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)
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
Oriental Bittersweet Celastrus orbiculatus
Oriental Bittersweet Celastrus orbiculatus sketchbook study sheet, showing details of plant
Snowberry Symphoricarpos albus
Snowberry Symphoricarpos albus sketchbook study sheet, showing details of plant
Bird’s-foot Trefoil Lotus corniculatus
Completed for Butterfly Conservation. The plant shows flowers and seed pods.
Balsam poplar Populus balsamifera catkins fruit and leaves
Balsam poplar Populus balsamifera catkins fruit and leaves with annotations within a border Illustration from “The Treeline: The last forest and the future of the planet” by Ben Rawlence (publ. Jan 2022)
Short-eared owl Asio flammeus
Short-eared owl Asio flammeus in heather
Common or Black Knapweed Centaura nigra
Common or Black Knapweed Centaura nigra, showing diverse leaf shape and typical spherical, purple flowering heads.
