David Maitland / Close-up view of the upward-looking giant dorsal compound eyes of the St Marks fly (Bibio marci) used to detect female flies flying above. Like many insects the eyes are "hairy". Feltwell, Norfolk, UK...

David Maitland / Close-up view of the upward-looking giant dorsal compound eyes of the St Marks fly (Bibio marci) used to detect female flies flying above. Like many insects the eyes are "hairy". Feltwell, Norfolk, UK...

David Maitland / Head of female St. Marks fly (Bibio marci) showing normal sized compound eyes. Feltwell, Norfolk, UK

David Maitland / Head of female St. Marks fly (Bibio marci) showing normal sized compound eyes. Feltwell, Norfolk, UK

David Maitland / Close up of head of a male miniature Blue-winged olive mayfly (Acentrella sp). The male mayflys head is dominated by its remarkable red 'Turbinate' compound eyes which, directed upwards and phenomenal...

David Maitland / Pigeon louse fly (Ornithomya avicularia) amongst the feathers of a Tawny Owl (Strix aluco). Feltwell, Norfolk, UK.

David Maitland / Pigeon louse fly (Pseudolynchia canariensis) amongst the feathers of a Tawny Owl (Strix aluco). Feltwell, Norfolk, UK.

David Maitland / Field pansy (Viola arvensis) and Common field speedwell (Veronica persica) reaching upwards towards the light amongst the stubble of a harvested barley field. Feltwell, Norfolk, UK, October. Highly...

David Maitland / Margined Ramshorn pond snail (Planorbis planorbis) microscopic view of a galaxy of photosynthetic algae, like Chlamydomonas, living within a slimy biofilm covering the shell. The chlorophyll within t...

David Maitland / Margined ramshorn pond snail (Planorbis planorbis) microscopic view of a galaxy of photosynthetic algae, like Chlamydomonas, living within a slimy biofilm covering the shell. The chlorophyll within t...