http://waarneming.nl/fotonew/5/212765.jpg (http://waarneming.nl/fotonew/5/212765.jpg)
Anser indicus x caerulescens
Can you give the details of this bird?
It's this one: http://waarneming.nl/wn_details.php?id=2783977 (http://waarneming.nl/wn_details.php?id=2783977)