Nov 15, 2021
Sciartober Day 16: For the prompt: keystone, an animal I’ve drawn a few times, a sea otter eating an urchin. As a voracious predator that eats about 25% of their body weight, sea otters help keep sea urchin populations in check. Otherwise, sea urchins would overrun kelp forests and destroy the kelp forest ecosystem. Walnut ink, Kuratake brushpen, waterbrush, and Sumiro blue brushpen on Canson XL watercolor