** Obsolete:** The actual data are no longer available at the specified website.
Field work was conducted during three spring seasons in Vårsolbukta, a pre-breeding stopover site in Svalbard, Norway. Ring readings were conducted daily with telescopes (20-60 zoom) for barnacle geese, brent geese and pink-footed geese. Date, time and area of each observation was registered. In addition, abdominal profiles were registered.
Quality
Quality checked with data from winter area (http://www.wwt.org.uk)