Females are the same as males, but lacking any blue.

The male can have up to two spurs on the legs while females usually lack them.

The female is similar to the male but lacks the male's black chin spot.

Females are similar, but lack the black mask and have an olive crown.

The female is similar, but lacks the black mask and has an olive crown.

The female has a shorter crest and lacks the black throat.

However, there are a few populations in which females lack antlers completely.

The female is similar, but lacks the black mask.

The female of this species lacks wings while the male is winged.

Females lack a pouch and have 9 to 15 mammae.