Adjective
unicolor (not comparable)
(American spelling) Of one color; monochromatic.
Several birds are listed as threatened, most notably the resplendent quetzal (Pharomacrus mocinno), three-wattled bellbird (Procnias tricarunculata), bare-necked umbrellabird (Cephalopterus glabricollis), and black guan (Chamaepetes unicolor). Source: Internet
The spotted deer (Axis axis), the Indian muntjac (Muntiacus muntjak) and the sambar (Rusa unicolor) were all introduced to the Andaman islands, though the sambar did not survive. Source: Internet