by Votier, Stephen C., Bearhop, Stuart, Crane, Jonathan E., Manuel Arcos, José, Furness, Robert W.
Published in Journal of avian biology (01.03.2007)

by Kalmbach, Ellen, Griffiths, Richard, Crane, Jonathan E., Furness, Robert W.
Published in Journal of avian biology (01.11.2004)

by Votier, Stephen C, Furness, Robert W, Bearhop, Stuart, Crane, Jonathan E, Caldow, Richard W. G, Catry, Paulo, Ensor, Kenny, Hamer, Keith C, Hudson, Anne V, Kalmbach, Ellen, Klomp, Nicholas I, Pfeiffer, Simone, Phillips, Richard A, Prieto, Isabel, Thompson, David R
Published in Nature (19.02.2004)

by Votier, Stephen C., Crane, Jonathan E., Bearhop, Stuart, de León, Ana, McSorley, Claire A., Mínguez, Eduardo, Mitchell, Ian P., Parsons, Matthew, Phillips, Richard A., Furness, Robert W.
Published in Journal of ornithology (01.07.2006)

by Votier, Stephen C., Bearhop, Stuart, Crane, Jonathan E., Arcos, José Manuel, Furness, Robert W.
Published in Journal of avian biology (01.03.2007)