The Eurasian wren (Troglodytes troglodytes) is in the family Warblers/Flycatchers and is a very small insectivorous bird, and the only member of the wren family Troglodytidae found in Eurasia and Africa. In Europe, it is commonly known simply as the 'Wren', it has a very short tail which is often held erect, a short neck and a relatively long thin bill. It is russet brown above, paler buff-brown below and has a cream buff supercilium. The sexes are alike.