Tui De Roy / White-cheeked pintails (Anas bahamensis) on water, male in foreground with red beak. Galapagos Islands, Ecuador, June.

Andy Sands / Spotted flycatcher (Muscicapa striata) perched on tree stump, Upper Teesdale, Co. Durham, England, UK, June

Andy Sands / Spotted flycatcher (Muscicapa striata) perched on open fronted nest box, Upper Teesdale, Co. Durham, England, UK, June

Tim Laman / African Dusky Flycatcher (Muscicapa adusta) Bioko Island, Equatorial Guinea.

Wild Wonders of Europe / Varesvuo / Spotted Flycatcher (Muscicapa striata) perched, Pusztaszer, Hungary, May 2008

Wild Wonders of Europe / Varesvuo / Spotted Flycatcher (Muscicapa striata) Pusztaszer, Hungary, May 2008

Wild Wonders of Europe / Varesvuo / Spotted Flycatcher (Muscicapa striata) Pusztaszer, Hungary, May 2008

Dave Bevan / Spotted flycatcher (Muscicapa striata) on nest amongst Ivy, UK

Dave Bevan / Spotted flycatcher (Muscicapa striata) pair at nest amongst Ivy, UK

Dave Bevan / Spotted flycatcher (Muscicapa striata) at nest with chicks amongst Ivy, UK

Dave Bevan / Spotted flycatcher (Muscicapa striata) at nest, UK

Juan Carlos Munoz / Spotted flycatcher (Muscicapa striata) perched, Finland

Juan Carlos Munoz / Spotted flycatcher (Muscicapa striata) nesting in log pile, Finland

Juan Carlos Munoz / Spotted flycatcher (Muscicapa striata) nesting in large log pile, Finland

Juan Carlos Munoz / Spotted flycatcher (Muscicapa striata) perched, Finland

Juan Carlos Munoz / Spotted flycatcher (Muscicapa striata) perched, Finland

Juan Carlos Munoz / Spotted flycatcher (Muscicapa striata) nesting in log pile, Finland

Juan Carlos Munoz / Spotted flycatcher (Muscicapa striata) nesting in log pile, Finland

Jose B. Ruiz / Spotted flycatcher {Muscicapa striata} perching in bird bath, Plá de Xirau, Alicante, Spain

Jose B. Ruiz / Spotted flycather {Muscicapa striata} drinking at bird bath, Plá de Xirau, Alicante, Spain

David Kjaer / Spotted Flycatcher (Muscicapa striata) with fly in bill, on post with blue Alkanet flowers, Somerset, England

David Kjaer / Spotted Flycatcher (Muscicapa striata) on post with blue Alkanet flowers, Somerset, England

David Kjaer / Spotted Flycatcher (Muscicapa striata) on post, Somerset, England

David Kjaer / Spotted Flycatcher (Muscicapa striata) on post with blue Alkanet flowers, Somerset, England

David Kjaer / Spotted Flycatcher (Muscicapa striata) on post, Somerset, England

David Kjaer / Spotted Flycatcher (Muscicapa striata) with insects in bill, on post with blue Alkanet flowers, Somerset, England

David Kjaer / Spotted Flycatcher (Muscicapa striata) with spider in biill, on post with blue Alkanet flowers, Somerset, England

David Kjaer / Spotted flycatcher {Muscicapa striata} with insect, Somerset, England

Nature Production / Asian Brown Flycatcher {Muscicapa daurica} adult with chick in nest, Japan

Hanne & Jens Eriksen / Spotted flycatcher bathing (Muscicapa striata) Oman

Chris Gomersall / Spotted flycatcher (Muscicapa striata) on garden gate. Bedfordshire UK. July 2006

Chris Gomersall / Spotted flycatcher (Muscicapa striata) on garden gate. Bedfordshire UK. July 2006

Chris Gomersall / Spotted flycatcher (Muscicapa striata) perching on garden trellis with Honeysuckle. Bedfordshire UK. July 2006

