Guy Edwardes / 2020VISION / Family, man, boy and girl, birdwatching in reedbeds at Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011 Model released

Diane McAllister / Male Anna's hummingbird (Calypte anna) hovers in mid-air looking at the camera in a backyard in Reno. Nevada, USA, August

Juan Manuel Borrero / Santa Anna reservoir, Noguera Ribagorzana, Lleida Province, Spain, January

Floris van Breugel / Anna's Hummingbird (Calypte anna) stretching, Mount Diablo State Park, California, USA, March

Tom Vezo / Anna's Hummingbird (Calypte anna) feeding on flower nectar, Santa Rita Mountains, Arizona

Roland Seitre / Heinz and Anna Plenge, owners of Chaparri ecolodge, Chaparri reserve, Chiclayo, Lambayeque, Peru, 2010.

Guy Edwardes / 2020VISION / Family, man, girl and boy, birdwatching from hide at Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011 Model released

Guy Edwardes / 2020VISION / Girl and boy birdwatching from hide at Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011. Model released

Guy Edwardes / 2020VISION / Family, man, boy and girl, birdwatching in reedbeds at Westhay SWT reserve, Somerset Levels, Somerset, England, UK, June 2011 Model released

Diane McAllister / Anna's hummingbird (Calypte anna) chicks about to fledge, in their nest in juniper tree in southwest Reno. Nevada, USA, July

Uri Golman / Two ladies looking through their window. (Mayor Asi Chemnitz and her secretary Anna of Nuuk Commune) This is the second largest Commune of the world. Ittoqqortoormiit. Scoresbysund, North East Greenl...

David Tipling / Anna's hummingbird (Calypte anna) perched on flower head, San Diego, California, USA, April

Mary McDonald / Anna's hummingbird {Calypte anna} in flight, southern Arizona, USA.

Mary McDonald / Anna's hummingbird {Calypte anna} in flight, southern Arizona, USA.

Wild Wonders of Europe / Arndt / Researcher Dr. Anna Pipia radio tracking Mouflon (Ovis musimon) for Wild Wonders of Europe project, Gennargentu National Park, Sardinia, Italy, November 2008

Wild Wonders of Europe / Arndt / Researcher Dr. Anna Pipia radio tracking Mouflon (Ovis musimon) for Wild Wonders of Europe project, Gennargentu National Park, Sardinia, Italy, November 2008

Shattil & Rozinski / Close up of irridescent gorget feathers of Anna's hummingbird {Calypte anna} USA

Konrad Wothe / Anna's Hummingbird (Calypte anna) male getting nectar from flower stalk, Arizona

Rolf Nussbaumer / Anna's Hummingbird {Calypte anna} female in flight feeding on flower, Tuscon, Arizona, USA

Rolf Nussbaumer / Anna's Hummingbird {Calypte anna} male in flight feeding on Yellow Trumpet Flower (Tecoma stans) Tuscon, Arizona, USA

Rolf Nussbaumer / Female Anna's Hummingbird (Calypte anna) feeding on Sage (Salvia sp.) Miller Canyon, Arizona, USA. August 2004

Rolf Nussbaumer / Female Anna's Hummingbird (Calypte anna) feeding on Mexican Honeysuckle (Justicia spicigera) Miller Canyon, Arizona, USA. August 2004

Shattil & Rozinski / Anna's hummingbird {Calypte anna} female on nest made of thread and other materials, Arizona, USA

Shattil & Rozinski / Anna's hummingbird {Calypte anna} eggs in nest with Domestic chicken egg for size comparison, USA

Keith Scholey / Black rhino "Samia" with Anna Merz, during filming for Great Rift series 1990, Lewa Downs, Kenya

Keith Scholey / Anna Merz with Black Rhinoceros "Samia" {Diceros bicornis} Lewa Downs, Kenya

Tom Vezo / Female Anna's Hummingbird {Calypte anna} at nest, California, USA

Rolf Nussbaumer / Anna's hummingbird {Calypte anna} female at Thistle, Chiricahua Mountains, Arizona, USA

Rolf Nussbaumer / Anna's hummingbird {Calypte anna} Female at Penstemon flower, Chiricahua Mountains, Arizona, USA

Staffan Widstrand / Mountain guide, Anna Lundqvist, skiing in Sarek National Park, Lapland, Sweden.

Konrad Wothe / Anna's Hummingbird (Calypte anna) male collecting nectar from flower, Arizona

ZSSD / Anna's Hummingbird (Calypte anna) adult female perching on leaf, native to North America

John Cancalosi / Anna's hummingbird on nest on fircone {Calypte anna} Sonoran desert, Arizona, USA

Tom Vezo / Female Anna Hummingbird {Calypte anna} sitting on nest, California, USA

John Cancalosi / Anna's hummingbird (Calypte anna) at nest with chicks. Sonoran desert, Arizona, USA

John Cancalosi / Anna's hummingbird (Calypte anna) at nest with chicks. Sonoran desert, Arizona, USA

John Cancalosi / Anna's hummingbird (Calypte anna) feeding chicks at nest. Sonoroan desert, Arizona, USA

Tom Vezo / Anna's Hummingbird (Calypte anna) male at feeder, North America

Rick Tomlinson / Lisa Macdonald and Anna Drougge carrying out repair work on board "EF Language" during the Whitbread Round The World Race, 1997-98.

Rick Tomlinson / Lisa Macdonald and Anna Drougge carrying out repair work on board "EF Language" during the Whitbread Round The World Race, 1997-98.

Barry Mansell / Anna's Hummingbird (Calypte anna) Male flapping wings, Arizona, USA

Tom Vezo / Annas hummingbird female on nest {Calypte anna} California USA Bolsa Chica reserve