1. Allouche L, Tamisier A (1984) Feeding convergence of Gadwall, Coot and other herbivorous waterfowl species wintering in the Camargue: a preliminary approach. Wildfowl 35:135–142
2. Amat JA (1984) Ecological segregation between red-crested Pochard Netta rufina and Pochard Aythya ferina in a fluctuating environment. Ardea 72:229–233
3. Ankney CD, Afton AD (1988) Bioenergetics of breeding Northern Shovelers: diet, nutrient reserves, clutch size, and incubation. Condor 90:459–472
4. Annani F, Alfarhan AH, Samraoui B (2012) An ecological survey of aquatic hemipteran of northeastern Algeria (Insecta, Hemiptera). Rev Ecol (Terre Vie) 67:423–435
5. Baldassare GA, Bolen EG (1994) Waterfowl ecology and management. Wiley, New York