heraldry

Oak sudden death Phytophthora ramorum fungi and algae pest on Oak tree Quercus

Oak spangle galls from wasp Tilia platyphyllos and Silk button galls from wasp Neuroterus numismalis on Oak leaf Quercus robu

Oak Quercus robur sketchbook page including flowers and young leaves

Yellow Flag Iris pseudoacorus in flower, pencil drawing

Yellow Flag Iris pseudoacorus in flower

Pen and ink portrait of the head of a leopard Panthera pardus regarding the viewer with an unblinking steely stare

Pen and ink portrait of the head of a leopard Panthera pardus regarding the viewer with an unblinking steely stare

Wild boar Sus scrofa

Northern pike Esox lucius lurking with background of weeds

Mute swan Cygnus olor standing on one grey leg and clearly showing its orange beak