Veiled Chameleon (Chamaeleo calyptratus)
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Banded Snail
Procreate. Drawn as an example for a Lophotrochozoan sketch assignment in “Biological Diversity and Ecology.”
Common Raven (Corvus corax)
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Brushes: 4H Pencil, Rough Graphite Shader, and Kneaded Eraser
10 hours, and 20,015 total strokes
Orcinus orca
Shaded in Adobe Photoshop for “Introduction to the Art of Science: Scientific Illustration” in Barcelona, Spain.
Mountain Lion (Puma concolor)
Drawn in Adobe Illustrator for “Introduction to the Art of Science: Scientific Illustration” in Barcelona, Spain.
Western Bluebird (Sialia mexicana)
Commission painted in Procreate
All rights reserved
Anna’s Hummingbird (Calypte anna)
Commission painted in Procreate
All rights reserved
Great Horned Owl (Bubo virginianus)
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For many years, a large Great Horned Owl lived in the eucalyptus tree in the empty field across the street from the house where I grew up. Although I often played in that field, and even climbed that tree, I didn’t see the owl very often, although there were a number of occasions where I did, including at least two times on Halloween. On this particular Halloween (1971 or 72), I was trick-or-treating with some neighborhood children when the owl flew down right in front of us, and landed in the middle of the Holzer’s front yard. How could I forget an event like that! One of my earliest “birding” experiences, and one which definitely made an impact on my young psyche, probably predisposing me to my current fascination with birds.
Woolly Mammoth (Mammuthus primigenius) and Pumpkins
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American Black Bear Cub (Ursus americanus) with Lupine
Procreate, detail from a larger work
Agassizi’s Desert Tortoise (Gopherus agassizii)
Sketched in Procreate as an example to accompany The Virtual Field Ecosystem Exploration video for the Desert Studies Center.
Brushes: 4H Pencil, Rough Graphite Shader, Kneaded Eraser
California Quail (Callipepla californica)
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Alkali Goldenbush (Isocoma acradenia)
Sketched in Procreate as an example to accompany The Virtual Field Ecosystem Exploration video for the Desert Studies Center.
California Condor (Gymnogyps californianus)
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Mountain Lion (Puma concolor) Study
Sketched in Procreate for “Drawing Nature, Science and Culture” at the University of Newcastle, Australia.
Mountain Lion (Puma concolor)
Procreate, unfinished
Mountain Lion (Puma concolor) Study
Sketched in Procreate for “Drawing Nature, Science and Culture” at the University of Newcastle, Australia.
American White Pelican (Pelecanus erythrorhynchos)
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Brown-headed Cowbird (Molothrus ater) Egg in Dickcissel (Spiza americana) Nest
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California Blackberry (Rubus ursinus)
Leaf study drawn in Procreate as part of an assignment for “Drawing Nature, Science and Culture” at the University of Newcastle, Australia.
California Blackberry (Rubus ursinus)
Flower study drawn in Procreate as part of an assignment for “Drawing Nature, Science and Culture” at the University of Newcastle, Australia.
American Bushtit (Psaltriparous minimus)
Sketched in Procreate for “Drawing Nature, Science and Culture” at the University of Newcastle, Australia.
Teacup Rex website Logo
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ALL RIGHTS RESERVED
Acrocanthosaurus atokensis
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Black Sea Bass (Centropristis striata)
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