
Wolf hunting Elk
Wolf Canis lupus hunting Elk Cervus canadensis in Yellowstone Park. Illustration from The Hidden Universe: Adventures in Biodiversity by Alexandre Antonelli

Scots pine Pinus sylvestris trees
Scots pine Pinus sylvestris trees in pen and ink from young dapling to mature adult tree

Scots pine Pinus sylvestris
Scots pine Pinus sylvestris tuft with mature cone and green cones

Sea otter Enhydra lutris
Sea otter Enhydra lutris floating in the sea on its back, holding a clam and favoured stone, and peering at the viewer

Jaguar Panthera onca
Pen and ink Jaguar Panthera onca illustration showing the big cat lounging in a tropical tree looking down at the viewer

Bluebell wood with redstart and a walkway across a woodland stream
Bluebell wood with the spring flowrs carpeting the forest floor, in the foreground a male redstart perches on a tree stump with lichen, behind are some butterflies and a pied flycatcher perches on the wooden bridge walkway that covers an area of boggy ground, beyond the path stretches away into distant airy woodland and sunlight