Rolf Nussbaumer / Bluethroat, male singing {Luscinia svecica} Switzerland

Dietmar Nill / Bluethroat {Luscinia svecica} and Rhododendron flower, Alps, Austria

Dietmar Nill / Bluethroat perched {Luscinia svecica} Alps, Austria

Mike Wilkes / Bluethroat singing, summer, Sweden

Asgeir Helgestad / Bluethroat {Luscinia svecica} Norway

Tom Vezo / Male Bluethroat perched. {Luscinia svecica} Nome, Alaska, USA. Summer

Glenn Bartley/ BIA / Bluethroat (Luscinia svecica) male calling, Alaska

Duncan Usher / Bluethroat (Luscinia svecica) male singing and displaying, Texel, Holland

Tom Vezo / Bluethroat (Luscinia svecica) perching, Nome, Alaska

Mike Read / Bluethroat male in birch tree {Erithacus svecicus} Nesseby Norway

Mike Read / Bluethroat male displaying in birch tree {Erithacus svecicus} Nesseby Norway

Konrad Wothe / Bluethroat (Luscinia svecica cyanecula) male singing and defecating whilst perched on top of tree, Upper Bavaria, Germany.

Konrad Wothe / Bluethroat (Luscinia svecica cyanecula) male singing whilst perched in tree, Upper Bavaria, Germany.

Mateusz Piesiak / Bluethroat (Luscinia svecica) male in breeding plumage, perched on reed, singing, Wroclaw, Lower Silesia, Poland. April.

Hermann Brehm / Bluethroat (Luscinia svecica cyanecula) male, perched on snow-covered branch, Germany. April.

Hermann Brehm / Bluethroat (Luscinia svecica cyanecula) male, walking along branch, Germany. March.

Hermann Brehm / Bluethroat (Luscinia svecica cyanecula) male, perched on tree stump singing, Germany. March.

Hermann Brehm / Bluethroat (Luscinia svecica cyanecula) male, perched on snow-covered reed, Germany. April.

Hermann Brehm / Bluethroat (Luscinia svecica cyanecula) male, singing as a courtship display, Germany.

Hermann Brehm / Bluethroat (Luscinia svecica cyanecula) male, looking up at snowflakes whilst perching on a snowy branch, Germany.

Johannes Melchers/ BIA / Bluethroat (Luscinia svecica) male calling, Armenia

Johannes Melchers/ BIA / Bluethroat (Luscinia svecica) male calling, Armenia

Juan Carlos Munoz / Bluethroat (Luscinia svecica) perched on a rock in the mountains, Riano, Castilla y Leon, Spain. July.

Juan Carlos Munoz / Bluethroat (Luscinia svecica) vocalising perched on a lichen covered rock in the mountains, Castilla y Leon, Spain. July.

Juan Carlos Munoz / Bluethroat (Luscinia svecica) portrait, Castilla y Leon, Spain. July.

Hermann Brehm / Male Bluethroat (Luscinia svecica cyanecula) standing on a branch, calling, Germany. April.

Loic Poidevin / Male Bluethroat (Luscinia svecica) perched on rock, insect in mouth. Spain. February.

Loic Poidevin / Bluethroat (Luscinia svecica) male singing on post, Aiguillon Bay Nature Reserve, Vendee, France, Europe.

Hermann Brehm / Male Bluethroat (Luscinia svecica cyanecula) sitting and singing, Bavaria, Germany, April.

Hermann Brehm / Male Bluethroat (Luscinia svecica cyanecula) preening in the sun, Bavaria, Germany, April.

Loic Poidevin / Bluethroat (Luscinia svecica) male on pole, with insect, Vendeen Marsh, France, May

Markus Varesvuo / Bluethroat (Luscinia svecica) male. Uto, Finland. May.

Markus Varesvuo / Bluethroat (Luscinia svecica) male. Uto, Finland. May.

Erlend Haarberg / Bluethroat (Luscinia svecica) male singing. Vauldalen, Norway. May.

David Pattyn / Bluethroat (Luscinia svecica) singing Malpie Nature Reserve, Valkenswaard The Netherlands, May

Jussi Murtosaari / Bluethroat (Luscinia svecica) male singing, Finland, June.