Ardeola, 2006 Staff Author(s) Citation Catry, P., Lecoq, M., Conway, G., Felgueiras, M., King, J.M.B. & Hamdi, S. 2006. Are Blackcaps Sylvia atricapilla differential distance migrants by sex?. Ardeola 53: 38. http://www.ardeola.org/pubs/53(1)/31-38 Staff author(s) Greg Conway