Caspian tern

Introduction: Caspian terns (Sterna caspia) are found mostly on the coast in bays and estuaries but also inland at large water bodies such as lakes and pans.

Distribution: Most Namibian coastal areas including Luderitz, Walvis Bay and Swakopmund, Skeleton Coast and the Kunene River estuary. Observed at Hardap Dam, Etosha National Park and the Caprivi.

Diet: Forages in clean, shallow water for fish, swallowed head first.

Description: Often confused with the smaller Royal tern.

Breeding: Both male and female make a nest of a shallow scrape in sand or gravel, pebbles or soil and lined with vegetation between December and March. Usually 2 eggs are laid, incubated for a period of around 22 days. Domestic dogs and Black-backed jackals are the main egg predators.

Size: 50cm.

Weight: 690g.

Wingspan: 140cm.