Gabriel Gargallo was born in Barcelona and began his career in ornithology as a member of the Catalan Ringing Group in 1986. His main interests are the Sylvia warblers, moult, and species insularity, and he has published over 20 papers relating to these subjects in several international journals. In 1987 he became a member of Catalan Ringing Committee and worked as its coordinator. Since 1992 he has also been coordinating the efforts of Spanish ringing stations involved in the Piccole Isole project and, among other research programmes, is in charge of the Catalan 'Constant Effort Site Scheme'. He finished his studies on moult pattern and process at the École Pratique des Hautes Études , Montpellier.
