Jeff Foott / Mount Gould, Glacier National Park, Montana

Jed Weingarten / Wild Wonders of China / Mrs Gould's sunbird (Aethopyga gouldiae) perched on branch, Tangjiahe Nature Reserve, Sichuan Province, China.

Dong Lei / Mrs Gould's sunbird (Aethopyga gouldiae dabryii) male feeding from Chinese wild peach flowers (Prunus davidiana) Kawakarpo Mountain, Meri Snow Mountain National Park, Yunnan Province, China. May.

Dong Lei / Mrs Gould's sunbird (Aethopyga gouldiae dabryii) male hanging upside down and feeding from Chinese wild peach (Prunus davidiana) male blossom, Kawakarpo Mountain, Meri Snow Mountain National Park, Yun...

JIM CLARE / Sparkllng violetear hummingbird, (Colibri coruscans). Azuay, Andes, Southern Ecuador.

JIM CLARE / Sparkllng violetear hummingbird, (Colibri coruscans), Azuay, Andes, Southern Ecuador.

JIM CLARE / Sparkllng violetear hummingbird, (Colibri coruscans), displaying, Azuay, Andes, Southern Ecuador.

JIM CLARE / Sparkllng violetear hummingbird, (Colibri coruscans), displaying, Azuay, Andes, Southern Ecuador.

Oscar Dewhurst / Sparkling violetear (Colibri coruscans) perched. Cusco, Peru. February. Cropped

David Pattyn / Sparkling Violet-ear (Colibri coruscans) hummingbird in flight, Mindo cloud forest ecosystem, Ecuador, July

Alex Hyde / Grey-headed Albatross (Thalassarche chrysostoma) near to South Georgia, Southern Ocean. November.

Tony Heald / Grey-headed albatross (Thalassarche chrysostoma) portrait. Elsehul, South Georgia. October.