Tool use by four species of Indo-Pacific sea urchins
G. Barrett, D. Revell, L. Harding, I. Mills, A. Jorcin, K. M. Stiefel
The paper compares covering behavior among four Indo-Pacific sea urchin species, finding differences in material preference and depth-related cover changes, and discusses tool use interpretations.
bioRxiv · Jun 15, 2018Animal Behavior & Cognition