From the Reise der österreichischen Fregatte Novara [...] Zoologischer Theil, A. Pelzeln, "Vögel": "In a male shot on 11 March on the island of Kamorta by Baron Pöckh, the eyes were black, the eye rings lead grey, the beak black at the tip, lead grey towards the root. Total length 14 1/2", flight distance 2' 3 1/2". A female was killed on 17 March by Baron Wüllerstorf on Treis Island. - A generally rare and very elusive pigeon. Present in large numbers only on the island of Treis. The Nicobar people call them Hagiol. Seeds and red fruits have been found in the stomach. Zlbr [Zelebor]. Some other specimens were collected by Baron Pöckh and Mr Zelebor." (p. 107).