The Christmas imperial pigeon or Christmas Island imperial pigeon, also known as Black imperial pigeon, Dusky imperial pigeon, Wharton's imperial pigeon, or burong pergam, is a large imperial pigeon endemic to Christmas Island in the northeastern Indian Ocean. It has an overall grey-blue colouration, and juveniles are duller than adults. It makes a soft purring coo sound and a deeper whoo sound comparable to a cow mooing. It lays one glossy white egg per brood, and is possibly somewhat colonial.
The Polynesian imperial pigeon or Society Islands pigeon is a species of bird in the family Columbidae. It is endemic to French Polynesia. Its natural habitat is subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest. It is threatened by habitat loss.
Ducula is a genus of the pigeon family Columbidae, collectively known as imperial pigeons. They are large to very large pigeons with a heavy build and medium to long tails. They are arboreal, feed mainly on fruit and are closely related to the other genus of fruit-eating doves, Ptilinopus. Both genera display brightly coloured plumage, predominantly green, often with contrasting under-parts of purple, orange or red. Some Ducula have prominently swollen ceres. They have large gapes and swallow seeds whole, playing an important role in seed dispersal.
The cinnamon-bellied imperial pigeon or cinnamon imperial pigeon is a species of bird in the family Columbidae. It is endemic to the northern Moluccas. Its natural habitat is subtropical or tropical moist lowland forests.
The chestnut-bellied imperial pigeon is a species of bird in the family Columbidae. It is endemic to the southern Solomon Islands.
The Timor imperial pigeon is a species of bird in the family Columbidae. It is found on Timor and Wetar. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical moist montane forests. It is threatened by habitat loss.
Finsch's imperial pigeon or the growling imperial pigeon, is a bird species in the family Columbidae. It is endemic to Papua New Guinea. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.
The dark-backed imperial pigeon is a species of bird in the family Columbidae. It is endemic to the Lesser Sunda Islands.
The black imperial pigeon, also known as the Bismarck imperial pigeon, is a species of bird in the pigeon family, Columbidae. First described by English zoologist Philip Sclater in 1878, it is endemic to the Bismarck Archipelago, where it mainly inhabits rainforest and cloud forest in mountain areas above 500 m (1,600 ft). It is a large, heavily built imperial pigeon, with a length of 38–43 cm (15–17 in) and a weight of 661–665 g (23.3–23.5 oz). Adults are almost entirely black, except for the dark chestnut undertail coverts, the silvery-grey underside of the tail, and a pale grey scaly pattern on the wings and back. Both sexes look alike. Juveniles differ from adults in having paler undertail coverts.
The spice imperial pigeon is a species of bird in the family Columbidae. It is endemic to Indonesia, where it occurs in the eastern Moluccas and the Raja Ampat Islands. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical mangrove forests. It eats, and is an important disperser of seeds for, fleshy fruits.
The Pacific imperial pigeon, Pacific pigeon, Pacific fruit pigeon or lupe is a widespread pigeon species in the family Columbidae. It is found in American Samoa, the Cook Islands, the smaller islands of eastern Fiji, Kiribati, Niue, the smaller satellite islands of Papua New Guinea, Samoa, Solomon Islands, Tokelau, Tonga, Tuvalu, Vanuatu, and Wallis and Futuna Islands.
The spectacled imperial pigeon is a species of bird in the family Columbidae. It is endemic to the Maluku Islands.
The grey imperial pigeon is a species of bird in the family Columbidae. It is found in the Sulu Archipelago, Miangas and Talaud Islands. It is a small island specialist where its natural habitats are tropical moist lowland forests and plantations. It is threatened by habitat loss.
Pinon's imperial pigeon or Pinon imperial pigeon is a species of bird in the family Columbidae. It is found in New Guinea. The species is named after Rose de Freycinet née Pinon. Several subspecies have been designated:
The grey-headed imperial pigeon is a species of bird in the family Columbidae. It is endemic to Sulawesi in Indonesia. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.
The pink-headed imperial pigeon is a species of bird in the family Columbidae found in the Lesser Sunda Islands of Indonesia. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical mangrove forests, and subtropical or tropical moist shrubland. It is threatened by habitat loss.
The red-knobbed imperial pigeon is a bird species in the family Columbidae. It is found in Bismarck Archipelago and the Solomon Islands archipelago. Its natural habitat is subtropical or tropical moist lowland forests. Red-knobbed imperial pigeons frequently forage in groups of five to ten individuals.
Zoe's imperial pigeon or Zoe imperial pigeon, also known as the banded imperial pigeon, is a species of bird in the family Columbidae. It is found in New Guinea. Its natural habitats are subtropical or tropical moist lowland forest, subtropical or tropical mangrove forest, and subtropical or tropical moist montane forest.
The Seram imperial pigeon is a species of bird in the family Columbidae. It is endemic to Indonesia where it is found on Seram and Ambon Islands in the Moluccas.
The Geelvink imperial pigeon is a species of bird in the family Columbidae. It is endemic to Indonesia's Schouten Islands and Mios Num Island, which lie north of New Guinea. Its natural habitats are tropical moist lowland forests and mangrove forests.
