blue

Cocksfoot Dactylis glomerata with details of ligule, stem cross section, spikelet and roots

Blue moor grass Seslaria caerulea with glume, ligule and spikelet detail

Bluebell Hyacinthoides non-scripta Pencil illustration with three flowers and floppy leaves showing paralell veins

Bluebell Hyacinthoides non-scripta in a patch of grass and the flowers colouring the stem of the plant

Bugle Ajuga reptans plant with stolon

Iris in gravel with blue petals

Illustration of the Columbine Aquilegia vulgaris examing different anatomy and colour forms of the flowers along with the seed pods and soft green lobed leaves

Sketchbook study of the Cornflower Centaura cyanus showing its rich blue colour and details of individual florets as well as of the thin leaves and flowering head, some details in colour and some in tonal pencil

Rainbow agama lizard Agama agama pen and ink

Sandtiger shark Carcharias Taurus

Siamese fighting fish Betta splendens battling

Common roach Rutilus rutilus

Landscape showing an ancient oak woodland with oak trees which were last pollarded years ago, the under storey is carpeted with bluebells, the trees are hung with lichen, and there are moths in the foreground settled on a patch of wild spring flowers

Vertebrate embryos comparing growth forms in chart form

Peacock pavo pair with male tail on display, disintersted peahen passing by in front of him

Blue-tit Parus caeruleus male on a branch

Blue tit Parus caeruleus, Coal tit, Long tailed tit, and great tits in a Scots pine tree with cowslip and snakeshead fritillary growing underneath

Blue tit Parus caeruleus adult feeding chicks inside a bird box