Andrew Parkinson / Mute swan (Cygnus olor) pair engaged in a courtship dance, Nottinghamshire, UK, February

Andrew Parkinson / Mute swan (Cygnus olor) breeding pair of adults during part of their courtship ritual, Nottinghamshire, UK, February

Chris O'Reilly / Oak tree {Quercus robur} Nottinghamshire, UK, December, sequence 4/4

Chris O'Reilly / Oak tree {Quercus robur} Nottinghamshire, UK, October, sequence 3/4

David Noton / Ratcliffe-on-Soar Power Station, and train Nr Nottingham, England Energy and railways.

Paul Hobson / Shaggy scalycap / pholiota (Pholiota squarrosa) fungus at base of tree. Nottinghamshire, England, UK.

Paul Hobson / Shaggy scalycap / pholiota (Pholiota squarrosa) fungus at base of Beech (Fagus sylvatica) tree. Nottinghamshire, England, UK.

Paul Hobson / Shaggy scalycap / pholiota (Pholiota squarrosa) fungus at base of Beech (Fagus sylvatica) tree. Nottinghamshire, England, UK.

Paul Hobson / Porcelain fungus (Oudemansiella mucida) on tree trunk in woodland, view from below. Nottinghamshire, England, UK.

Paul Hobson / Horse shoe fungus (Fomes fomentarius) on dead Birch (Betula sp). Nottinghamshire, England, UK. August.

Paul Hobson / Dog stinkhorn fungus (Mutinus caninus) with fly present, on forest floor. Nottinghamshire, England, UK.

Paul Hobson / Stinkhorn fungus (Phallus impudicus), backlit at night. Nottinghamshire, England, UK.