animal argusianus biological classification bird blood pheasant blue eared pheasant brown eared pheasant cheer pheasant chordate chrysolophus common pheasant copper pheasant crossoptilon double-banded argus galliformes genus golden pheasant great argus green pheasant imperial pheasant kalij pheasant mikado pheasant partridge phasianidae phasianus polyplectron quail sexual dimorphism siamese fireback silver pheasant species syrmaticus tail white-crested kalij pheasant white-eared pheasant