Old sanderling with colour-rings on breeding ground at Zachenberg.

Sanderling with colour-rings on autumn migration in France.

The same sanderling as a pullus and as a juvenile.

Pullus of sanderling is ringed with colour-rings.

The breeding ecology of sanderlings

in Zackenberg, North East Greenland.

Project responsible

Niels Martin Schmidt,,
Greenland, BioBasis.
Dept. Arctic Environmental, Frederiksborgvej 399,
4000 Roskilde, Denmark.
+45 46 30 19 31.

Jeroen Reneerkens,
Animal Ecology Group, Centre for Ecological and Evolutionary Studies,
University of Groningen,
Po Box 14, 9750 AA Haren, The Netherlands.

Project period

2007 and 2009, and possibly more years. Observations of colour-ringed birds is still relevant after the project period.

Type of ringing

Individually numbered metal-rings from Zoologisk Museum, Copenhagen.

The birds also display a combination of two colour-rings registered in the International Wader Study Group Colour Ringing Register.

In Greenland is used green leg flags between the colour-rings on left leg, but sanderlings with another position of the flag are ringed in Europe or Africa.

You will receive a complete life history from the bird within a week from reporting. If possible please send a photo of the bird from Greenland.