
walberginte kazhukan

vanapradeshangalilum savannakalilum seasonal kudiyettakkaaranaaya sub-saharan aafrikkayil ninnulla oru erapidiyan pakshiyaanu walbergs eegil (hairayattas walbergy).
sweedish prakrithishaasthranjanaaya johann august walberginte peraanu ithinu nalkiyirikkunnath. ellah kazhukanmareyum pole, ithu acypitridae kudumbatthil pedunnu.
vivaranam.
walberginte kazhukan idatharam valippamulla oru raaptaraanu, lingabhedangal samaanamaan. ekadesham neelamulla ithinu sharashari purushanmarkkum sthreekalkkum sharashari chirakukalum shareera pindavumundu. thalaykku oru cheria mukalbhaagavum kaalukalkk manja niravumaanu. thoovalukalude toonn vyathyaasappettirikkum parakkunna thoovalukalude irunda chaaraniratthilulla adibhaagangalum thadassamaaya chaaraniratthilulla undertailum ozhike irunda thavitt niramaayirikkum. prakashavum irundathumaaya thoovalukalude gattangal sambhavikkunnu. ilam niratthilulla oru vakabhedam chaaraniratthilulla undertail, flaitt fether adibhaagangalekkaal valare bharam kuranja thavittuniravum vellaniravumullathayirikkam. irunda vakabhedathekkaal valare kuravaanu ilam vakabhedam.
vitharanavum aavaasavyavasthayum.
madhya chaad muthal dakshinaafrikkayude vadakkukizhakkan theeram vare vyaapichukidakkunnavaya walbergs kazhukan. athinte padinjaaran athirthi cameroon aanennu karuthappedunnu, ennirunnaalum ithu saadhaaranayaayi bhookhandathiludaneelam kooduthal kizhakkayi kaanapedunnu.
eee valia paridhikkullil, ithu saadhaaranayaayi samudranirappinum samudranirappinum idayil nilanilkkunnu, pakshe edhiyopiyayude uyarathilum ithu rekhappeduthiyittundu.
walberginte kazhukanmaar hraswakaalathinullil valia dooram sanjarikkunnu. 1994ll, oru penn walberginte kazhukane 9 maasathe kaalayalavil kandethi, eee kaalayalavil athu vadakkan namibia muthal chaad vareyum pinnilekkum sanjarichu; thekk prajananavum vadakku prajananamallaatha pradeshangalum thammilulla paridhi, athinte prajnana maithaanangal upekshichu verum anchu divasathinullil athu vadakkott sanjarichu.
swabhaavavum paristhithiyum.
uragangaleyum (vividha pallikalum paambukalum) kurachu cheria sasthanikaleyum (marangal, annaakkal, muyalukal) bhakshikkunnundenkilum walbergs kazhukan pradhaanamaayum pakshikale (gabber goshok, baann moonga thudangiya mattu raaptarukal ulppede) vettayaadunnu. chithalukal, vettukkilikal, vandukal thudangiya vividha akasherukkale ithu bhakshikkunnathaayum rekhappeduthiyittundu.
walberginte kazhukan pradhaanamaayum dakshinaafrikkayil october muthal februvari vareyulla kaalayalavil prajananam nadathunnu. ithu oru maratthinte forkilo eenthappanayude kireedatthiloo oru vadi koodundaakkunnu. walberginte kazhukanmaar ekabhaaryaraanu, avaa deerghakaala jody bandhangal roopappeduthunnu. sankeernavum athishayakaravumaya aakasha pranayaparipaadikalude pradarshanatthinu avaa ariyappedunnu. avaa valare praadeshikavum eakaanthavumaaya nestarukalaanu. ore jody palappozhum onniladhikam varshangalil koodu veendum upayogikkunnu. bhakshanam kooduthal eluppathil labhyamayathinaal october muthal februvari vareyulla vadakkan dakshinaafrikkayile eerppamulla samayathaan ivayude prajananakalam. aann kazhukan nalkunna bhakshanam penkunjungalkku nalkunnu.
1990kalil prathyulppaadana ulppaadanathile kuravu nireekshikkappettu, ithu walberginte kazhukanmaarude vardhichuvarunna janasaandrathayumaayi bandhappettathaanennu karuthappettu; prajnana vijayam valare saandrathaye aasrayichirikkunnu, vibhavangalude labhyatha eee prathibhaasatthil oru punk vahichilla.
vargeekaranam.
marker jeane seekvansukalekkurichulla padanangal (prasidheekaricha 2004-2005) walberginte kazhukan "hairettas pennaattas", echu adangiya oru vamshathil pettathaanennu kandethi. morphonides, "echu. irasi "," echu. (emm.) weiskey ".
athinusesham, niravadhi taxonomic checklistukal "akvila walbergy" yill ninnu "hairayattas walbergy" aayi maari. ennirunnaalum, aafrikkan pakshi clubb (2012 leeii checklist prakaram) randaamathe thekkan aafrikkan pakshi atlas padhathiyum (2014 leeii kanakkanusarichu) akvila walbergy "hairettas" inathil ninnu verittunirthunnathu thudarunnu.