Idada elinekhanda elimnyama (Heteronetta atricapilla) ngelomndeni wedada, i-oda i-Anseriformes.
Ukusabalala kwedada elinekhanda elimnyama.
Idada elinamakhanda amnyama lisatshalaliswa eNingizimu Melika. Kutholakala eningizimu yeBrazil, eChile nase-Argentina. Kuyinto yezinhlobo ezifudukayo. Abantu baseNyakatho bachitha ubusika ezingxenyeni eziseningizimu zebanga. Abantu baseNingizimu bathuthela e-Uruguay, eBolivia naseNingizimu yeBrazil.
Indawo yokuhlala yedada elinekhanda elimnyama.
Amadada amachibi anamakhanda amnyama ahlala emaxhaphozini, emigodini yama-peat nasemachibini anamanzi ahlanzekile waphakade. Futhi bahlala ezimeni zasemhlabeni nasezindaweni ezinamanzi ezinotshani obuningi.
Izimpawu zangaphandle zedada elinekhanda elimnyama.
Amadada amachibi anamakhanda amnyama anezimpaphe ezinsundu ngokumnyama esifubeni nangaphansi. Inhloko, izimpiko nomhlane kunemibala. I-mandible ephezulu imnyama ngomugqa ophuzi kuthi i-mandible engezansi imnyama ngokuphuzi. Imilenze imnyama mpunga ngombala ophuzi ngokuluhlaza eceleni kwe-tarsi. Abesifazane abadala bakhulu kunabesilisa. Izimpiko zamadada amadala zinamachashazi amancane, amachashaza amhlophe, anika ithoni empunga ngokumpunga wezimpiko. Amadada amancane anamakhanda amnyama ahlukile ezinyoni ezindala ngemigqa yokukhanya emibalabala eqonde ngaphezulu kwamehlo futhi isuka esweni iye esihlokweni.
Amadada anekhanda elimnyama molt kabili ngonyaka. Ngo-Agasti-Septhemba, izinyoni zincibilika, zithola izimpaphe zazo ezizalanayo. NgoDisemba nangoJanuwari, izimpaphe ezizalanayo zishintsha ukumboza izimpaphe zasebusika ezinesizotha.
Ukukhiqizwa kabusha kwedada elinekhanda elimnyama.
Ngesikhathi sokuqomisana, abesilisa banweba izintamo zabo, bandise usayizi wabo ngokufaka emaphaketheni esihlathi amazwe omabili nangaphezulu. Lokhu kuziphatha kuyadingeka ukuheha abesifazane. Amadada amachibi anamakhanda amnyama awazenzi ngazimbili ezihlala njalo. Zikhwelana nabalingani abahlukene, abesilisa nabesifazane. Ubudlelwano obunjalo buyaqondakala, ngoba lolu hlobo lwamadada alunandaba nenzalo yabo.
Amadada anekhanda elimnyama yizidlwana ezihlala izidleke. Abesifazane bazalela amaqanda ezidlekeni zezinye izinhlobo.
Amadada echibi athola izidleke ezitholakala cishe kwimitha elilodwa ukusuka emanzini. Umuntu ngamunye ubeka amaqanda ama-2. Izinga lokusinda kwamaqanda cishe liyingxenye yesithathu yenani eliphelele lamaqanda abekiwe. Amadada anekhanda elimnyama azala kabili ngonyaka, ekwindla nasentwasahlobo. Azakhi izidleke noma zifukamele amaqanda azo. Esikhundleni salokhu amadada thola umnikazi ofanele bese ushiya amaqanda abekelwe esidlekeni sakhe. Amadada amadala anekhanda elimnyama awalokothi athinte amaqanda noma amatshwele ezinhlobo ezihlala kuwo. Ukufukamela kuhlala cishe izinsuku ezingama-21, cishe ngesikhathi esifanayo amaqanda aphethwe ayafukanyelwa.
Amachwane amadada anekhanda elimnyama ayakwazi ukuhamba nokuzondla amahora ambalwa ngemuva kokuphuma kugobolondo. Isikhathi sempilo yamadada anekhanda elimnyama emvelweni asaziwa.
