squirrels

Scots pine Pinus sylvestris cones, one mature and one less ripe

Oak  acorn and lobed leaves with long acorn stalk

Oak tree showing typical growth habit of an old tree

Hazel showing hazelnut selection and iconic catkins

Hazel tree showing typical shrubby growth pattern and habit

Oak bark Quercus robur study

Oak polypore fungus piptoporus quercinus bracket fungus growing on the side of an oak tree

Oak Quercus robur pen and ink tree shape without leaves

Hazel Corylus avellana sprig with immature and mature hazel nuts, along with a sprig with small female flowers and catkins

Hazel Corylus avellana twig, catkins and leaf

Hazel Corylus avellana tree pen and ink drawing of the shape of the thicket without leaves