Occasionally, they may join mixed-species colonies including other heron species, cormorants, darters, ibises and gulls. The wetlands feature several osprey nests, spoonbill and darters. Most of the birds are Asian open bill, egrets, black ibis, cormorants, and darters. Numerous species inhabit the Creek including brown trout, rainbow trout, scuplins and darters. Darters and anhingas are cormorant-like water birds with long necks and long, straight beaks. Anhingas or darters are cormorant-like water birds with long necks and long, straight bills. There are surface swimmers, subsurface swimmers, needlefish, poppers, pencil poppers, and darters. For this reason many darters are extinct or endangered. However, small fish known as darters are also a part of this family. Mate selection by female darters is assumed to be common. She previously captained the AIS Canberra Darters in the Commonwealth Bank Trophy. Each river basin has for the most part it own sets of darters. The maximum possible lifespan of darters seems to be about sixteen years.