Mark Hamblin / 2020VISION / Two male Black grouse (Tetrao tetrix) fighting at lek site, with mountain backdrop, Cairngorms NP, Scotland, UK, April 2010

Mark Hamblin / 2020VISION / Red squirrel (Sciurus vulgaris) adult foraging around a woodland pool, Cairngorms NP, Scotland, UK, November 2011

Mark Hamblin / 2020VISION / Jackdaw (Corvus monedula) taking a bundle of wool into a nest hole in tree, Inverness-shire, Scotland, UK, April 2011

Mark Hamblin / 2020VISION / Jackdaw (Corvus monedula) pair at their nest hole, one pecking the other for attention, the other quivering its tail, Inverness-shire, Scotland, April 2011

Mark Hamblin / 2020VISION / Red deer (Cervus elaphus) stag in blizzard, moving head and blinking, Cairngorms NP, Scotland, December 2011

Peter Cairns / 2020VISION / Northern gannets (Morus bassanus) in flight at nesting colony on cliffs, Hermaness NNR, Unst, Shetland Islands, Scotland, UK, June

David Tipling / 2020VISION / Oystercatchers (Haematopus ostralegus) moving in front of incoming tide, The Wash estuary, Norfolk, England, UK, January.

David Tipling / 2020VISION / Reed warbler (Acrocephalus scirpaceus) with twelve day old Cuckoo (Cuculus canorus) chick at nest, Norfolk, England, UK, May

David Tipling / 2020VISION / Large flock of Red knot (Calidris canutus) taking off from mudflats, The Wash estuary, Norfolk, England, UK, January

Mark Hamblin / 2020VISION / RSPB volunteers using ropes to pull down pine tree as part of woodland management plan to improve habitat for wildlife, Abernethy Forest RSPB Reserve, Cairngorms National Park, Scotland, UK, September...

Rob Jordan / 2020VISION / Group of Atlantic puffins (Fratercula arctica) displaying and vocalising, Farne Islands, Northumberland, England, UK, July

David Tipling / 2020VISION / Nightingale (Luscina megarhynchos) singing in willow (Salix sp), Norfolk, England, UK, May.