This website is maintained by Stéphane Moniotte. For any question, comment, suggestion or to submit an article, please contact him at digiscoping@hotmail.com We are proud to acknowledge the contribution of the following authors (alphabetical order):   Kees Bakker: bakkerC@vertis.nl Ann Cook: acook@birdsofmanitoba.com Jens Eriksen: j_eriksen@altavista.com  Alain Fossé: alfosse@wanadoo.fr or alfosse@bigfoot.com Lucien Guès: lgues@nordnet.fr Steen Hougs and Inge Mardal: imardal@brutele.be Yves Leduc: ledy@digiscoping.ca Barbara Passmore (manuscript review). Jean-Yves Piel: piel@gega.net  Laurence Poh: pohsp@pc.jaring.my