 The site is notable for its breeding birds which include great crested grebe, little grebe, mallard, gadwall and Eurasian coot.Other species normally present include tufted duck and common pochard and among the local birdwatchers it has a reputation for producing locally rare birds such as goosander, smew, long-tailed duck, greater scaup and great northern diver.In 2010 it was reported that the invasive amphipod "Dikerogammarus villosus" had been found in the reservoir.