Paul Hobson / Red fox (Vulpes vulpes), two cubs play fighting. Sheffield, England, UK. May.

Paul Hobson / Red fox (Vulpes vulpes) cub looking at camera, in morning. Sheffield, England, UK. June.

Paul Hobson / Badger (Meles meles) eating apples in urban garden. Sheffield, England, UK. October.

Paul Hobson / Badger (Meles meles) crossing road in residential area at night. Sheffield, England, UK. October 2018.

Paul Hobson / Badger (Meles meles) emerging through gateway in wall at night. In urban area, Sheffield, England, UK. October 2018.

Paul Hobson / Wood warbler (Phylloscopus sibilatrix) singing whilst perched on branch, silhouetted at dawn. Sheffield, England, UK. May.

Chris Mattison / Small White / Cabbage white butterfly (Pieris rapae) on Lavender, Sheffield, UK July (Focus-stacked image)

Paul Hobson / Weasel (Mustela nivalis) head and neck looking out of yellow autumn acer leaves, Sheffield, England, UK.

Paul Hobson / Weasel (Mustela nivalis) investigating birch stump with bracket fungus in autumn woodland, Sheffield.

Paul Hobson / Weasel (Mustela nivalis) looking out of hole on woodland floor with snowdrops, Sheffield, England, UK.

Paul Hobson / Nuthatch (Sitta europaea) in flight, and preparing to land, South Yorkshire, England, UK. March.

Paul Hobson / Blue tit (Parus caeruleus) flying in position to land, South Yorkshire, England, UK. March.