Lesser Crested Tern (Thalasseus bengalensis)

Bird flies along the shore at dawn, Kizingo, Lamu Island, Lamu, Kenya

Swift Tern (Thalasseus bergii) or Greater-crested Tern

First year bird, Sabaki Estuary, Kilifi, Kenya

Caspian Tern (Hydroprogne caspia)

Non-breeding bird, Sabaki River Estuary, Kilifi, Kenya

Saunders's Tern (Sternula saundersi)

Bird hovering over the estuary, Sabaki River, Malindi, Kilifi, Kenya

White-winged Tern (Childonias leucopterus)

Bird in non-breeding plumage flying over the hot springs, Lake Magadi, Kajiado, Kenya

Gull-billed Tern (Gelochelidon nilotica)

Bird flying over the Lamu Channel, Lamu, Kenya