Kodwa-ke, ngokujwayelekile, ukusinda kwenzalo yawo wonke amanye amalungu omndeni wedada kuncike ezintweni eziningi.
Kusuka kuma-65 kuya kuma-80% amadada afela onyakeni wokuqala. Imvamisa, abanikazi besidleke bakhomba amaqanda abanye abantu futhi bawaqede. Kulokhu, cishe isigamu se-clutch siyabhubha. Amaqanda amadada echibini anekhanda elimnyama amhlophe qwa ngombala, ngakho-ke awafihliwe ngombala we-substrate ezungezile, futhi ayabonakala impela. Izinyoni ezindala zinombala wezimpaphe eziguquguqukayo, izimpaphe zazo ezimnyama nephethini eguquguqukayo zisiza ukuhlala zingabonakali ngemuva kwezimila eziluhlaza okotshani. Ukusinda amadada amancane anonyaka owodwa babe yizisulu zezilwane ezinkulu ezidla ezinye, kepha izinga lokusinda liyakhuphuka uma kuqhathaniswa namachwane. Iningi lamadada afinyelela eminyakeni yobudala yabantu abadala aphila ezimweni zemvelo kuphela eminye iminyaka engu-1 - 2. Isikhathi sokuphila esirekhodwe kakhulu emndenini wedada iminyaka engama-28.
Ukuziphatha kwedada elinekhanda elimnyama.
Amadada anamakhanda amnyama asechibini yizinyoni ezifudukayo, ezindiza ngemihlambi yabantu abafinyelela kuma-40. Zondla kakhulu ekuseni kakhulu, isikhathi esisele zisichitha emhlabathini, zibhukuda emini noma kusihlwa. Kusihlwa, abesifazane bafuna izidleke zabanye abantu zokubeka amaqanda. Zikhetha ukuphosa amaqanda azo ezidlekeni zama-coots, njengoba lolu hlobo lwedada lutholakala nasezindaweni ezingamaxhaphozi.
AmaBlackheads awazali amachwane, ukuzala kwawo kuncike kolunye uhlobo lwamadada afukamela amaqanda abanye abantu.
Lokhu kuthinta kabi inzalo yabanikazi abangazaleli inzalo yabo. Banamandla abo okuqinisekisa ukuzala kwamadada anamakhanda amnyama. Ngenxa yalokhu, inani lamaqanda alo, amadada afuywayo liyancipha futhi nenani lamachwane alo aphila kuze kufike eminyakeni yokuzala liyancipha.
Njengoba amadada anekhanda elimnyama engazali, awawona amazwe. Izinyoni zidabula izindawo ezahlukahlukene ukuze zithole isidleke esinomgcini ofanele noma lapho zifuna ukudla.
Ukudla kwedada elinekhanda elimnyama.
Amadada anekhanda elimnyama adla ikakhulu ngokuntywila ekuseni. Baziphonsa emanzini, baphaphalaze futhi bacwilise udaka ngomlomo wabo, basuse izinto ezincane nezinsalela. Amadada anekhanda elimnyama adla ikakhulukazi ukudla kwezitshalo, imbewu, izilimo eziyizigaxa zangaphansi komhlaba, imifino emnandi yezitshalo zasemanzini, ama-sedges, ulwelwe, ama-duckweed emachibini anexhaphozi. Endleleni, babamba ezinye izinambuzane ezingenamgogodla zasemanzini.
Isimo sokonga sedada elinekhanda elimnyama.
Amadada amadada anekhanda elimnyama awasengozini futhi akazikhathazi kakhulu ngezinombolo zawo. Kepha izindawo zalolu hlobo lwamadada zisongelwa ukwehla kwamaxhaphozi kanye nokungcola kwemvelo. Ngaphezu kwalokho, amadada anekhanda elimnyama angaphansi kokuzingelwa, ngenxa yalokho amanani abo ancipha ngokuqhubekayo.
