Edwin Giesbers / Male Indian peafowl (Pavo cristatus) displaying, captive Not available for ringtone/wallpaper use.

Loic Poidevin / Common Tern (Sterna hirundo) among nettles. Farne Isles, UK, June.

Mark Hamblin / 2020VISION / Robin (Erithacus rubecula) adult perched in winter with feather fluffed up, Scotland, UK, December

Dave Watts / Satin Bowerbird (Ptilonorhynchus violaceus) male arranging blue plastic ornaments and feather at bower, Australian Capital Territory, Australia, September

Bence Mate / Confrontation between a great egret (Ardea alba) and grey heron (Ardea cinerea), Lake Csaj, Kiskunsagi National Park, Hungary.

Fabrice Cahez / Eurasian Sparrowhawk (Accipiter nisus) rear view perching on fence post with tail feathers spread. Vosges, France, January.

Alex Hyde / Close up of feathers of cock Pheasant (Phasianus colchicus).

Juan Carlos Munoz / Close-up of the feathers of a Spanish imperial eagle (Aquila adalberti). Sierra de Andujar Natural Park, Jaen, Andalusia, Spain

Markus Varesvuo / Redpoll (Carduelis flammea) on seed head Finland, October

Markus Varesvuo / Redpoll (Carduelis flammea) feeding on seed head, Finland, October

Barrie Britton / Male Sage grouse (Centrocercus urophasianus) displaying at lek - side view. Wyoming, USA. Picture taken during filming for BBC "Life" TV Series, April 2007

Barrie Britton / Male Sage Grouse (Centrocercus urophasianus) displaying at lek. Wyoming, USA. Picture taken during filming for BBC "Life" TV Series, April 2007