Described as "Rabbits in the sky", the introduced birds are polluting waterways, and have been blamed for scaring off other native birds in the areas they inhabit.
Changes in the way the way the geese population is managed is allowing it to boom - with numbers at around 60 thousand, two thirds of which are in the South Island. Each bird defecates more than a kilogram of faeces a day!
Ben Wilson from Fish and Game talks to Jesse about the problematic population.
Photo: 123RF
