The grey-headed gull (Chroicocephalus cirrocephalus), also known as the grey-hooded gull, has a distinctive pale grey hood during breeding season. The difference in names comes from the two subspecies, with the South American subspecies being colloquially known as the "grey-hooded gull" while the African subspecies is the "grey-headed gull". Often seen in large flocks, especially when scavenging at harbours or refuse dumps, it is found in coastal and inland wetlands – freshwater lakes, rivers, marshes, and estuaries – across two separate continents: sub-Saharan Africa and eastern South America.
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