Christmas Island Imperial-Pigeon vs Cinnamon-bellied Imperial-Pigeon

Ducula whartoni compared with Ducula basilica

Taxonomic Classification

Rank	Christmas Island Imperial-Pigeon	Cinnamon-bellied Imperial-Pigeon
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class same	Aves (पक्षी)	Aves (पक्षी)
Order same	Columbiformes (Pigeons & Doves)	Columbiformes (Pigeons & Doves)
Family same	Columbidae	Columbidae
Genus same	Ducula	Ducula
Species	Ducula whartoni	Ducula basilica

Evolutionary Relationship

Christmas Island Imperial-Pigeon and Cinnamon-bellied Imperial-Pigeon share a common ancestor at the Genus level: Ducula.

View Genus: Ducula

Conservation Status

Christmas Island Imperial-Pigeon

LC — Least Concern

Cinnamon-bellied Imperial-Pigeon

LC — Least Concern

Physical Characteristics

Attribute	Christmas Island Imperial-Pigeon	Cinnamon-bellied Imperial-Pigeon
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Christmas Island Imperial-Pigeon

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

Cinnamon-bellied Imperial-Pigeon

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

Christmas Island Imperial-Pigeon

The Christmas Island imperial pigeon (Ducula whartoni) is a large frugivorous pigeon in the family Columbidae, endemic to Christmas Island, an Australian territory in the Indian Ocean. It is one of several vertebrate species unique to Christmas Island, reflecting the island's isolation and the evolutionary divergence of its fauna over millions of years. Like other members of the genus Ducula, the imperial pigeons, it is a substantial bird and an important seed disperser within the island's rainforest ecosystem. The species feeds primarily on forest fruits and plays a keystone ecological role in moving seeds of large-fruited trees across the island. Imperial pigeons in this group are often characterized by pale gray and iridescent plumage. The Christmas Island imperial pigeon inhabits the dense tropical rainforest that covers much of the island's interior plateau. Conservation threats include habitat loss from past phosphate mining operations and the ongoing impacts of invasive species, particularly the yellow crazy ant, which has dramatically altered forest ecology through the farming of scale insects, leading to canopy dieback over large areas. The species' restricted range and dependence on intact forest make it susceptible to further habitat deterioration. Active conservation management on Christmas Island includes invasive species control programs.

Cinnamon-bellied Imperial-Pigeon

The cinnamon-bellied imperial pigeon (Ducula basilica) is a large, arboreal fruit pigeon in the family Columbidae, endemic to the Moluccas (Maluku Islands) of eastern Indonesia, including Halmahera, Bacan, Obi, Ternate, and adjacent smaller islands. It inhabits primary and mature secondary lowland and hill forest, where it feeds on fruits, figs, and berries in the forest canopy. The plumage is largely dark metallic green above with a distinctive cinnamon-rufous underside that differentiates it from related imperial pigeons. Large fruit pigeons of the genus Ducula are important seed dispersers in island forest ecosystems, capable of swallowing large fruits whole and dispersing seeds far from parent trees. The species is classified as Least Concern by the IUCN, with populations considered stable in the Moluccas. However, all large fruit pigeons are susceptible to hunting pressure and habitat loss, and monitoring is needed given ongoing forest conversion in eastern Indonesia. The Moluccas harbor exceptional bird diversity due to their position between Asian and Australasian biotas. This species is absent from Europe entirely; Norwegian database records are incorrect geographic artifacts. Conservation of intact lowland forest in the Moluccas is important for this and many co-occurring endemic species.