The Whitethroat is larger than the Lesser Whitethroat, being about the same siza as a Great Tit.
Both sexes have chestnut brown wings similat to a House Sparrow and a grey mantle, pink buff breast, a white belly and as it's name suggests, a white throat. The tail is bordered with white.
The difference between the sexes is that the male has a grey crown, nape and ear coverts while the hen is brown.