamata ophatikizira achichepere azaka ziwiri zakubadwa amapanga ndege zodziyimira pawokha. Amuna amasonkhana m'magulu ambiri mu Julayi ndikuwuluka kupita ku molt kupita kunyanja komanso mitsinje yambiri. Amuna nthawi zambiri amatenthedwa m'malo okhala ndi nkhalango. Mergansers okhala ndi mphukira zazitali amaberekanso atakwanitsa zaka 2-3.

Chakudya chophatikizika chophatikizika cha nthawi yayitali.

Chakudya chachikulu cha merganser yemwe amakhala ndi mphuno yayitali makamaka ndi nsomba zazing'ono, zam'madzi kapena zam'madzi, komanso zochepa zazomera ndi zamoyo zopanda madzi, monga nkhanu (nkhanu ndi nkhanu), mphutsi, mbozi. M'madzi osaya, abakha amadyetsa m'magulu, kupanga gulu losaka nsomba mwachangu. Kwa nyengo yozizira, mergansers okhala ndi mphuno yayitali amathawira kukamwa kwa mitsinje ndi kugombe la magombe osaya.

Makhalidwe amtundu wa merganser wokhala ndi mphuno yayitali.

Mergansers okhala ndi mphuno zazitali ndi mbalame zosamuka kwathunthu, ngakhale kumadera otentha amapita mwachidule kupita kugombe loyandikira kapena amakhala m'malo odyetserako zakudya chaka chonse. Mbalame zazikulu nthawi zambiri zimasonkhana m'mphepete mwa nyanja nthawi yokolola ikatha.

Zifukwa zakuchepa kwa chiwerengero cha zophatikizika zazitali.

Zingwe zophatikizika zazitali ndizosaka ndipo zimatha kuwomberedwa. Mbalamezi zimasakidwa ku North America ndi Denmark, ngakhale mtunduwu sutchuka kwambiri pakusaka masewera. Alimi akhungu ndi nsomba akuimba mlandu mtundu uwu chifukwa chotsitsa nsomba.

Ophatikizira okhala ndi mphuno zazitali nawonso amalowa mwangozi ndikukodwa muukonde wopha nsomba.

Kusintha kwa kubereketsa, kumanga madambo ndi kudula mitengo mwachisawawa, kuwonongeka kwa malo okhala, kuwonongeka kwa matupi amadzi ndizomwe zimawopseza mitunduyi. Ophatikizira okhala ndi mphuno zazitali amathanso kutenga fuluwenza, chifukwa chake kufalikira kwatsopano kwa matenda kumabweretsa nkhawa zazikulu. Malo osungira zinthu zophatikizika zazitali.

Merganser yokhala ndi mphuno yayitali imatetezedwa ndi EU Birds Directive Appendix II. Kuchuluka kwa zisa za mtundu uwu kwawonjezeka pazilumba kunja kwa zilumba kumwera chakumadzulo kwa Finland chifukwa chakuchotsa mink yaku feral yaku America. Pofuna kuteteza zamoyozi, zisa zopangira zimayikidwa m'malo oyenera, momwe mbalamezi zimaswanirana. Kutsata kotheratu lamulo lokhudza kuboola ndi kunyamula zinthu zamafuta m'malo am'mbali mwa nyanja ndikofunikira. Kuphatikiza apo, njira ziyenera kuthandizidwa kuti nsomba za nsomba zizigwidwa mwachangu. Njira zopewera kusintha kwa malo ndi madera ofunikira otetezera chophatikizira chazitali.

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