Sue Flood / Hoopoe (Upupa epops) at nest with invertebrate prey. Hungary, May.

Grzegorz Lesniewski / Hoopoe (Upupa epops) with crest flattened. Wigierski National Park, Poland, June.

Grzegorz Lesniewski / Portrait of a Hoopoe (Upupa epops) with crest raised. Wigierski National Park, Poland, June.

Klaus Echle / Hoopoe (Upupa epops) bringing a large insect (possibly a Mole Cricket) to its nest hole in a fence. Black Forest, Germany, June.

Fabrice Cahez / Eurasian Hoopoe (Upupa epops) perched. Vosges, France, July.

Fabrice Cahez / Eurasian Hoopoe (Upupa epops) perching with grub prey. Vosges, France, June.

Markus Varesvuo / Pair of Hoopoes (Upupa epops) copulating, Hungary June

Dietmar Nill / Hoopoe (Upupa epops) bringing insect prey to nest hole in tree, Bulgaria

Wild Wonders of Europe / Geslin / Hoopoe (Upupa epops) portrait, Moldova, June 2009

Roger Powell / Hoopoe (Upupa epops) on branch with food in beak, Castelo Branco, Portugal

Roger Powell / Hoopoe (Upupa epops) in flight, Castelo Branco, Portugal

Roger Powell / Hoopoe (Upupa epops) in flight, bringing food to the nest, Castelo Branco, Portugal

Roger Powell / Male Hoopoe (Upupa epops) at nest hole with food for the incubating female, Castelo Branco, Portugal

Roger Powell / Hoopoe (Upupa epops) in flight carrying food to the nest, Castelo Branco, Portugal

Juan Manuel Borrero / Hoopoe {Upupa epops} feeding chicks at nest, Catalonia, Spain

Jose B. Ruiz / Hoopoe {Upupa epops} preening, Alicante, Spain

Hanne & Jens Eriksen / Hoopoe {Upupa epops} on ground, sunning, Sohar, Oman

Wild Wonders of Europe / Widstrand / Hoopoe (Upupa epops) walking across rock, La Serena, Extremadura, Spain, April 2009

Wild Wonders of Europe / Widstrand / Hoopoe (Upupa epops) male feeding female in courtship display, La Serena, Extremadura, Spain, April 2009

Wild Wonders of Europe / Widstrand / Hoopoe (Upupa epops) on rock, La Serena, Extremadura, Spain, April 2009

Wild Wonders of Europe / Widstrand / Hoopoe (Upupa epops) portrait, La Serena, Extremadura, Spain, March 2009

Wild Wonders of Europe / Varesvuo / Hoopoe (Upupa epops) in flight, Pusztaszer, Hungary, May 2008

Wild Wonders of Europe / Varesvuo / Hoopoe (Upupa epops) in flight, Pusztaszer, Hungary, May 2008

Kerstin Hinze / Hoopoe (Upupa epops) adult flying carrying insect prey to nest, Bulgaria

Kerstin Hinze / Hoopoe (Upupa epops) perched with a mole cricket as prey for its chicks, Bulgaria

Kerstin Hinze / Hoopoe (Upupa epops) adult perched with mole cricket prey for its chicks, Bulgaria

Roger Powell / Hoopoe {Upupa epops} mating pair, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} male displaying on roof, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} female eating caterpillar offered to her by the male, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} male enticing female by offering food, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} male enticing female to possible nest-site by offering food, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} male enticing female to possible nest-site by offering food, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} female eating caterpillar offered to her by the male at nest entrance, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} sunning on roof, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} pair mating on roof tiles, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} male feeding female in courtship display, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} stretching wings at entrance to nest site in wall, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} male in flight with crest raised in aggressive display, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} male (on right) displays to female, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} flying from wall, Castelo Branco, Portugal

Roger Powell / Hoopoe {Upupa epops} pair mating on roof tiles, Castelo Branco, Portugal

Hanne & Jens Eriksen / Hoopoe {Upupa epops} backlit, on rock, United Arab Emirates

Artur Tabor / Two juvenile Hoopoes {Upupa epops} perching on branch, Poland.

Bernard Castelein / Hoopoe {Upupa epops} Keoladeo Ghana / Bharatpur NP, Rajasthan, India

Bengt Lundberg / Hoopoe at nest hole (Upupa epops) Spain

Bengt Lundberg / Hoopoe at nest hole with food (Upupa epops) Spain

Bernard Castelein / Hoopoe displaying {Upupa epops} India

Artur Tabor / Two Hoopoe fledgling chicks {Upupa epops} Podlasie, Poland

Artur Tabor / Hoopoe {Upupa epops} at nest hole with insect prey, Podlasie, Poland

Roger Powell / Hoopoe brings spider prey to nest {Upupa epops} Portugal

Jose B. Ruiz / Hoopoe with insect prey {Upupa epops} Spain

Jose B. Ruiz / Hoopoe with insect grub in beak {Upupa epops} Spain

Dietmar Nill / Hoopoe display {Upupa epops} Spain

Jose B. Ruiz / Hoopoe with insect prey in beak, portrait {Upupa epops} Spain

Jose B. Ruiz / Hoopoe with food in beak {Upupa epops} Spain

Dietmar Nill / Hoopoe flies to nest with prey, Germany

Jose B. Ruiz / Hoopoe flying to nest with food, Spain.

