Bornean Treepie

It is a fairly large bird, 40 centimetres in length, including a long graduated tail, broad rounded wings and short weak legs. The underparts are pinkish-brown. The head is also pinkish-brown with a pale silver crown and a dark stripe over the eye and across the forehead. The back is greyish and the rump is pale. The wings are black with a white patch and the tail is grey with black tips to the feathers. The bill and legs are grey-black and the eyes are reddish. The Sumatran treepie differs in having a pale brown back, a dark brown head with a white nape and a thinner bill. The Bornean treepie is a noisy bird with a variety of loud, explosive calls including a bell-like whistle and various grunting and chattering calls. It is able to mimic the calls of other birds.