Wagtail: shiri dzinotama kana kwete? Tichazotaura ziva!

A wagtail duku uye kusetsa shiri anozivikanwa kuti anenge munhu wose. Inogona kuonekwa gore rose. Nzvimbo inogara yakakura, ndichinanavira akapotsa kubva kweArctic murenje uye kuna Asian. Iye kunyange kuwanikwa Iceland uye China. Panzira, kuti wagtail - shiri dzinotama kana kwete?

Ichi hachisi chinhu simbe mubvunzo, nokuti dzimwe ndima anonzi ndakagara, vamwewo vanoti yechando ose, Ptah ichi kumwe inobhururuka.

Munyaya iyi, uye chokwadi hachisi nyore. Masayendisiti anodavira kuti ayo kwokukunda kufora munyika wagtail kutanga kumwe mu Africa. Uye kunyanya vanhu vose vanoti zviri kuitika kubva kune imwe nzvimbo iri kumaodzanyemba. Saka, ndiani ari wagtail yakadaro: shiri dzinotama kana kwete?

Ornithologists vanoti chikamu chikuru chacho rwakasiyana-siyana, shiri iyi zvinoita Flights yechando dzose. Asi kumaodzanyemba kweEurope uye Africa kune vanhu kuti vari hapana munguva yechando regai kubhururuka.

Nyaya pamwe yomwaka kuchinja nzvimbo angamuka nekuda pakati munhu mukuru chikamu polymorphism, kana shiri kubva kunzvimbo dzakasiyana tarisa zvakasiyana mhando iyi. Vanogona kuvhiringidzwa nedzimwe mhando, uye nei nharo.

In nyika yedu, wagtail - shiri dzinotama kuti vakadzokera kumba panguva mavambo hwomukova yenzizi chando. Kazhinji, zvinoitika kumwe pakuguma March.

Zviya, pakarepo mushure pakasvika shiri idzi kuda kugara pedyo ice-achienda uye rwizi thawed, kukonzera vanhu jokingly vanoti kuti Unokanganisa aizi wagtail. Dzinotama shiri kana kwete - isu kare afunga, asi chii chinoitika yezwi dzinodengenyeka of Central Asia?

Hatidi nokusaziva Akanyanyosimbisa nyaya iyi. Munzvimbo idzodzo okunze kunonyanyisa chaizvo (sezvo chinoshamisa sezvo kunganzwika). Chokwadi chokuti mwedzi zhizha kazhinji dzinoratidzwa ne stifling kupisa uye zuva rinopisa, apo chando hazvo, pamusoro wayo nekuomarara katyamadza kunyange chizvarwa Siberians.

A muenzaniso unoshamisa - Mongolia. Muzhizha tembiricha inogona kuva pedyo 60 Celsius munguva yechando kuenda kure pasi chiratidzo 20 inegumi. Sezvo achiita shiri wagtail (mapikicha iyo vane munyaya) mumamiriro ezvinhu akadaro?

Panguva iyoyo iye anoratidza zvose kusiyana kwayo! In chete Mongolia, pane vanenge gumi nevaviri subspecies nomubereki shiri, izvo, chitarisiko chavo uye tsika zvakasiyana chaizvo kwaari.

Saka, vamwe vavo vari zvinenge endemic, kusiya misha yavo chete panyaya dzechando zvikuru nehasha, uye vamwe wagtails kuita kure Flights, kunyange muzhizha, zviri nyore kuti vaumbe nevaNefirimu itsva.

The chete unhu chinobatanidza zvose nhengo iyi nedzimwe mhando chinoshamisa kukwezvana yavo kumunhu uye nharaunda nevanhu. Kana pedyo dzinogarisana kwenzvimbo pane guta guru, anenge zvose shiri kuchagadzirisa mumutsara yake.

Panzira, pane imwe oddity: munzvimbo huru wagtail kazhinji miitiro yavo, uye ipapo chikamu vakawanda, kunyange chando inoramba panzvimbo iyoyo. Chokwadi, izvi zvinogona kutsanangurwa pfuma nezvokudya nezviwanikwa, asi kuti vamwe shiri haana kuita izvozvo!

Heunoi iye, kuti wagtail. Dzinotama shiri kana kwete zvakaoma kutaura chokwadi, sezvo inogona kukanganisa zvinhu zvinoverengeka.