Eric Medard / Female kestrel (Falco tunniculus) taking lizard prey gift from male, Mayenne, France

Staffan Widstrand / Wild Wonders of China / Saker falcon (Falco cherrug milvipes) in flight, Keke Xili, Changtang, Tibetan Plateau, Qinghai, China

Christophe Courteau / Male Common kestrel (Falco tinnunculus) feeding juvenile, France, May.

Espen Bergersen / Gyrfalcon (Falco rusticolus) flying with guillemot prey. Hornoya bird cliff. Finnmark, Norway. March

Dietmar Nill / Slow motion clip of a male Kestrel (Falco tinnunculus) hovering, Germany, May.

Bence Mate / Barn swallow (Hirundo rustica) mobbing Euasian Kestrel (Falco tinnunculus) Pusztaszer, Hungary, June.

Bertie Gregory / 2020VISION / Juvenile male Peregrine falcon (Falco peregrinus) in flight chasing his parent who has Feral pigeon (Columba livia) kill in claws, Bristol, England, UK, June.

Hanne & Jens Eriksen / Kestrel (Falco tinnunculus) male perched in Date Palm, Oman, March

Andrew Parkinson / 2020VISION / Kestrel (Falco tinnunculus) adult perched on a fence post in front of urban landscape, Elmley Marshes RSPB Reserve, Kent, UK, February 2012

Fabrice Cahez / Kestrel (Falco tinnunculus) perched on a post. Vosges, France, February.

Fabrice Cahez / Northern / Hen Harrier (Circus cyaneus) and Kestrel (Falco tinnunculus) below, fighting in flight. Vosges, France, February.

Dietmar Nill / Common Kestrel (Falco tinnunculus) female in flight over snow. Germany, January.

Mark Carwardine / Mauritius kestrel (Falco punctatus) threatened / endangered species, once the rarest bird in the world, Mauritian Wildlife Foundation breeding centre, Mauritius, Indian Ocean, captive

Mark Carwardine / Mauritius kestrel (Falco punctatus) threatened / endangered species, once the rarest bird in the world, Mauritian Wildlife Foundation breeding centre, Mauritius, Indian Ocean, captive

Laurent Geslin / Kestrel (Falco tinnunculus) male in flight with wings spread. Paris, France

Laurent Geslin / Two juvenile Kestrels (Falco tinnunculus) on a wall, hiding their faces in their wings. Paris, France

Laurent Geslin / Two Kestrels (Falco tinnunculus) on a stone wall in Paris, with tourists in the background. France

Wild Wonders of Europe / Geslin / Kestrel (Falco tinninculus) perched in roosting hole in stone building in the Vatican garden, Rome, Italy, March 2010

Wild Wonders of Europe / Geslin / Kestrel (Falco tinninculus) in flight, Vatican garden, Rome, Italy, March 2010

Bence Mate / Female Kestrel (Falco tinnunculus) in flight, carrying prey, Pusztaszer, Kiskunsagi National Park, Hungary

Stephen Dalton / Greater kestrel (Falco rupicoloides) perched on telegraph pole, South Africa

Hanne & Jens Eriksen / Lesser kestrel {Falco naumanni} female hovering, Sohar, Oman

John Waters / Sub-adult Kestrel {Falco tinnunculus} hovering in flight over farmland, captive, Somerset, UK.

John Waters / Sub-adult Kestrel {Falco tinnunculus} hovering in flight, captive, Somerset, UK.

John Waters / Sub-adult Kestrel {Falco tinnunculus} hovering in flight, captive, Somerset, UK.

Kim Taylor / Kestrel {Falco tinnunculus} in flight. Captive, UK.

Gabriel Rojo / American kestrel chicks looking out of nest hole {Falco sparverius} Argentina

Martin Grimm/ BIA / Eurasian Kestrel (Falco tinnunculus) male flying, Baden-Wurttemberg, Germany

Alan Murphy/ BIA / American Kestrel (Falco sparverius) female flying, Texas

Alan Murphy / American Kestrel (Falco sparverius) male flying, Texas

Alan Murphy / American Kestrel (Falco sparverius) female flying, Texas

Alan Murphy / American Kestrel (Falco sparverius) female flying, Texas

Suzi Eszterhas / American Kestrel (Falco sparverius) male preening, Pantanal, Brazil

Suzi Eszterhas / American Kestrel (Falco sparverius) male, Pantanal, Brazil

Flip de Nooyer / Eurasian Kestrel (Falco tinnunculus) group of five juveniles in nesting box, Europe

Konrad Wothe / Lesser Kestrel (Falco naumanni) female flying, Turkey

John Chan / Female American kestrel (Falco sparverius) taking off with lizard prey, Bolsa Chica Ecological Reserve, Southern California, USA.

Klein & Hubert / Common kestrel (Falco tinnunculus) male bringing prey to female on roof, France.

Klein & Hubert / Common kestrel (Falco tinnunculus) male bringing prey to female on roof, France.

Klein & Hubert / Common kestrel (Falco tinnunculus) four fledglings on roof, one exercising wings France.

Klein & Hubert / Common kestrel (Falco tinnunculus) three fledglings sitting on barn, France.

Klein & Hubert / Common kestrel (Falco tinnunculus) three fledglings sitting on barn, France.

Klein & Hubert / Common kestrel (Falco tinnunculus) flying in spring, France.

Lorraine Bennery / Madagascar kestrel (Falco newtoni), male on ground, Isalo National Park, Madagascar.

Lorraine Bennery / Malagasy kestrel (Falco newtoni) perched on jagged rock formations. Tsingy Bemaraha National Park, Madagascar.

Konrad Wothe / Kestrel (Falco tinnunculus) female in flight, Germany, April.

Ann & Steve Toon / Rock kestrel (Falco rupicolus) at nesting box, Western Cape, South Africa.

Loic Poidevin / Lesser Kestrel (Falco naumanni) pair on branch, Masai Mara, Kenya. March.