Izindaba neNhlangano, Imvelo
Bird tukan: indawo yokuhlala, isithombe nencazelo
Lapho izingane ezincane zizama ukudweba izinyoni, zivame ukuzitshengisa ngezici eziphathelene ne-hypertrophied. Khona-ke kulo mfanekiso kukhona amaphiko amakhulu, amehlo noma izinkuni. Esikhathini esilandelayo, izinsana azikwazi ukungahambi kahle. Kungenzeka ukuthi isithombe sabo sibonisa izinyoni ezingavamile - izinkukhu. Ngokuvamile kubonakala ezithombeni ezinamahlathi ashisayo. Empeleni kubonisa isimo sezulu esinjalo.
Ulwazi oluwusizo
Ukuqala ireferensi encane kusuka ku-ornithology. Ingabe ikhona eyingqayizivele kangaka, ngendlela yayo, i-bird tukan? Incazelo yefomu layo engavamile kufanele iqale ngengxenye ephawulekayo kakhulu - umlomo. Futhi uvelele ngempela eToucan. Zomibili ngokoqobo nangokomfanekiso. Kungaba okunembile ukusho, hhayi nge-toucan, kodwa ngama-toucans. Phela, ngaphasi kweli gama lodwa kunezinhlobo ezingaphezu kwezingu-30 zezinyoni ezingama-6 genera. Babizwa ngokuthi iTukan. Noma kunjalo, ngokumangalisayo, ku-unit of the Woodpeckers. Kodwa ukuthandwa kwazo zonke lezi zinyoni kwakuthola ummeleli omkhulu kakhulu - umkhuhlane omkhulu. Ngezinye izikhathi ibizwa ngokuthi "Toko". Futhi igama elithi tukan lithola igama kusukela ekulileni kwalo, okuyinto eyenza ngokuphindaphindiwe leli gama.
Uhlala kuphi?
Yiqiniso, i-Toko ayitholakali esifundeni sethu. Indawo yokuhlala yenyoni ye-tukan iyinqaba lamahlathi ashisayo. Ungumkhuba ohlala kuyo yonke indawo yaseCentral neSouth America - kusukela enyakatho yeMexico kuya eningizimu ye-Argentina. Ngezinye izikhathi ungahlangana nenyoni ye-Toko nasezintabeni - ingahlala kalula endaweni ephakeme yamamitha angu-3000 ngaphezu kolwandle. Ngesikhathi esifanayo, i-thicket, ebumnyama futhi ilukhuni, ayithandi i-toucan. Kodwa emaphethelweni amahlathi alula, izindawo ezihlala eduze kwabantu, izintambo zezindebe yizindawo ezithandayo. Ngandlela-thile, emazweni atholakala ebhanini elishisayo, i-toucan ivela emigwaqweni ngokuphindaphindiwe njengenjuba emgqeni omkhulu waseRussia.
Izwi
Kodwa ngokungafani nejuba, uToko ungummeleli omkhulu, ongajwayelekile kakhulu embusweni wezintambo. Incazelo ye-toucan yezinyoni kufanele iqale ngezwi layo. Uma ufuna ukuzwa ikholi yangempela yehlathi, vele ulalele ingoma iToko. Uyazi ukuthi angamemeza kanjani kuphela ukukhala kwakhe okunqobayo "Tokano!", Kodwa futhi kubonakala eziningi izakhamuzi ezishisayo, ngakho-ke noma yimuphi parrot obzaviduetsya. Nakuba, ngokuvamile, izwi lenyoni likude nezingelosi. Ngaphezu kwalokho, uyazi nokuthi angenza kanjani ukuchofoza izici ngosizo lomlomo wakhe. Kodwa ingxoxo ikhethekile.
Beak - ukuziqhenya kwenyoni
Yini eyaziwa yiyo yonke inyoni iyinhlangano yamakhuhlane, ngakho-ke iyinhloko yayo enkulu. Ingafinyelela ku-20 cm, okungaba ingxenye eyodwa kwezintathu zobungako besamba samanje. Yona ngokwayo cishe ngamasentimitha angama-60 ngobukhulu - yiqiniso, sikhuluma ngomkhuhlane omkhulu, ummeleli omkhulu kunabo bonke. Okunye kungase kube mncane kakhulu, futhi ngezinye izikhathi akudluli usayizi lwezihlobo zakhe ezijwayelekile - umuthi wezinkuni.
Njengoba ubukhulu bayo bukhulu, umlomo we-toucan ulula kakhulu. Imelela ukuphumelela kwangempela kwengqondo, engabonakali ngumuntu, kodwa ngemvelo ngokwayo. Okokuqala, ayinayo emaphethelweni, afana ne-blade ye-saw, esiza i-toucan ukuthola ukudla ngokwayo. Okwesibili, kukhanya kakhulu - empeleni akufani nezinye izinyoni, uToko akanalo i-goiter monolithic, kodwa ayikho. Imvelo inikeza ukutholakala kwemithanjeni yamathambo esithambo namagundane e-keratin kuwo.
Okokuqala, ukuhamba kwama-toucan kunzima kakhulu. Bakhetha ukuhlala emigodini engapheli kakhulu ngosuku. Futhi bahlomisa isidleke sabo lapho. I-Toko - izinyoni zithandana, futhi zihlala ngababili noma ngamaqembu amancane. Ngesinye isikhathi bangakwazi ukuhlomisa indlela yabo yokuphila futhi emigodini noma emigodini engajulile ebhange lomfula. Ngaphezu kwalokho, toko - nje abazali abahle kakhulu. Mayelana nenzalo, bayanakekela umbhangqwana, bathathe amaphuphu amabili, futhi kanye kuphela ngonyaka.
Kuyathakazelisa
Ososayensi babecabanga isikhathi eside, kungani unomlomo omkhulu kangaka? Njengoba bengelona inyamazane - badla izithelo nezinambuzane ezincane. Akunakwenzeka ukuthi banqotshwe izitha zabo - kukhanya kakhulu, futhi izitha ze-toucan zinjalo kangangokuthi akukho ncithakalo kuyisithiyo kubo - izidumbu. Ngaphandle kokuba angesabisa. Kodwa, njengoba kwenzeka, ifomu eliyingqayizivele, kanye nolimi olungavamile, ludalwe ukutholwa kwezithelo zentshiseko yesithelo noma amakhiwane. Kanti futhi nokukhishwa amajikijolo - elinye i-toko lilahla isithelo esivela egatsheni liwuphonsa, kanti lesibili sibamba.
Isiphetho
Inyoni enjalo engavamile iyinkila enkulu. Okungokoqobo kakhulu futhi okuyingqayizivele ngokuphelele. Ngaphandle kwezici zokuziphatha nokubukeka, nazo zizenhlalo. Eqinisweni, ama-toucan afana nezingane - eziqondile, ezingenangqondo futhi ezithandana kakhulu. Bathemba, bafuna ukwazi futhi banamathele kalula.
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