flying knob-billed duck (sarkidiornis melanotos)

aardvark africa alopochen also america argentina asia based bharatpur big birds brazil brazilian closeup continental early eastern extinct extreme flying found from genus identity india indian known laos madagascar mauritian mauritianus melanotos misidentified mistaken natural nature northeast occasionally occurs pan portrait realized recent region remains river saharan sarkidiornis shelduck sources south southeastern southern species still sub supposed telephoto tropical unusual vagrant water wetlands white wildlife