Small skipper, Thymelicus sylvestris

Children and volunteer taking part in BioBlitz survey

Children taking part in BioBlitz survey

King Alfred's cakes, Daldinia concentrica

Children and volunteers in woodland at BioBlitz event near Bristol, UK

Volunteer checking tunnel for small mammal footprints at BioBlitz survey

Children and volunteers at BioBlitz event near Bristol, UK

Unripe hazelnuts (Corylus avellana)

Volunteer demonstrating how to identify small mammal tracks

Children and volunteers at BioBlitz event near Bristol, UK

Volunteer demonstrating how to identify small mammal tracks