Seed, Amanda Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Seed, A., Emery, N. J., & Clayton, N. S. (2009). Intelligence in Corvids and Apes: A Case of Convergent Evolution? Ethology, 115(5), 401-420. doi:10.1111/j.1439-0310.2009.01644.x.