distiguishable

This pattern, known as sexual dimorphism, is more typically seen in birds where the males are brightly colored and the females are drab brown and hardly distiguishable form other species of bird.

Archive 2008-08-01 Field Notes 2008

This pattern, known as sexual dimorphism, is more typically seen in birds where the males are brightly colored and the females are drab brown and hardly distiguishable form other species of bird.

Blue-Eyed Lemurs: Or why gentlemen prefer blondes. Field Notes 2008

Estimates of the number of distiguishable colors range from two million to five million.

Determinates vs. Determinables Sanford, David H. 2006