Zamkati
- Bakha ntchentche?
- Kodi abakha amauluka motalika motani?
- Chifukwa chiyani abakha amawuluka mu V?
- Mbalame ya Chinsansa ikuuluka?
Abakha ndi gulu la nyama zomwe zili m'banjamo Anatidae. Amadziwika ndi mawu awo, omwe timawadziwa kuti "quack" wotchuka. Nyamazi zili ndi mapazi a ukadaulo ndipo zimakhala ndi mitundu yosiyanasiyana mu nthenga zake, kuti tithe kupeza zoyera kwathunthu, zofiirira ndipo zina zokhala ndi malo obiriwira a emarodi. Mosakayikira, ndi nyama zokongola komanso zosangalatsa.
Mwinanso mwawawona akusambira, kupumula, kapena kuyenda mwamtendere paki, komabe, Kodi mudayamba mwadzifunsapo ngati bakha amauluka kapena ayi? Munkhaniyi ndi PeritoAnimal, tithetsa kukayikira kwanu ndikufotokozanso zina zomwe simungathe kuziphonya, kuzimvetsa.
Bakha ntchentche?
Monga tafotokozera kale, bakha ndi wa banja Anatidae makamaka, kwa amuna ndi akazi Anas. M'banjali titha kupeza mitundu ina ya mbalame yomwe imadziwika ndikukhala mapangidwe am'madzi, kuti athe kukulitsa ndikuzindikira awo kusamukira kwina.
Inde, bakha amauluka. Inu abakha ndi nyama zouluka, ndichifukwa chake abakha onse amauluka ndipo amatha kuyenda maulendo ataliatali ndikufika kutalika kwambiri kuti akafike komwe amapita chaka chilichonse. Pali za Mitundu 30 ya abakha zomwe zimagawidwa ku America, Asia, Europe ndi Africa. Kutengera mtundu wa bakha, amatha kudya mbewu, algae, tubers, tizilombo, nyongolotsi ndi nkhanu.
Kodi abakha amauluka motalika motani?
Mitundu yosiyanasiyana ya bakha amadziwika ndi kusamuka kwawo. Nthawi zambiri zimauluka mtunda wautali kuti zichoke m'nyengo yozizira ndikupeza malo otentha kubereka. Iliyonse yamtunduwu, motero, imatha kuuluka mosiyanasiyana, kutengera zosowa zomwe zimafunidwa ndi mtunda womwe amayenera kuyenda komanso momwe matupi awo asinthira.
Pali mtundu wa bakha womwe umawuluka ndikuwonekera pakati pa ena onse chifukwa cha kutalika komwe ungafikire. Ndi fayilo ya dzimbiri bakha (ferruginous truss), mbalame yomwe imakhala ku Asia, Europe ndi Africa. M'nyengo yachilimwe, imakhala m'malo ena a Asia, North Africa ndi Eastern Europe. Mbali inayi, m'nyengo yozizira mumakonda kuyenda mozungulira Mtsinje wa Nile ndi South Asia.
Pali anthu ena abulu omwe amathera nthawi yawo yambiri kufupi ndi Himalaya ndikutsikira kumayiko a Tibet nthawi yakwana kubereka. Kwa iwo, kasupe akafika amafunika kufikira kumtunda kwa 6800 mita. Pakati pa abakha onse, palibe amene amauluka ataliatali chonchi!
Izi zidapezeka chifukwa cha kafukufuku wopangidwa ndi Center for Ecology and Conservation ku University of Exeter. Kafukufukuyu, wolemba Nicola Parr, adawulula kuti Rufous Duck amatha kupanga ulendowu podutsa nsonga zazitali kwambiri ndikuwoloka zigwa zomwe zimapanga Himalaya, koma ntchitoyi idatsalira kuti mitunduyi itha kufikira zitunda zodabwitsa.
Chifukwa chiyani abakha amawuluka mu V?
Kodi mudakhalapo ndi mwayi wosinkhasinkha gulu la abakha omwe akuuluka mozungulira? Ngati sichoncho, mwaziwonapo pa intaneti kapena pawailesi yakanema, ndipo mwazindikira kuti nthawi zonse amawoneka ngati akudutsa thambo lomwe lakonzedwa m'njira yofanizira kalata V. Chifukwa chiyani zimachitika? Pali zifukwa zingapo zomwe abakha amawuluka mu V.
Choyamba ndikuti, mwanjira iyi, abakha omwe amapanga gululi sungani mphamvu. Monga? Gulu lirilonse limakhala ndi mtsogoleri, mbalame yakale komanso yodziwa bwino kusamuka, yemwe amatsogolera enawo, mwanjira, landirani ndi mphamvu zambiri kuwomba kwa mphepo.
Komabe, kupezeka kwawo kutsogolo kumathandizanso kuti muchepetse mphamvu zomwe gulu lonse limakhudzira mafunde ampweya. Momwemonso, mbali imodzi ya V imalandira mpweya wochepa ngati abakha mbali inayo akuyang'anizana ndi mafunde.
Ndi dongosolo lino, abakha odziwa zambiri amasinthana kutenga udindo wa mtsogoleri, kotero kuti mbalame imodzi ikatopa, imapita kumapeto kwa mapangidwe ndipo ina imatenga malo ake. Ngakhale izi, kusintha kwa "kosinthaku" nthawi zambiri kumangobwera pamaulendo obwereza, ndiye kuti, bakha m'modzi amatsogolera ulendowu, pomwe winayo amatsogolera kubwerera kwawo.
Chifukwa chachiwiri chotsatira mapangidwe awa ndi V ndikuti, mwanjira iyi, abakha amatha kukhala kulankhulana pakati pawo ndikuonetsetsa kuti pasapezeke aliyense pagululi.
Onani zambiri zosangalatsa za abakha: bakha ngati chiweto
Mbalame ya Chinsansa ikuuluka?
Inde, swan imawuluka. Inu swans ndi mbalame zofanana ndi abakha, chifukwa nawonso ndi am'banja Anatidae. Nyama zomwe zili ndi zizolowezi zam'madzi zimagawidwa m'malo osiyanasiyana ku America, Europe ndi Asia. Ngakhale mitundu yambiri yomwe ilipo ili ndi nthenga zoyera, Palinso ena omwe amasewera nthenga zakuda.
Monga abakha, swans zimauluka ndipo ali ndi zizoloŵezi zosamukasamuka, chifukwa amapita kumadera otentha nyengo yozizira ikafika. Mosakayikira imodzi mwazinyama 10 zokongola kwambiri padziko lapansi.
