Eurasian teal
In 2016 the peak count on the reserve was 15,980 in October. Other high counts of wildfowl that year included 221 whooper swan, 2,457 Northern pintail, 3,000 Eurasian teal, 1,230 Eurasian wigeon and 150 greater scaup. These numbers attract raptors such as peregrine falcon, common buzzard and hen harrier. Vagrant birds recorded on the reserve include common crane, long-billed dowitcher, red-breasted goose, snow goose, ring-necked duck and white-tailed plover.