Waterbird reports for 1999, 2004, 2005 and 2007 were sent by Dražen Kotrošan of Naše ptice.
A January count from 2012 was sent by Stepahnie Tyler of Birdlife Botswana.
Winter counts from 1950 - 2012 were sent by Aleksi Lehikoinen from University of Helsinki.
January counts for 2012 were provided by Namory Keita of Division Faune et Protection de la Nature via Abdoulaye Ndiaye of Wetlands International Africa Office.
Sándor Faragó from University of West Hungary supplied counts for 2008 - 2011.
January counts for 1991 - 2010 were sent by Nicola Baccetti & Marco Zenatello from ISPRA.
John Wilson of the Wildlife and Environmental Society of Malawi sent counts for Januray 2012.
Wintering, goose and seaduck counts for 1975 - 2010 were submitted by Menno Hornman ofSOVON.
Cristian Domsa of the Romanian Ornithological Society (SOR) provided January counts for Romania in 2010.
January counts for 1967 - 2011 were sent by Verena Kellerof Vogelwarte (Swiss Ornithological Institute).
January counts for 2005 & 2007-2010 were submitted by Yuriy Andryushchenko from the Azov-Black Sea Ornithological Station.