Iwo Akabatanidzwa Flycatchers, yavo nzvimbo uye shanduko yemamiriro ekunze

flycatcher nzvimbo

Shanduko yemamiriro ekunze inogona kukanganisa mhuka zhinji nemiti yezvirimwa munzira dzatisingatombo fungidzira. Kubva pakupatsanurwa munzvimbo yavo yekugara kusvika pakuchinja mune phenology uye kwavo kutenderera, shanduko yemamiriro ekunze iri kukonzera shanduko zhinji (mamwe acho asingadzoreke) mumarudzi mazhinji epasi rose.

Mune ino kesi isu ticha taura nezve murume we collared flycatcher. Shiri ine chena chena mumusoro wayo yakakosha mukubereka kwayo uye kusangana. Kuchinja kwemamiriro ekunze kuri kukanganisa sei shiri iyi inokosha?

Iyo Yakavezwa Flycatcher zano

Hume yemubati akabhururuka ane mutsipa ane chivara chena mumusoro uye chakakosha zvakanyanya pakutsvaga kwako kwemukadzi. Iyo yakakura nzvimbo iri mumusoro, inowedzera kukwezva kune vakadzi uye zvakanyanya mukana wekuzvipfuudza mumajini avo. Izvi zvave zvirizvo nekusingaperi. Zvisinei, pamusoro pemakumi emakore apfuura, chimwe chinhu chakachinja.

Shanduko yemamiriro ekunze iri kukanganisa shiri iyi. Inoita nenzira yekuti vanhurume vane nzvimbo diki kwazvo vapone kupfuura avo vane nzvimbo hombe uye vari kuve nevana vakawanda.

flycatcher

Iyo Yakavezwa FlycatcherFicedula albicollis) ishiri inopfuura, inozivikanwa seshiri. Iyo isingatombo pfuura 18 gramu muhuremu, inogara mumatunhu ekuchamhembe uye epakati peEurope, kwaanotiza nguva yekupedzisira kwezhizha yapotera muAfrica Inopa hukuru hwepabonde dimorphism. Hadzi dzacho dzakacheneruka muvara, ukuwo hono dzichisanganisa nhema nechena sekunge dzauraya mhombwe kana mapandas. Uye zvakare, vanopa chena chena kumberi kwemusoro, pamusoro pemuromo. Hukuru hukuru hwenzvimbo ino hwakabatana kuva nenharaunda yakakura uye nemikana mikuru yekukwezva vakadzi nekuzvara.

Nyanzvi pane shiri idzi dzave dzichidzidzidza kwemakore makumi matatu nematanhatu. Nguva dzekutanga dzavakabatwa nekusungwa, vaive vachisimbisa kubudirira kwekubereka kwavanakidzwa nekuve nenzvimbo hombe yemusoro. Zvisinei, pakati pe-36s, zvinhu zvakatanga kuchinja uye zvakawedzera pamusoro pemakore gumi apfuura.

Kuderera kwetsvina

Muchikamu chechipiri cheongororo chakaitwa nenyanzvi, zvakaonekwa kuti varume vane nzvimbo diki yekumberi kurarama kwenguva yakareba uye kuva nevana vakawanda. Inofungidzirwa muchidzidzo kuti kudzikiswa kwechitema kunova 11% zvishoma. Chakazovabata ndechekuti vaisaziva kana kurondedzera kudzikira kwenzvimbo iyi nekugona kwavo kuchinjika kubva kushiri pachavo kune dziya dzine nzvimbo diki. Asi hazvina kuita zvine musoro sezvo muchikamu chekutanga chekudzidza, ndivo vaive necivara chikuru vakapona.

collared flycatcher

Nekudaro, ikozvino muzuva ranhasi, zvidiki-zvine mitsetse makumbo ekubhururuka zvino ave nenharaunda yakawanda uye anokwezva mamwe emadzimai.

Chii zvachinja?

Nyanzvi dzakagadzirisa akasiyana siyana kutsanangura kudzikiswa kwenzvimbo pamusoro. Asi vakagara neavo vane chekuita nekushanduka kwemamiriro ekunze. Nekuti tembiricha yepasi rose yakwira kubva kuma80s kusvika nhasi, mumatsime anodziya (panguva yekudanana nemwedzi wekusangana) shiri dzinoita zvirinani dzine tunhu tudiki. Ndosaka shanduko yemamiriro ekunze ichinge ichipa kumanikidza kusarudza mukufarira avo vasina zvipo.

“Hatina chokwadi chekuti chii chinogadzira musiyano wemuviri, kare kana iko zvino. Zvichida shanduko yemamiriro ekunze yakaita kuti zviome kuberekesa shiri idzi, kunyanya sezvo vachifanira kutamira kuAfrica. Izvi zvinogona kureva kuti vanhurume vane nzvimbo dzakakura vanofanirwa kushanda zvakanyanya izvozvi: pamusoro pekupa chikafu vana vavo, ava varume vanobatanidzwa mukukonana kwakanyanya nevamwe varume. Iko kumashure kwekubudirira kubereka. Mahara makuru anokwezva vanhukadzi, asiwo vanonetsa varume. " Nyanzvi dzeshiri idzi dzinotsinhira.

Sekupedzisa kunodhonzwa kuti kufambira mberi kwekutanga uye kufamba kuchamhembe ndiyo mhedzisiro miviri yeshanduko yemamiriro ekunze iyo inobata shiri zvakanyanya.


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  1. Inotarisira iyo data: Miguel Ángel Gatón
  2. Chinangwa cheiyo data: Kudzora SPAM, manejimendi manejimendi.
  3. Legitimation: Kubvuma kwako
  4. Kutaurirana kwedata
  5. Dhata yekuchengetedza: Dhatabhesi inobatwa neOccentus Networks (EU)
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