Amboyna Cuckoo-Dove
Macropygia amboinensis
The Amboyna cuckoo-dove is typically about 35–37 centimetres (14–15 in) long. Males tend to have a slight rose/green colouration on their nape and neck. In Indonesia and Papua New Guinea, many subspecies have whitish underparts, fine dark barring below and/or a whitish cap. The call of this dove is a very loud "whoop-a whoop" with some differences depending on the subspecies involved.
ID text from Wikipedia, CC BY-SA 4.0
Sultan's Cuckoo-Dove
Macropygia doreya
They are typically about 35–37 centimetres (14–15 in) long. The males tend to have a slight rose/green colouration on their nape and neck. Many subspecies have whitish underparts, fine dark barring below and/or a whitish cap. The call of this dove is a very loud "whoop-a whoop" with some differences depending on the subspecies involved. Sultan's cuckoo-dove inhabits rainforest, woodland, scrubland and rainforest regrowth areas. The doves can often be seen in pairs or groups. Its diet consists of berries from both native plants and introduced weed species.
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: Amboyna Cuckoo-Dove and Sultan's Cuckoo-Dove.