St Clair, J. J. H., Klump, B. C., van der Wal, J. E. M., Sugasawa, S., & Rutz, C. (2016). Strong between‐site variation in New Caledonian crows’ use of hook‐tool‐making materials. Biol J Linn Soc Lond.

St Clair, James J. H., Barbara C. Klump, Jessica E. M. van der Wal, Shoko Sugasawa, and Christian Rutz. "Strong Between‐site Variation in New Caledonian Crows’ Use of Hook‐tool‐making Materials." Biol J Linn Soc Lond 2016.

St Clair, James J. H., et al. "Strong Between‐site Variation in New Caledonian Crows’ Use of Hook‐tool‐making Materials." Biol J Linn Soc Lond 2016.