Carpophaga ænea palawanensis Blasius, Ornis (1888), 4, 316.
Carpophaga ænea Salvadori, Cat. Birds Brit. Mus. (1893), 21, 190,
193 (part).
Muscadivora ænea McGregor and Worcester, Hand-List (1906), 11
(part).
Balabac (Steere); Calamianes (Bourns & Worcester, McGregor);
Palawan (Steere, Everett, Lempriere, Whitehead, Steere Exp.,
Bourns & Worcester, Celestino, White).
Very much like M. chalybura but tail darker and generally bluer on
its upper surface. Male: Length, 455; wing, 250; tail, 163. Female:
Length, 445; wing, 250; tail, 163.
This bird is a very slightly differentiated race of the green imperial
pigeon.