Tri-coloured Nun

Lonchura malacca

also know as the Tri-coloured Munia

Other names:
Black-headed Mannikin/Munia/Nun: Tri-coloured Mannikin: 
Three-coloured Mannikin/Nun.

TRI-COLOURED MUNIA by the Bird-keepers Guide To Mannikins and Munias ( Just Bengalese )

Finchworld's "The Nun Index" links to further Nun Information.