Steve Downer / Wood pigeon (Columba palumbus) feeding in a garden, flies to fence and then out of frame, Birmingham, England, UK, March.

Dave Bevan / Slow motion clip of a Jay (Garrulus glandarius) feeding from a peanut string during a snowstorm, Carmarthenshire, Wales, UK, November.

Dave Bevan / Bank vole (Myodes glareolus) feeding from a bird feeder anlongside a Coal tit (Periparus ater) and Blue tit (Cyanistes caeruleus), Carmarthenshire, Wales, UK, September.

Terry Whittaker / Group of Common starlings (Sturnus vulgaris) feeding from a bird feeder, with an adult feeding juveniles perched on the top, Greater Manchester, England, UK, May.

Dave Bevan / Eastern gray squirrel (Sciurus, Carolinensis) entering top of a bird feeder, struggling to get out again, Carmarthenshire, Wales, UK, June.

Philippe Clement / Jackdaw (Corvus monedula) pulling up a peanut string to feed, Belgium

Rob Cousins / Sparrowhawk (Accipiter nisus) perched on bird feeder, Devon, UK, September.

Ben Hall / 2020VISION / Common starling (Sturnus vulgaris) on bird feeder with man in background watching through house window with binoculars, Poynton, Cheshire, England, UK, May. Property released.

Ben Hall / 2020VISION / Common starling (Sturnus vulgaris) on bird feeder with man watching in background, Poynton, Cheshire, England, UK, May. Property released.

Laurie Campbell / Goldfinches (Carduelis carduelis) squabbling near seed feeder, Berwickshire, Scotland, April

Laurie Campbell / Goldfinches (Carduelis carduelis) squabbling near seed feeder in garden, Berwickshire, Scotland, April

Bence Mate / Green crowned brilliant hummingbird (Heliodoxa jacula) male taking off to feed at feeder in garden, another waiting perched on lichen covered branch, Costa Rica, January. Winner, Eric Hosking award at...

Laurie Campbell / Skylark (Alauda arvensis) attracted to feed below seed feeders in a garden after heavy snowfall covering its naturally occuring food supply, Berwickshire. Scotland, December 2010

Mary McDonald / Violet Sabrewing Hummingbird (Campylopterus hemileucurus) male hovering at feeder, Bosque de Paz, Costa Rica, Central America.

Ann & Steve Toon / Mixed flock of House sparrows (Passer domesticus) and Chaffinchs (Fringilla coelebs) on bird table after heavy snowfall, UK

Laurent Geslin / Blue tit (Parus caeruleus) feeding from peanut feeder. Switzerland.

David Kjaer / Flock of Blue tits (Parus caeruleus) and Great tit (Parus major) on Niger seed feeder, Gloucestershire, England

Stephen Dalton / Blue tits (Parus caeruleus) feeding at nut feeder, Long tailed tit (Aegithalos caudatus) flying to feeder, UK

Stephen Dalton / Blue tits (Parus caeruleus) feeding at nut feeder, Great tit (Parus major) flying to feeder, UK

Stephen Dalton / Blue tits (Parus caeruleus) feeding at nut feeder, Great tit (Parus major) flying to feeder, UK

Stephen Dalton / Collection of bird feeders in garden, with Greenfinches (Carduelis chloris) and Great tits (Parus major) UK

Stephen Dalton / Blue tit (Parus caeruleus) flying to bird-feeder, UK

Stephen Dalton / Pheasant (Phasianus colchicus) male on garden bird feeder in the snow, Winter, UK

Stephen Dalton / Grey squirrel (Sciurus carolinensis) feeding at bird table, England, UK

Stephen Dalton / Garden in heavy snow with bird tables. Sussex, England, UK, Winter.

Roger Powell / Young male Sparrowhawk perched on plastic feeder in suburban garden, hunting for small garden birds. Northumberland, UK.

Laurent Geslin / Blue tit (Parus caeruleus) taking off from a bird feeder, with urban landscape in the background. Geneva, Switzerland

Kim Taylor / Yellow-necked Mice (Apodemus flavicollis) feeding on peanut bird feeder at night. Surrey, UK

David Tipling / Red Squirrel {Sciurus vulgaris} and Coal Tit {Parus ater} on garden nut feeder, UK.

David Tipling / Garden birds including Blue Tits {Parus caeruleus} + Nuthatch {Sitta europaea} on bird table, UK.

Kim Taylor / Great Tit (Parus major) flying off with a peanut. UK, Digital composite

WILLIAM OSBORN / Rainbow lorikeets at feeder {Trichoglossus haematodus} Queensland, Australia

Mike Wilkes / Tree sparrow {Passer montanus} on garden nut feeder. Warwickshire, UK.

Georgette Douwma / Grey squirrel {Sciurus carolinensis} taking nuts from bird feeder, Regents Park, London, UK

Mike Read / Grey squirrel on squirrel proof bird feeder {Sciurus carolinensis} UK

Jose B. Ruiz / Male common sparrow {Passer domesticus} flying to feeder. Alicante, Spain.

Ashley Cooper / Robin (Erithacus rubecula) at feeder in garden, perched on snow covered branches. Ambleside, Lake District National Park, England, UK. February 2020.

Ashley Cooper / Long tailed tit (Aegithalos caudatus) flock feeding on fat balls in garden bird feeder, in snow. Ambleside, Lake District National Park, England, UK. February 2020

Ashley Cooper / Wood mouse (Apodemus sylvaticus) on garden bird feeder, Hawthorn (Crataegus sp) blossoming in background. Ambleside, Cumbria, England, UK. May 2020.

John Cancalosi / Eastern gray squirrel (Sciurus carolinensis), feeding from bird feeder, Maryland, USA. March.

John Waters / House Sparrow (Passer domesticus) male on bird feeder, Bristol, UK, May.

Oscar Dewhurst / Rose-ringed parakeet (Psittacula krameri) portrait of bird feeding on bird feeder. London, England,UK. April. Cropped

Tim Laman / Northern Cardinal (Cardinalis cardinalis) at birdfeeder in snow Massachusetts, USA. April.

Nick Upton / Marsh tit (Parus palustris) pair feeding on peanuts in a bird feeder near Forsythia flowers in the background, Wiltshire, UK, April.

Philippe Clement / Two Long-tailed tits (Aegithalos caudatus) feeding from a bird feeder in a garden, Belgium, March.

Philippe Clement / Two Long-tailed tits (Aegithalos caudatus) feeding from a bird feeder in a garden, Belgium, March.

Philippe Clement / Long-tailed tit (Aegithalos caudatus) feeding from a bird feeder in a garden, Belgium, March.

Nigel Cattlin / Grey squirrel (Sciurus carolinensis) adult feeding on peanuts in a mesh cover bird feeder, Berkshire, England, UK, June