He writes monthly for the natural history section of "Quercus "magazine and is the author of "La escritura de la naturaleza," "La ciencia en el campo," "Naturaleza patria," and "Los primeros pasos de la ecologIa en EspaNa." Rafael Serra is a regular contributor to "Quercus "magazine. His essay "El comportamiento animal en "Quercus"" appears in the book" Estudios sobre comportamiento animal: XXV aNos de la Sociedad EspaNola de EtologIa (1984-2009)."