it's a sclaterii (formerly - or still, depending on your taxonomic inclinations - a subspecies of scheepmakeri so often just called Scheepmaker's Crowned Pigeon). The two can be told apart relatively easily by (especially) the colour of the wing coverts.
If you scroll down a little on the following link there is a handy painting showing the differences: Southern Crowned Pigeon
it's a sclaterii (formerly - or still, depending on your taxonomic inclinations - a subspecies of scheepmakeri so often just called Scheepmaker's Crowned Pigeon). The two can be told apart relatively easily by (especially) the colour of the wing coverts.
If you scroll down a little on the following link there is a handy painting showing the differences: Southern Crowned Pigeon