, ▁de co ys , ▁and ▁bird ▁calls . ▁Add itional ▁re venue ▁is ▁raised ▁by ▁commission ing ▁artists ▁to ▁create ▁du ck ▁art work , ▁with ▁a ▁portion ▁going ▁to ▁the ▁artist ▁and ▁the ▁majority ▁share ▁of ▁re venue ▁going ▁to ▁D uck s ▁Un limited . ▁Eric ▁Th ors en ▁is ▁one ▁wild life ▁artists ▁who ▁have ▁contributed ▁their ▁art work ▁for ▁the ▁purpose ▁of ▁fund ra ising . ▁▁ 2 0 1 7 ▁Ann ual ▁Report ▁ ▁According ▁to ▁D uck s ▁Un limited ▁ 2 0 1 7 ▁Ann ual ▁Report , ▁ 2 0 1 7 ▁marked ▁the ▁sevent h ▁consecutive ▁year ▁that ▁the ▁budget ▁goals ▁were ▁sur pass ed , ▁with ▁total ▁reven ues ▁approaching ▁$ 2 2 4 ▁million . ▁Over ▁ 5 8 , 0 0 0 ▁D uck s ▁Un limited ▁volunte ers ▁organized ▁ 4 , 0 5 0 ▁events ▁which ▁attract ed ▁over ▁ 5 7 7 , 0 0 0 ▁at ten de es . ▁The ▁$ 8 6 ▁million ▁of ▁phil anth rop ic ▁re venue ▁generated ▁in ▁ 2 0 1 7 ▁sur pass ed ▁that ▁which ▁was ▁raised ▁in ▁ 2 0 1 6 ▁by ▁over ▁$ 1 . 8 ▁million ▁from ▁contributions ▁by ▁ 5 , 0 0 0 ▁don ors ▁and ▁ 7 0 0 , 0 0 0 ▁members . ▁ ▁Conserv ation ▁Trad itionally , ▁most ▁D uck s ▁Un limited ▁wet land ▁conservation ▁projects ▁were ▁conducted ▁on ▁water f ow l ▁bre eding