Spatule blanche
Lac de Guiers is designated an Important Bird Area by BirdLife International; the key species are lesser flamingo ("Phoeniconaias minor"), glossy ibis ("Plegadis falcinellus"), Eurasian spoonbill ("Platalea leucorodia"), African spoonbill ("Platalea alba"), white-winged tern ("Chlidonias leucopterus") and river prinia ("Prinia fluviatilis").