Between 450-550,000 Anatidae, 250,000 Limicolae, 20,000 greater flamingos Phoenicopterus ruber, 3,000-12,000 lesser flamingos P. minor and 2,500 European spoonbills Platalea leucorodia, owe their winter survival to the quality of the environment of the Senegal river delta. 300 species have been recorded including garganey Anas querquedula, shoveler A. clypeata, pintail A. acuta, ruff Philomachus pugnax, and black-tailed godwit Limosa limosa.    From Wordnik.com.  [Djoudj National Bird Sanctuary, Senegal] Reference