- Hannah Mosley. Primate tool use and the socio-ecology of thinging: how non-humans think through tools. Adaptive Behaviour, 29(2), 2021.
- Dan Reznícek. Self-domesticated by violence to be peaceful. And violent. Adaptive Behaviour, 29(1), 2021.
- Mohsen Shafizadeh, Shahab Parvinpour, Marzie Balali, Mohsen Shabani. Effects of age and task difficulty on postural sway, variability and complexity. Adaptive Behaviour, 29(6), 2021.
- Thomas Wynn. Ergonomic clusters and displaced affordances in early lithic technology. Adaptive Behaviour, 29(2), 2021.
- Hannes Hornischer, Joshua Cherian Varughese, Ronald Thenius, Franz Wotawa, Manfred Füllsack, Thomas Schmickl. CIMAX: collective information maximization in robotic swarms using local communication. Adaptive Behaviour, 29(3), 2021.
- Anna M. Barona. The archaeology of the social brain revisited: rethinking mind and material culture from a material engagement perspective. Adaptive Behaviour, 29(2), 2021.
- Fuminori Okuya, Takuya Umedachi, Yoshihiro Kawahara. Balloon-like coupling between head and posterior in a caterpillar. Adaptive Behaviour, 29(4), 2021.
- Dario Differt, Wolfgang Stürzl. A generalized multi-snapshot model for 3D homing and route following. Adaptive Behaviour, 29(6), 2021.
- Tom Froese. Epilogue to "Questioning Life and Cognition" by John Stewart. Adaptive Behaviour, 29(5), 2021.
- John A. J. Gowlett. Deep structure in the Acheulean adaptation: technology, sociality and aesthetic emergence. Adaptive Behaviour, 29(2), 2021.