IOC 3.1 Pied/Torresian Imperial Pigeon

Subject: IOC 3.1 Pied/Torresian Imperial Pigeon
From: Frank O'Connor <>
Date: Sun, 17 Jun 2012 21:41:56 +0800

It seems that the Pied Imperial Pigeon (Ducula bicolor) and Torresian Imperial Pigeon (Ducula spilorrhoa) are separate species in the IOU list.

Torresian Imperial Pigeon is the species in Australia plus se PNG.

Pied Imperial Pigeon is the species from SE Asia , Philippines, Indonesia and w Papua.

There is an historical record in Feb 1899 of a pigeon in Flying Fish Cove at Christmas Island. Presumably this would be the Pied Imperial Pigeon.

Does anyone know what the difference is between the two species? I had thought that the Kimberley form was the same as Indonesia, and these were resident species rather than migratory as Torresian Imperial Pigeon. The Kimberley birds have an orange vent. But the IOU have the Kimberley form as a sub species of Torresian Imperial Pigeon.

Frank O'Connor           Birding WA
Phone : (08) 9386 5694 Email :

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