di·mor·phic 
(dī-môrfĭk) also di·mor·phous (-fəs)
(dī-môrfĭk) also di·mor·phous (-fəs)adj.
Existing or occurring in two distinct forms; exhibiting dimorphism: a dimorphic crystal; dimorphic organisms.
dimorphicfemale (top) and male (bottom) cardinals