sentences:  These have Sudan–Guinea Savanna biome (A04) (with 30 of the 32 species of this biome), Sahel biome (A03) (with six of eight biome species) and with breeding colony of "Gyps rueppellii" in the Arli–W–Singou Park complex (accounting for more than 1% of the global population of the species).The number of resident bird species is reported by Birdlife International as 318, out of which 119 are migratory birds.Of the migratory birds, 81 belong to Palaearctic family and two species are of global conservation concern, namely "Falco naumanni" (Vulnerable) and "Gallinago media" (Near Threatened).