Four barn swallow (Hirundo rustica) chicks chirping, Custer State Park, South Dakota, United States of America, North America

Four barn swallow (Hirundo rustica) chicks chirp as parent approaches nest with food, Custer State Park, South Dakota, United States of America, North America

Immature barn swallow (Hirundo rustica), Great Bear Rainforest, British Columbia Canada, North America

Immature barn swallow (Hirundo rustica), Great Bear Rainforest, British Columbia Canada, North America

Barn (European) swallow (Hirundo rustica) on wire, Overberg, Western Cape, South Africa, Africa

Barn swallows (Hirundo rustica), flying over two plains zebras (Equus quagga), Tsavo, Kenya, East Africa, Africa

Swallow (Hirundo rustica) feeding young. Loch Awe, Argyll, Scotland, UK

Barn swallow chicks in the nest, Hirundo rustica, Germany

Barn swallow (Hirundo rustica) drinking in flight, Middle Elbe Biosphere Reserve, Germany, Europe

Barn swallow (Hirundo rustica) drinking in flight, water droplet, Middle Elbe Biosphere Reserve, Germany, Europe

Barn swallow (Hirundo rustica) in flight, Middle Elbe Biosphere Reserve, Germany, Europe

Barn swallow (Hirundo rustica), with nesting material, Guxhagen, Hesse, Germany, Europe

Barn swallow (Hirundo rustica), in flight, Guxhagen, Hesse, Germany, Europe

Barn swallow (Hirundo rustica) Young birds open their beaks, North Rhine-Westphalia, Germany, Europe

Barn swallow (Hirundo rustica) in flight with prey, Thuringia, Germany, Europe

Barn swallow (Hirundo rustica), at the nest, Emsland, Lower Saxony, Germany, Europe

Hirundo rustica, Barn Swallow

Barn Swallow flying and feeding her brood- Spain

Barn Swallow in flight, PNR Northern Vosges France

Barn Swallow flying through a window, Spain

Barn Swallow flying through a window, Spain