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Ducula concinna
The elegant imperial pigeon (Ducula concinna), also known as blue-tailed imperial-pigeon, is a large pigeon, with upperparts mainly dark blue-green in colour with an iridescent sheen. Head, neck and underparts are mostly pale grey, with red-brown undertail coverts. The elegant imperial pigeon was originally described as Carpophaga concinna by Alfred Russel Wallace in 1865 based on specimens from the Watubela Islands. The elegant imperial pigeon is a large pigeon, measuring 43 cm (17 in) in length. (Wikipedia, general species account).
The elegant imperial pigeon inhabits primary forest, secondary forest, forest edge, and trees in cultivated areas. is sometimes found up to elevations of 850 m (2,790 ft). The elegant imperial pigeon is thought to migrate between small islands to look for food. On Damar, nest-building was observed in August, when two nests were found at heights of 25–30 m (82–98 ft) in primary evergreen forest. The head, neck, and upper back are pale grey, with a pink tinge on the nape and back of the crown. (Wikipedia, general species account).