Great Shearwater vs African Openbill
Ardenna gravis versus Anastomus lamelligerus
Play a quiz with Great Shearwater and African Openbill
Great Shearwater
African Openbill
In short
The Great Shearwater and African Openbill are easily distinguished by their habitat and plumage. The Great Shearwater is a seabird with a distinctive dark cap and brown belly-patch, while the African Openbill is a stork with a unique bill adapted for feeding on mollusks. These species do not overlap in range or habitat, making confusion unlikely in the field.
Identification tips
Look for the dark cap and brown belly-patch on the Great Shearwater, and note its oceanic habitat. The African Openbill is identified by its unique bill and freshwater wetland habitat.
Plumage
The Great Shearwater has a dark cap and brown belly-patch with a white underwing marked by variable brown markings. In contrast, the African Openbill lacks these features and is characterized by its dark plumage and a distinctive bill adapted for feeding.
Habitat
The Great Shearwater is found over open ocean, particularly in the Atlantic, while the African Openbill inhabits freshwater wetlands and is not found at sea.