Timothy Robert Birkhead FRS (born 1950) is a British ornithologist. He has been Professor of Behaviour and Evolution at the University of Sheffield since 1976.
Timothy Robert Birkhead FRS (né en 1950) est un ornithologue britannique. Il est professeur de comportement et d'évolution à l'Université de Sheffield depuis 1976. (fr)
Timothy Robert Birkhead FRS (born 1950) is a British ornithologist. He has been Professor of Behaviour and Evolution at the University of Sheffield since 1976. (en)