
Wasps and bees hibernating in cracks in an old wall
Wasps and bees hibernating in cracks in an old wall, showing common UK bee and social wasp species in the mortar of a church wall

Redwing Turdus iliacus
Redwing Turdus iliacus perched on a branch, with a berry in its beak

Fountain Grass Pennisetum setaceum
Fountain Grass Pennisetum setaceum sketchbook study sheet, showing details of plant

Spotted hyena Crocuta crocuta
Spotted hyena Crocuta crocuta with leg bone of giraffe

Anting Green woodpecker Picus viridis
Green woodpecker Picus viridis anting for parasite removal

Feeding Greater Spotted woodpecker Dendrocopos major
Greater Spotted woodpecker Dendrocopos major seeking food. Using its beak to pry under areas of bark, the woodpecker looks for small insects.

Digestive system of bird
Digestive system of bird using domestic chicken, in diagram format, with close up of gizzard

Bighorn sheep Ovis canadensis
Bighorn sheep Ovis canadensis fighting, using his horns to charge at a mating rival.

Comparison of Beak use in Darwin’s Finches
Comparison of Beak use in Darwin’s Finches. Stippled illustration showing singing, feeding, and preening.

Beak comparison in Darwin’s finches
Beak comparison in Darwin’s finches showing use feeding, singing, and preening. Line drawing.

Singing Darwins Finch Geospiza fuliginosa
Singing Darwin’s Finch Geospiza fulginosa showing beak in use.

Singing Darwins Finch Geospiza fuliginosa
Singing Darwins Finch Geospiza fuliginosa. Line drawing showing Galapagos finch and beak use.

Bird preening Darwins Finch Geospiza magnirostris
Bird preening Darwins Finch Geospiza magnirostris line drawing showing the beak in use in parasite removal

Preening Darwin’s Finch Geospiza magnirostris
Preening Darwins Finch Geospiza magnirostris line drawing showing the beak in use in parasite removal

Darwins Finch Geospiza magnirostris eating a Tribulus seed
Darwins Finch Geospiza magnirostris with Tribulus seed. Stippled illustration showing beak adaptability.

Darwin’s Finch Geospiza magnirostris with Tribulus seed
Darwin’s Finch Geospiza magnirostris with Tribulus seed (line drawing)

Coral Reef scene in the Red Sea
Red sea coral reef scene showing clown fish, sea urchins, star puffer fish, brain coral, squirrel fish, sea anenome, and lettuce coral

Oregon Grape Mahonia aquifolium
Oregon Grape Mahonia aquifolium sketchbook study sheet, showing details of plant

Yellow Loosestrife Lysimachia punctata
Yellow Loosestrife Lysimachia punctata sketchbook study sheet, showing details of plant

Butterfly bush Buddleja davidii
Butterfly bush Buddleja davidii sketchbook study sheet, showing details of plant

Old Man’s Beard Clematis vitalba
Old Man’s Beard Clematis vitalba sketchbook study sheet, showing details of plant

Giant Goldenrod Solidago gigantea
Giant Goldenrod Solidago gigantea sketchbook study sheet, showing details of plant

Himalayan Knotweed Persicaria polystachum
Himalayan Knotweed Persicaria polystachum sketchbook study sheet, showing details of plant

Narrow-leaved Ragwort Senecio inaequidens
Narrow-leaved Ragwort Senecio inaequidens sketchbook study sheet, showing details of plant