black and white

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

Car crushed by a fallen pine tree.  Illustration shows secondary crushing forces in nature.

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

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

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

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

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

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

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

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

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

Pen and ink illustration for title on Poetry anthology

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)

West Indian stinging nettle or Zouti laportea aestuans pen and ink line drawing

Trumpet bush Cecropia peltata pen and ink line drawing

Pung coolie or Bitter melon Momordica charantia showing fruti split to reveal seeds

Prickly pear Opuntia ficus-indica pen and ink line drawing

Milk thistle Silybum marianum pen and ink line drawing

Madagascar periwinkle Catharanthus roseus ink line drawing

Leaf of life Bryophyylum pinnatum or Kalanchoe pinnata pen and ink line drawing

Klip dagga Leonotis nepetifolia with detail of individual flower

Juk juk or Culantro Eryngium foetidum pen and ink line drawing

Gumbo-limbo or copperwood Bursera simaruba line drawing

Davis root or David’s milkberry Chiocacca alba pen and ink line drawing