Black Naped Tern

Die Swartneksterretjie (Sterna sumatrana) is 'n voël en swerwer na die ooskus van Suider-Afrika uit tropiese Indiese Oseaan-kolonies. Hulle slaap soms by riviermondings saam met ander sterretjies. Die voël is 30 cm lank, 90 g groot met 'n vlerkspan van 60 cm. In Engels staan die voël bekend as die Black-naped Tern.

Length: 34-37 cm. Plumage: above very pale grey; below white; tail grey with white outer tail feathers; head white with black from nape around sides of head through eyes; outer primary black. Immature brownish with darker grey mottling on back, black patch on hindneck. Bare parts: iris brown; bill black with yellow tip; feet and legs black with pink soles. Habitat: seacoasts, islands and offshore. Breeds in Indian ocean from Amirantes and Aldabra to Chagos Islands, non-breeding visitor to Mozambique and northern natal. <389><391><393>