Tanthauzo:
(dzina) Mmodzi mwa nthenga zazikulu zouluka pambali pamphepete mwa mbalame ya mbalame.
Kutchulidwa:
NTHAWI-mair-eee FEH-therr
Za Mipingo Yaikulu
Nthenga zazikulu ndi nthenga za "phazi", motalika kwambiri pa phiko la mbalame. Akuthawa, ali ndi udindo woyendetsa mbalame patsogolo, ndipo nthenga iliyonse imatha kusinthasintha payekha kuti ikhale yoyendetsa ndege zowonongeka ndikukonzekera kukwera kwa mpweya.
Mwachitsanzo, ngati nthengazo zatambasulidwa ndipo zimawombera, kuthawa kwa mbalame kudzakwera pang'onopang'ono ndipo kumtunda kudzatsika, mbalame zambiri zimagwiritsidwa ntchito pofika. Ngati nthenga zikuluzikulu zimagwiritsidwa mwamphamvu pang'onopang'ono, kuthawa kwa mbalame kudzakhala mofulumira komanso molondola kwambiri, monga kusambira kwa mbalame zodya nyama.
Pamene nthenga zapadera zimaloledwa m'malo mwake pogwiritsa ntchito molting, nthawi zambiri zimatsanulidwa pawiri, ndipo nthenga imodzi imatayika nthawi imodzi kuchokera ku phiko lililonse. Nthengazi zimatayika pamalo omwewo kuchokera kumtunda uliwonse, zomwe zimathandiza mbalame kukhalabe yoyenera kuthawa. Ngati zingapo zowonongeka zimatayika mwa kuvulala, kuthawa kungakhale kovuta kwambiri.
Kuzindikira Mbalame Pogwiritsa Ntchito Zolemba Zawo
Nthenga zazikulu zingagwiritsidwe ntchito popanga mbalame m'njira zingapo.
- Nambala : Nambala ya nthenga zazikulu mbalame imadalira mitunduyo komanso momwe nthenga zimakhalira - mbalame zambiri zimakhala ndi mapepala 9-16. Izi zingakhale zothandiza kwa onithologists kapena ojambula mbalame kuti adziwe bwino mitundu yofanana kapena subspecies, koma ndi osagwira ntchito kwa mbalame m'munda chifukwa mbalameyo imayenera kugwira ntchito kuti iwerengetse nthenga.
- Mtundu : Mtundu wa zilembo zimatha kusiyana ndi mbali zina za phiko, kupanga phala kapena patch pamphuno. Mtundu umenewu ukhoza kukhala malo ofunikira kwambiri, makamaka pozindikira mbalame zithawa pamene nthenga zawo zikuluzikulu zikuwoneka mosavuta. Pa mbalame zina, monga zikopa zambiri, zimatha kukhala zojambula, zooneka kapena zoletsedwa.
- Kupanga : Mmene nthenga zapakati zimayambira zimakhala zothandiza kudziwika, makamaka ngati nthenga zikupezeka zitatha. Kutalika kwa kutalika konse kungakhale chitsimikizo kwa mitundu ya mbalame, ndipo ngati nsongayo ikuphatikizidwa, chingwe chokhazikika kapena chingwe chakuthwa chingathandizenso.
- Pulogalamu ya Ndege : Momwe mbalame imagwirira nthenga zake zazikulu mosasamala, kuthawa kungakhale chizindikiro chodziwika bwino. Mbalame zina, monga nkhuku zotchedwa turkey , zimakhala ndi zachilengedwe zambirimbiri, pomwe mbalamezi zimasunga nthengazi mofanana.
- Kukonzekera Kowonongeka : Pamene mbalame yatha, nthenga zazikulu zidzadutsa mbali zina za thupi, ndipo kutalika kwa chiwonetserocho kungathandize kuzindikira mitundu ya mbalame. Zolemba zapadera zingathe kufanana ndi malo a nthenga zachiwiri, mchira wa mchira kapena zizindikiro zina pa thupi kuti zidziwike.
Maphunziro a Chikhalidwe
M'mayiko omwe mbalame zina zimalemekezedwa kapena zosiyana ndi zauzimu , nthenga zazikulu zingagwire ntchito yopatulika chifukwa cha kukula kwake ndi kusiyana kwake. Mitundu yambiri ya chikhalidwe cha Amera American imagwiritsa ntchito nthenga zazikulu za mphungu, mbalame ndi zida zina kuti zikhale mwambo kapena zokongoletsa. Mu miyambo ina ya ku Africa kapena zikhulupiriro zofanana ndi zachikunja, nthenga zazikulu zingagwiritsidwe ntchito monga mbali ya miyambo ya potion kapena castling.
Komanso:
Mfundo zapakati, Primary Quill, Primaries (zambiri)
Chithunzi - Mapiko a Barn Barn Show Primaries © Alan Vernon