parrots - Maximillian Description General plumage is a dark olive green which appears rather dull but is iridescent in bright sunlight. Under tail coverts are red, bill is yellow with dark grey patch at base of upper mandible, iris dark brown and legs grey. The forehead is nearly black and most of the head feathers are margined with dark grey, giving a scaly appearance. The chin and throat band are blue to dark blue in the nominate species. In the subspecies P. m. siy the chin and throat are reported to be reddish-purple, and it has a chin patch which is pale red to pink and a large purple area covering the throat and chest.