Birdlife includes coots, grebes, moorhen, water rail and heron. Also seen are the coot, moorhen and little grebe (or dabchick). Regular visitors include the heron, in addition to its permanent residents, the coot and moorhen. The dusky moorhen may nest alongside the purple swamphen. Common names include dusky moorhen, black gallinule, black moorhen and waterhen. It has been known to take large waterbirds such as the common moorhen. The dusky moorhen is a medium size bird, slightly smaller than the purple swamphen. The dusky moorhen feeds both on land and in water. The common moorhen lives around well-vegetated marshes, ponds, canals and other wetlands. This species is parasitised in the nest by the moorhen flea, "Dasypsyllus gallinulae". This species is parasitised by the moorhen flea, "Dasypsyllus gallinulae" and the acanthocephalan "Apororhynchus silesiacus". This species is parasitized by the moorhen flea, "Dasypsyllus gallinulae". They are close relatives of the moorhen. They may sometimes feed in deeper water in the manner of a moorhen. Sun was forced to escape on HMS Moorhen and delay his Northern Expedition.