Attributes / relations provided by
♦ 1"Diet of the Red Swamp Crayfish Procambarus clarkii in Natural Ecosystems of the Doñana National Park Temporary Fresh-Water Marsh (Spain)", P. J. Gutiérrez-Yurrita, G. Sancho, M. Á. Bravo, Á. Baltanás and C. Montes, Journal of Crustacean Biology
Vol. 18, No. 1 (Feb., 1998), pp. 120-127
♦ 2del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 3Feeding habits of the European pond terrapin Emys orbicularis in Camargue (Rhône delta, Southern France), Dario Ottonello, Sebastiano Salvidio, Elisabeth Rosecchi, Amphibia-Reptilia 26 (2005): 562-565
♦ 4Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 5Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005).
Host-Parasite Database of the Natural History Museum, London