Jose B. Ruiz / Hoopoe {Upupa epops} flying to nest with food Alicante, Spain.

John Cancalosi / Hoopoe on ground {Upapa epops} South Africa

Laurent Geslin / Skull and beak of Hoopoe {Upupa epops}

Wild Wonders of Europe / Varesvuo / Hoopoe (Upupa epops) portrait, Hortobagy NP, Hungary, May 2008

Colin Seddon / Hoopoe {Upupa epops} on lichen-covered rocks in Suffolk, UK

Jose B. Ruiz / Hoopoe flying to nest with food {Upupa epops} Spain

Joel Sartore / Photo Ark / Common hoopoe (Upupa epops epops) portrait, Jurong Bird Park, Singapore. Captive.

Mateusz Piesiak / Eurasian hoopoe (Upupa epops) hovering at entrance to nesthole, feeding chick, Wroclaw, Lower Silesia, Poland. June.

Dave Watts / Hoopoe (Upupa epops) taking flight from branch with food for chicks in beak, southern France. May.

Dave Watts / Hoopoe (Upupa epops) taking flight from branch with food for chicks in beak, southern France. May.

Staffan Widstrand / Eurasian roller (Coracias garrulus) landing at nest hole of a Hoopoe (Upupa epops) prior to snatching a chick, Kiskunsagi National Park, Pusztaszer, Hungary. May.

Staffan Widstrand / Eurasian roller (Coracias garrulus) male, perched on branch feeding on Hoopoe (Upupa epops) chick stolen from nest, Kiskunsagi National Park, Pusztaszer, Hungary. May.

Staffan Widstrand / Eurasian roller (Coracias garrulus) female, chasing away Eurasian hoopoe (Upupa epops) from its nest hole, before taking over the nest , Kiskunsagi National Park, Pusztaszer, Hungary. May.

Staffan Widstrand / Eurasian hoopoe (Upupa epops) perched at entrance to nest hole with European roller (Coracias garrulus) pair preparing to attack nest, feed on chicks and take over nest, Kiskunsagi National Park, Pusz...

Staffan Widstrand / Eurasian hoopoe (Upupa epops) landing at nest hole in tree trunk, Kiskunsagi National Park, Pusztaszer, Hungary. May.

Staffan Widstrand / Eurasian roller (Coracias garrulus) male, in flight with Hoopoe (Upupa epops) chick prey in beak, stolen from nest, Kiskunsagi National Park, Pusztaszer, Hungary. May.

Staffan Widstrand / Eurasian roller (Coracias garrulus) male, stealing Hoopoe (Upupa epops) chick prey from nest hole, Kiskunsagi National Park, Pusztaszer, Hungary. May.

Staffan Widstrand / Eurasian roller (Coracias garrulus) male, perched on branch with Hoopoe (Upupa epops) chick prey in beak, stolen from nest, Kiskunsagi National Park, Pusztaszer, Hungary. May.

Staffan Widstrand / Eurasian hoopoe (Upupa epops) in flight carrying insect prey in beak, Kiskunsagi National Park, Pusztaszer, Hungary. May.

Christophe Courteau / European hoopoe (Upupa epops) silhouetted at sunset with caterpillar in beak, Vendee, France.

Hermann Brehm / Eurasian hoopoe (Upupa epops) parent flying to nest hole with food in beak for chick, Hungary. July.

Andres M. Dominguez / Hoopoe (Upupa epops) catching a grasshopper in its beak, Sierra de Grazalema Natural Park, Andalusia, Southern Spain. July.

Christophe Courteau / European Hoopoe (Upupa epops) silhouetted at sunset, with prey in beak. Vendee, France, May.

Dave Watts / Hoopoe (Upupa epops) male feeding chick at nest hole before exiting the frame, July.

Dave Watts / Hoopoe (Upupa epops) male arrives with food then exits frame before female lands on perch and exits, July.

Dave Watts / Hoopoe (Upupa epops) male arrives with food on perch then exits frame, July.

Dave Watts / Hoopoe (Upupa epops) female preening before exiting frame, June.

Dave Watts / Hoopoe (Upupa epops) female perched then male arrives and offers food to female who refuses, June.

Dave Watts / Hoopoe (Upupa epops) female preening perched, June.

Dave Watts / Hoopoe (Upupa epops) male calling perched and female enters frame, June.

Dave Watts / Hoopoe (Upupa epops) male and female perched calling to each other before exiting frame, June.

Dave Watts / Hoopoe (Upupa epops) male and female displaying courtship behaviour before exiting the frame, June.

Dave Watts / Hoopoe (Upupa epops) male perched and calling, May.

Staffan Widstrand / Eurasian hoopoe (Upupa epops) in flight with a grub in its beak, Pusztaszer reserve, Hungary. May.

Hermann Brehm / Hoopoe (Upupa epops) taking food to chick in tree hollow nest then flying away with it, Tiszaalpar, Hungary, July .

Hermann Brehm / Hoopoe (Upupa epops) feeding chick in tree hollow nest, Tiszaalpar, Hungary, July.

Staffan Widstrand / Eurasian Hoopoe (Upupa epops) in flight, prey in beak. Pusztaszer reserve, Hungary.

Dave Watts / Hoopoe (Upupa epops) male just after accepting food from female beside nest hole. Herault, France

Dave Watts / Hoopoe (Upupa epops) female offering food to male beside nest hole. Herault, France