Mary Allen
Nhanganyaya: Nyaya Inoda kuziva yeShiri yeCuckoo
Wakambonzwa nezveshiri yehuka? Rudzi urwu rwakasiyana runozivikanwa nokuda kwemaitiro arwo echirume ekubereka, ayo anosanganisira kukandira mazai mumatendere emamwe marudzi eshiri. Shiri dzeCuckoo hadzivake matendere adzo kana kurera vana vadzo. Panzvimbo pezvo, vanovimba nedzimwe shiri kuti dzivaitire basa rakaoma. Izvi zvinogona kuita sekubiridzira, asi shiri dzemacuckoo dzakashandura zano iri kuti rivape mukana munyika yemakwikwi ekuberekana kweshiri.
Iyo Evolutionary Advantage yeBrood Parasitism
Maitiro eshiri dzemacuckoo anozivikanwa sebrood parasitism. Izvi zvinoreva kuti dzinokandira mazai adzo mumatendere emamwe marudzi eshiri, idzo dzinozorera nhiyo dzemhaka kunge ndedzadzo. Iri zano rakashanduka nekufamba kwenguva senzira yekuti shiri dzecuckoo dziwedzere kubudirira kwavo kubereka. Nokukandira mazai adzo mumatendere edzimwe shiri, havafaniri kunetseka nezvokuvaka matendere adzo, kufukura mazai adzo, kana kuti kudyisa nhiyo dzadzo. Panzvimbo pezvo, vanogona kunangidzira simba ravo rose pakubereka vana vakawanda sezvinobvira.
Mashandisiro anoita Cuckoo Shiri Dzimwe Mhuka Kurera Vana Vadzo
Shiri dzeCuckoo dzakagadzira humwe hungwaru hwekuona kuti mazai adzo anogamuchirwa uye kurerwa nemamwe marudzi eshiri. Dzinonyatsosarudza marudzi eshiri dzine matendere adzo adzinokandira mairi, dzichisarudza dzine mazai akafanana neadzo. Dzinokandirawo mazai adzo panguva yakakodzera, kuitira kuti anochechenya pamberi pemazai erudzi rwadzo, zvichiita kuti nhiyo dzacho dzitange kubuda. Kana cuckoo chick yangochochonya, inoshandisa muromo wayo wakasimba uye kugona kutaura kugonesa vabereki vanoigamuchira kuti vaidye nekuichengeta, kazhinji vachibhadharira vana vavo. Kunyangwe izvi zvingaite senge zano reudyire, zvakaratidza kuti zvinoshanda zvakanyanya kune shiri dzecuckoo.
Cuckoo Shiri's Egg-Laying Strategy: Iyo Art of Stealth uye Nguva
Shiri dzeCuckoo dzinongwarira zvikuru pakusarudza matendere emarudzi adzo anotambira uye kukandira mazai adzo panguva chaiyo. Vanowanzo kukandira zai rimwe chete padendere kuti vasaonekwe uye vatevedzere hukuru uye mavara emazai emhando yemhando. Vanorongawo nguva yokukandira mazai yavo nokungwarira kuti ienderane nekandira kezai kerudzi rwemhando, kuitira kuti mazai avo atange achechenywa uye vabereki vanenge varipo vangangoatarisira.
Iyo Cuckoo Chicks 'Kupona Maitiro: Kupfuura Vanin'ina Vavo
Cuckoo huku vanozvarwa vaine humwe hunyanzvi hwekupona. Dzinowanzosundidzira mazai emarudzi adzo kana kuti nhiyo kubva mudendere kuti dzive nechokwadi chokuti dzinowana ngwariro yose uye zvokudya kubva kuvabereki vanodzigamuchira. Vanewo kurira kwakasiyana kunotevedzera kurira kwenhiyo dzakawanda, zvichiita kuti vabereki vaenzi vafunge kuti kune miromo yakawanda yekudyisa kupfuura iripo chaizvo. Aya matekiniki aratidza kuti anoshanda zvakanyanya, sezvo huku dzecuckoo dzinowanzokura nekukurumidza uye dzakakura kupfuura hama dzadzo dzekugamuchira, dzichiva nechokwadi chekurarama kwavo.
Basa reKubata Zvisikwa muCuckoo Shiri Kubereka Kubudirira
Kubudirira kwekubereka kweshiri yecuckoo kunotsamira pakuda kwedzimwe shiri kuchengeta vana vadzo. Dzimwe mhando dzemhando dzakagadzira dziviriro kurwisa shiri dzecuckoo, sekuziva uye kuramba mazai avo. Vamwe vakashanduka-shanduka neshiri dzemacuckoo, vachigadzira nzira dzekuziva nekusimudza mazai avo seavo. Kubudirira kweshiri dzecuckoo kunoenderanawo nekuwanikwa kwemhando dzakakodzera dzekugamuchira uye kuwanda kwezviwanikwa zvekudya munzvimbo yavo.
Izvo Zvinonakidza Zvigadziriso zveCuckoo Shiri dzeBrood Parasitism
Shiri dzeCuckoo dzakagadzira zvimwe zvinonakidza kugadzirisa kuti dzitsigire zano ravo rebrood parasitism. Vane miromo yakasimba yekupwanya mazai evaenzi, hunyanzvi hwekutaura hwekunyengetedza vabereki vanovagamuchira kuti vavatarisire, uye mazai ehunyanzvi anotevedzera chitarisiko chemhando mazai. Ivo zvakare vane yakasarudzika digestive system inovabvumira kugaya zvine muchetura makomisheni anowanikwa mumazai emamwe marudzi anotambira, zvichivapa mukana kupfuura vanun'una vavo.
Mhedziso: Nei Cuckoo Shiri Ari Imwe Yezvisikwa Zvinonyanya Kunakidza Zvisikwa
Cuckoo shiri imhando dzinonakidza dzakashandura yakasarudzika yekubereka zano. Maitiro avo ebrood parasitism aratidza kuve anoshanda zvakanyanya mukuwedzera budiriro yavo yekubereka, uye vakagadzira mamwe anoyevedza magadzirirwo ekutsigira zano iri. Kunyange zvazvo mufambiro wavo ungaratidzika kuva woudyire, rutivi rwomuzvarirwo rwenyika inokwikwidzana yokuberekana kwemhuka. Cuckoo shiri chiyeuchidzo chekusiyana kunoshamisa kwehupenyu hwepasi redu uye nzira dzakawanda idzo mhuka dzakashanduka kuti dzirarame uye dzibudirire.