 Contemporary accounts described the species as having white and grey plumage merging into yellow , black wing tips and tail feathers , a long neck and legs , and limited flight capabilities . Sieur Dubois ' 1674 account is the most detailed contemporary description of the bird , here as translated by Hugh Strickland in 1848 : 
 Contemporary accounts described the species as having white and grey plumage merging into yellow , black wing tips and tail feathers , a long neck and legs , and limited flight capabilities . Sieur Dubois <a href='null_genetive' title='1'><mark>'</mark></a>1674 account <a href='drop_aux' title='2'><mark>is</mark></a>the most detailed contemporary description of the bird , here as translated by Hugh Strickland in 1848 : 
Contemporary accounts described the species as having white and grey plumage merging into yellow , black wing tips and tail feathers , a long neck and legs , and limited flight capabilities . Sieur Dubois  1674 account the most detailed contemporary description of the bird , heaa as translated by Hugh Strickland in 1848 :