Chris Gomersall / Spotted flycatcher (Muscicapa striata) perching on garden trellis, Bedfordshire UK. July 2006

Chris Gomersall / Spotted flycatcher (Muscicapa striata) perching on dummy perch trap used in RSPB research project. Bedfordshire, UK. July 2006

Chris Gomersall / Spotted flycatcher (Muscicapa striata) perching on garden trellis with invertebrate prey. Bedfordshire UK. July 2006

Chris Gomersall / Adult Spotted flycatcher (Muscicapa striata) perching on garden trellis, Bedfordshire UK. July 2006

Chris Gomersall / Spotted flycatcher (Muscicapa striata) perched in birch tree. Bedfordshire, UK. July 2006

Chris Gomersall / Spotted flycatcher (Muscicapa striata) on garden trellis. Bedfordshire. July 2006

Chris Gomersall / Spotted flycatcher (Muscicapa striata) perched in birch tree. Bedfordshire, UK. July 2006

Paul Hobson / Spotted flycatcher at nest (Muscicapa striata) Derbyshire, UK

Dave Watts / Spotted Flycatcher {Muscicapa striata}, France

Dave Watts / Spotted Flycatcher {Muscicapa striata}, France

Dave Watts / Spotted Flycatcher {Muscicapa striata} chicks in nestbox, France

David Kjaer / Spotted flycatcher with butterfly prey (Muscicapa striata) Wiltshire, UK

Steve Knell / Spotted flycatcher {Muscicapa striata} UK

Steve Knell / Spotted flycatcher {Muscicapa striata} UK

Jose B. Ruiz / Spotted Flycatcher {Phoenicurus ochruros} female, Spain

David Kjaer / Spotted Flycatcher (Muscicapa striata) and flowering Runnerbean plant, Wiltshire, UK

Yuri Shibnev / Brown flycatcher {Muscicapa latirostris} eggs in nest, Ussuriland, Primorsky Krai, Far East Russia

WILLIAM OSBORN / Man securing nest Box for Spotted Flycatcher to tree trunk 2-3 metres above ground, UK

Andy Sands / Spotted flycatcher {Muscicapa striata} perching on dead branch looking for insects, West Sussex, England.

Paul Hobson / Adult Spotted flycatcher {Muscicapa striata} perched on spade handle, Peak District, UK.

Paul Hobson / Adult spotted flycatcher {Muscicapa striata} with insect prey, perched on rusty wire, Peak District, UK.

Paul Hobson / Adult spotted flycatcher {Muscicapa striata} perched on fence post with rusty wire, Peak District, UK.

Paul Hobson / Adult spotted flycatcher {Muscicapa striata} perched on branch, Peak District, UK.

Bengt Lundberg / Spotted flycatcher at nest in boot. Sweden

Jose B. Ruiz / Spotted flycatcher {Muscicapa striata} female on Gorse, Spain.

Kim Taylor / Spotted flycatcher {Muscicapa striata} adult feeding chicks, UK.

Kim Taylor / Spotted Flycatcher (Muscicapa striata) catching Tortoiseshell butterfly in flight

Kim Taylor / Digital composite. Spotted flycatcher {Muscicapa striata} pair feeding chicks, UK.

Kim Taylor / Spotted Flycatcher (Muscicapa striata) with Horse Fly (Tabanus distinguendus)

Kim Taylor / Spotted Flycatcher (Muscicapa striata) with Buff Ermine Moth prey.

Kim Taylor / Spotted Flycatcher (Muscicapa striata) with Red-necked Footman Moth, UK

Kim Taylor / Spotted Flycatcher (Muscicapa striata) with Grey Flesh Fly prey, UK.

Kim Taylor / Spotted Flycatcher (Muscicapa striata) with beetle prey, UK.

