Bence Mate / Greenfinches (Carduelis chloris) and House sparrows (Passer domesticus) blurred long exposure photograph, Hungary, February.

Richard Du Toit / Long-tailed Widow (Euplectes progne) male in display flight, Rietvlei Nature Reserve, South Africa

Dong Lei / Tibetan snowfinch (Montifringilla adamsi) with prey, perched on Mani stone- a stone with mantra or prayer to Avalokiteshvara, near to Namtso lake, Nyaingqentanglha Mountains, Qinghai-Tibetan Plateau,...

Fergus Gill / Tree sparrows (Passer montanus) perching on a branch in the rain. Perthshire, Scotland, December.

Niall Benvie,Niall Benvie / Tree Sparrow (Passer montanus) on barbed wire, against white background (field studio). Scotland, January.

Fergus Gill / 2020VISION / Male House sparrow (Passer domesticus) feeding on the ground, Perthshire, Scotland, UK, July.

Mark Hamblin / 2020VISION / Male House sparrow (Passer domesticus) perched on a Red hot poker (Kniphofia rufa) stalk, Pembrokeshire Coast National Park, Wales, UK, May.

Fergus Gill / 2020VISION / Tree Sparrow (Passer montanus) (right) and Yellowhammer (Emberiza citrinella) foraging on snow. Perthshire, Scotland, January. Did you know? The Tree sparrow population in UK dropped by 93% between 19...

Fergus Gill / 2020VISION / Tree Sparrow (Passer montanus), male Chaffinch (Fringilla coelebs) and a male Yellowhammer (Emberiza citrinella) on snowy branch (left to right). Perthshire, Scotland, December.

Ernie Janes / House sparrows (Passer domesticus) perched on building, Morocco, March

Richard Du Toit / Long-tailed Widow (Euplectes progne) male in breeding plumage, South Africa

Ross Hoddinott / Male house sparrow (Passer domesticus) on barbed wire fence, next to starlings (Sturnus vulgaris). Nr Bradworthy, Devon, UK, December