Orange-breasted Green Pigeon
Treron bicinctus
Similar in appearance to other green pigeons including the yellow-footed green pigeon and the grey-fronted green pigeon but has no maroon on the wing. The male does not have any grey on the head but has a narrow band of lilac on the upper breast with a broader orange band below. The undertail-coverts are cinnamon with the longer feathers edged yellow. The tail is grey above with a broad subterminal dark band. The females are yellow below and lack the orange or lilac bands. The undertail coverts are duller cinnamon with greenish spots.
ID text from Wikipedia, CC BY-SA 4.0

Pin-tailed Green Pigeon
Treron apicauda
The pin-tailed green pigeon is a medium sized dove, with an average weight of 185-255 grams. Males are 32-36 cm and females are typically 28 cm. It is yellow-green overall, with darker green wing-coverts and scapulars and black outer secondaries and primaries. The males have a golden breast with pinkish hues. The central tail feathers are a bluish-gray and the undertail-coverts a chestnut color. The orbital ring is blue, as is the bill, with a lighter green or yellow tip. The legs and feet are a bright reddish-pink.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Orange-breasted Green Pigeon and Pin-tailed Green Pigeon.