David Kjaer / Female Pied Flycatcher (Ficedula hypoleuca) with insects in beak at nest hole in tree, Wales UK

ANDREW ANDERSON / Pied flycatcher female (Ficedula hypoleuca) removes dead chick from nest box, UK

ANDREW ANDERSON / Pied flycatcher bigamised female (Ficedula hypoleuca) feeding young chick in nest box, UK

Dietmar Nill / Female pied flycatcher feeding young (Ficedula hypoleuca) Sweden

Andy Sands / Pied Flycatcher {Ficedula hypoleuca} male profile, Wales, UK.

Dietmar Nill / Female pied flycatcher {Ficedula hypoleuca} feeding chick, Sweden.

Dietmar Nill / Pied flycatcher (Ficedula hypoleuca) fledgeling, Sweden

Paul Hobson / Pied flycatcher {Ficedula hypoleuca} male, England

Paul Hobson / Pied flycatcher {Ficedula hypoleuca} female, England

Paul Hobson / Pied flycatcher {Ficedula hypoleuca} female, England

Paul Hobson / Pied flycatcher {Ficedula hypoleuca} juvenile, England

DAVID TIPLING / Pied flycatcher {Ficedula hypoleuca} at nest box, Finland.

ANDREW ANDERSON / Pied flycatcher (Ficedula hypoleuca) female with caterpillar prey. UK, Europe

Flip de Nooyer / European Pied Flycatcher (Ficedula hypoleuca) on cracked tree trunk, Europe

Bengt Lundberg / Pied flycatcher at nest made in bicycle satchel {Ficedula hypoleuca} Sweden

Mike Wilkes / Male Pied flycatcher with food at nesthole in Oak tree, Wales.

Mike Wilkes / Pied flycatcher nest with eggs {Ficedula hypoleuca} Tregaron, Wales, UK

Mike Read / Pied flycatcher male {Ficedula hypoleuca} Wales UK

Ashley Cooper / Pied flycatcher (Ficedula hypoleuca) male, perched at entrance to nestbox, Rydl, near Ambleside, Lake District, Cumbria, UK. April.

Ashley Cooper / Pied flycatcher (Ficedula hypoleuca) female, perched at entrance to nestbox, Rydl, near Ambleside, Lake District, Cumbria, UK. April.

Jose Luis GOMEZ de FRANCISCO / Pied flycatcher (Ficedula hypoleuca) perching on a branch. La Rioja, Spain, September

Jose Luis GOMEZ de FRANCISCO / Pied flycatcher (Ficedula hypoleuca) perching on a branch. Ciudad Real, Spain, September

Robin Chittenden / Pied flycatcher (Ficedula hypoleuca) perched in bush spreading its wings, Algarve, Portugal. October.

Robin Chittenden / Pied flycatcher (Ficedula hypoleuca) perched on branch, Algarve, Portugal. September.

David Tipling / European pied flycatcher (Ficedula hypoleuca), male perched on a branch, Weardale, Northumberland, UK. May.

David Tipling / European pied flycatcher (Ficedula hypoleuca), male, perched on twig, Weardale, Northumberland, UK. May.

David Tipling / European pied flycatcher (Ficedula hypoleuca), male, perched on side of nest box, Weardale, Northumberland, UK. May.

Danny Green / Pied flycatcher (Decubitus tyrannulet), male, perched on a tree branch, Dumfries and Galloway, Scotland, UK. May.

Danny Green / Pied flycatcher (Ficedula hypoleuca), male, perched on a post. Dumfries and Galloway, Scotland, UK. May.

Danny Green / Pied flycatcher (Ficedula hypoleuca),male, perched on a tree branch, Dumfries and Galloway, Scotland, UK. May.

Danny Green / Pied flycatcher (Ficedula hypoleuca), male, perched on mossy tree branch, Dumfries and Galloway, Scotland, UK. May.

Danny Green / Pied flycatcher (Ficedula hypoleuca), male, perched on wooden post, Dumfries and Galloway, Scotland, UK. May.

Danny Green / Pied flycatcher (Ficedula hypoleuca), male, perched on tree branch, Dumfries and Galloway, Scotland, UK. May.

Danny Green / Pied flycatcher (Ficedula hypoleuca),male, perched on a tree branch, Dumfries and Galloway, Scotland, UK. May.

Danny Green / Pied flycatcher (Ficedula hypoleuca), male, perched on a tree branch, Dumfries and Galloway, Scotland, UK. May.

Danny Green / Pied flycatcher (Ficedula hypoleuca),female, perched on a wooden post, Dumfries and Galloway, Scotland, UK. May.

Danny Green / Pied flycatcher (Ficedula hypoleuca),female, perched on a wooden post, Dumfries and Galloway, Scotland, UK. May.

Danny Green / Meadow pipit (Anthus pratensis) perched on a wooden fence post. Dumfries and Galloway, Scotland, UK. May.

Erlend Haarberg / Pied Flycatcher (Ficedula hypoleuca) male calling, Trondelag, Norway, May.

Andy Sands / Pied Flycatcher (Ficedula hypoleuca) Male on mossy stump with food, Wales, UK, June