The near-threatened papyrus gonolek is present as is the vulnerable papyrus yellow warbler. The American yellow warbler is found in many areas as is the green heron. The American yellow warbler is sometimes colloquially called the "summer yellowbird". The African yellow warbler forages low in the vegetation, either singly or in pairs. The yellow warbler starts breeding in May/June, while the mangrove warbler breeds all year round. The yellow warbler ("Setophaga petechia", formerly "Dendroica petechia") is a New World warbler species.