ingusa

vamshanasham sambhavicha pengvin inamaanu ingusa predemersus. munbu ithu "spheniscus" janussil sthaapikkukayum aafrikkan penguinte adutha bandhuvayi kanakkaakkukayum cheythirunnuvenkilum athinte valare vyathyasthamaaya tarsometarsus kandethiyathinushesham athu athinte ippozhathe monotypic janussilekku mattappettu. ekadesham 5 dasalaksham varshangalkk munbu dakshinaafrikkayile langbanwegile oru kwaariyil playsein paarakalil ariyappedunna fossilukal kandethi.
innathe jeevivarggam jeevichirunna samayam dakshinaafrikkayile atlaantik theerangalil aafrikkan penguinte poorvvikarude varavumaayi valare akaleyalla ennathaanu tanmatra daattayil ninnu ariyaavunnath. maruvashathu, ithu "pygoselis"-nodu aduthaayirikkaam. ithinartham athinte poorvvikar oligozene kaalaghattatthil oru anischithamaaya ghattathil nilavilulla "pygoselisil" ninnu vyathichalichavaraayirikkam ennaanu.
pakaramaayi, ithu nilavilulla penguinukalumaayi (sphenisina) aduthaayirikkilla, marichu vamshanaashabheeshani neridunna vamshavali athijeevicha oru penguinaayirikkum. ithu athinte praayam kanakkiledukkumbol valare saadhyathayilla-ithu noonn-sphenisin penguinukale athijeevicha avasaanatheyaalaayirikkum-ennaal ivayil chilath ippozhum eathaanum dasalaksham varshangalkk munbu jeevichirunnathinaal, ithu thallikkalayanavilla.

