Nick Garbutt / Adult Aye-aye (Daubentonia madagascariensis) grooming / cleaning its teeth in forest canopy at night. Dry deciduous forest near Andranotsimaty. Daraina, northern Madagascar. (Critically Endangered)

Guy Edwardes / Grass or Parnassus (Parnassia palustris), Mangrt Pass, Triglav National Park, Slovenia.

Ernie Janes / Grass-of-parnassus (Parnassus palustris) flowers. Norfolk, England, UK, August.

Lorraine Bennery / Caterpillar larva of Elephant hawkmoth (Deilephila elpenor) on Grass of parnassus (Parnassia palustris) with hoverfly visiting flower, Regional Vosges Balloons Regional Park, France, August.

Alex Hyde / Grass-of-Parnassus (Parnassia palustris), Nordtirol, Austrian Alps. June.

Alex Hyde / Grass-of-parnassus (Parnassia palustris) flower, Peak District National Park, Derbyshire, UK. September.

Alex Hyde / Grass-of-parnassus (Parnassia palustris) close up of flower, Peak District National Park, Derbyshire, UK. September.

Bernard Castelein / Marsh grass of Parnassus (Parnassia palustris) flower, Lauwersmeer, the Netherlands, July.

Philippe Clement / Marsh grass of parnassus (Parnassia palustris) in flower, Alps, Switzerland

Konrad Wothe / Grass of Parnassus (Parnassia palustris) flower detail with dewdrops, Bavaria, Germany, Europe. September.

Konrad Wothe / Marsh grass of Parnassus (Parnassia palustris) flower covered with dew, Bavaria, Germany, Europe. September.