Carrion crows are all black, beak and feathers, jackdaws have a dark grey neck and light eyes, rooks have a white/light grey junction between face and beak
do you mean this one
http://www.orientalbi....org/search.php?Bird_
only its light grey rather than fawn the only fawn and black bird I can think of is the rose coloured starling it looks like a small fawn and black corvid