Skull studies at the Zoological collection. Ink and watercolour in a Bee Paper B5 sketchbook.
From the zoological collection in Freiburg. Charcoal pencil sketch on A4 paper.
Skull study in graphite on Bee Paper, A4.
Front view study in graphite on A4 paper.
From a specimens at the Albert-Ludwigs University of Freiburg Zoology department's collection and reference photos.