Moulting paradise shelducks mob up on the Taieri River in the Styx Basin. Photo / Ian Hadland, Otago Fish & Game
The largest single mob was 2200 at a Central Otago irrigation pond.
Maniototo and South Otago had the highest count this year, he said.
A 10-day junior shooters' paradise shelduck season would run from March 5-13 to help disperse mobs across the region and give young people an extra shooting opportunity.