|As far as is known the last captive Pink-headed Duck survived until at least 1948 in Calcutta.
This black-and-white photograph was coloured for Frank Todd's book "Natural History of the Waterfowl"(1996) Ibis Publishing: California. Many thanks to Dr Arun Kumar and Dr Frank Todd for assistance with this photograph and permission to reproduce it. [Source: Kumar, et.al. (2005)-Handbook on Indian Wetland Birds and Their Conservation; Pp xxvi+ 468].
The photograph was taken "in 1929 at Foxwarren Park Cobham, England in the collection of Alfred Ezra and shows all ten live Pink-headed Ducks shortly after their arrival from Sir David Ezra in Calcutta".
Ref: Julian P. Hume (2017) A high price to pay: new light on the extinction of the Pink-headed Duck Rhodonessa caryophyllacea. Forktail 33: 56-63