The Site comprises two shallow, brackish wetlands less than ten kilometres apart. Fivebough Swamp is a permanent but fluctuating wetland while Tuckerbil Swamp is seasonal. They were both originally ephemeral and regularly dried up, but their hydrology has been modified due to regular releases of treated effluent from the Leeton sewage treatment plant to Fivebough, and environmental water allocations to Tuckerbill. Both function as important waterbird habitat and refuge within an agricultural landscape, with over 80 and 60 waterbird species recorded at the respective wetlands. Notably, the Site hosts the vulnerable Australasian bittern (Botaurus poiciloptilus) and sharp-tailed sandpiper (Calidris acuminata). An adaptive grazing management regime is applied in the Site to control wetland weeds and promote native wetland vegetation. The Site has cultural and historical significance and provides an educational resource.