Q:Aechmophorus -  Aechmophorusis a genus of birds in the grebe family.It has two living representatives breeding in western North America.Western Grebe Aechmophorus occidentalisClark's Grebe Aechmophorus clarkiiOne prehistoric species has been described from fossil remains:Aechmophorus elasson (Late Pliocene of W USA) Although the two living species look very similar bill shape and coloration as well as feathering around the scarlet eye of the bird can be used to determine the precise species. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Animal