Flip de Nooyer / Spotted Flycatcher (Muscicapa striata) on perch, Europe

Bengt Lundberg / Spotted flycatcher beside old boot, Sweden

Mike Wilkes / Spotted flycatcher bathing, Spain

Mike Wilkes / Spotted flycatcher (Muscicapa striata), bathing, June. Spain, Europe

Yuri Shibnev / Brown flycatcher female (Muscicapa latirostris) on nest. Ussuriland, Primorskiy, Russia

Mike Wilkes / Spotted flycatcher at nest in garage wall (Muscicapa striata) UK Worcestershire

David Kjaer / Spotted flycatcher in Yew tree (Muscicapa striata) England, UK

Eric Sohn Joo Tan/ BIA / Asian Brown Flycatcher (Muscicapa dauurica), Sabah, Borneo, Malaysia

Walter Soestbergen/ BIA / Spotted Flycatcher (Muscicapa striata), Western Cape, South Africa

Peter Kes/ BIA / Ashy Flycatcher (Muscicapa caerulescens), South Africa

Willi Rolfes/ BIA / Spotted Flycatcher (Muscicapa striata) with damselfly prey, Lower Saxony, Germany

Hanne & Jens Eriksen / Spotted flycatcher {Muscicapa striata} Dauka, Oman

Chris Packham / Spotted flycatcher male at nest {Muscicapa Striata} England, UK

Joel Sartore / Photo Ark / Canada warbler (Cardellina canadensis) portrait, from the wild. Hudson, Wisconsin, USA. May.

Joel Sartore / Photo Ark / Wilson's warbler (Cardellina pusilla pusilla) portrait, Wildlife Rehab Center of Minnesota, USA. Captive.

Marie Read / Hooded warbler (Wilsonia citrina) male, perched on branch singing in spring, Ohio, USA. April.

Robin Chittenden / Spotted flycatcher (Muscicapa striata) perched on Holly (Ilex aquifolium) bush, Norfolk, England, UK. May.

Robin Chittenden / Spotted flycatcher (Muscicapa striata) perched on Holly (Ilex aquifolium) bush, Norfolk, England, UK. May.

Joel Sartore / Photo Ark / Canada warbler (Cardellina canadensis) head portrait, at a bird banding and release site near Hudson, Wisconsin, USA.

Joel Sartore / Photo Ark / Canada warbler (Cardellina canadensis) head portrait, at a bird banding and release site near Hudson, Wisconsin, USA.

Jose Luis GOMEZ de FRANCISCO / Spotted flycatcher (Muscicapa striata) perching on a branch. La Rioja, Spain, September

Jose Luis GOMEZ de FRANCISCO / Spotted flycatcher at nest {Muscicapa striata} Spain

Nick Upton / Spotted flycatcher (Muscicapa striata) male offering insect prey to female during courtship display, Forest of Dean, Gloucestershire, UK, May.

Nick Upton / Spotted flycatcher (Muscicapa striata) perched on a dead tree, Forest of Dean, Gloucestershire, UK, May.

Richard Flack / Cape grassbird (Sphenoeacus afer) perched in bush calling at duskt, Ballot's Bay Private Nature Reserve, Western Cape, South Africa.

Richard Flack / Cape grassbird (Sphenoeacus afer) perched in bush, Ballot's Bay Private Nature Reserve, Western Cape, South Africa.

Richard Flack / Cape grassbird (Sphenoeacus afer) perched in bush, Ballot's Bay Private Nature Reserve, Western Cape, South Africa.

Richard Flack / Cape grassbird (Sphenoeacus afer) perched in bush, Ballot's Bay Private Nature Reserve, Western Cape, South Africa.

Richard Flack / Cape grassbird (Sphenoeacus afer) perched in bush, Ballot's Bay Private Nature Reserve, Western Cape, South Africa.

Richard Flack / Cape grassbird (Sphenoeacus afer) perched in bush calling, Ballot's Bay Private Nature Reserve, Western Cape, South Africa.

Neil Aldridge / Tracking shot of Spotted hyena (Crocuta crocuta) walking through savannah grassland, Kruger National Park, Great Limpopo Transfrontier Park, South Africa.