Rosl Roessner/ BIA / White-tailed Swallow (Hirundo smithii), Lake Baringo, Kenya

Hanne & Jens Eriksen / Wire tailed swallow (Hirundo smithii) on wire, India, January

Wim van den Heever / Wire-tailed swallow (Hirundo smithii) sitting on a log in the Chobe river, Botswana.

Suzi Eszterhas / Wire-tailed swallow (Hirundo smithi) on ground, Satpura National Park, India.

Lou Coetzer / Wired-tailed swallow (Hirundo smithii) landing on plume of reeds, Chobe River, Botswana, April.

E.J. Peiker / Scissor-tailed Flycatcher (Tyrannus forficatus), Texas

Brent Stephenson / Wire-tailed Swallow (Hirundo smithii) perched on a wooden railing. St Lucia Wetlands, Natal, South Africa, January.

Bernard Castelein / Wire-tailed Swallow (Hirundo smithii) perched on rope, Madhya Pradesh, India, March

Bernard Castelein / Wire tailed swallow (Hirundo smithii) perched on branch, Keoladeo Ghana NP, Bharatpur, Rajasthan, India

Mike Wilkes / Wire tailed swallow {Hirundo smithii} Kenya

Pete Oxford / Wire tailed swallow {Hirundo smithi} perching on branch, Keoladeo National Park, Bharatpur, Rajasthan, India.

Hanne & Jens Eriksen / Wire tailed swallow {Hirundo smithii} Kruger NP, S Africa

Yva Momatiuk & John Eastcott / Scissor-tailed Flycatcher (Tyrannus forficatus) juvenile perched on fence wire, southern Texas

Bernard Castelein / Wire-tailed swallow (Hirundo smithii) perched on tip of branch, singing, Allahein River, The Gambia.

Guy Edwardes / Wire-tailed swallow (Hirundo smithii) perched on Reed. Chobe National Park, Botswana.

Bernard Castelein / Wire-tailed swallow (Hirundo smithii), two perched on tree snag. Allahein River, Gambia.

Bernard Castelein / Wire-tailed swallow (Hirundo smithii) perched on treesnag. Allahein River, Gambia.