Karen I. Hallberg

Primate numerical competence: contributions toward understanding nonhuman cognition

Sarah T. Boysen, Karen I. Hallberg, S. Boysen, 2000, Cogn. Sci..

Cultural Evolution of Puget Sound White‐Crowned Sparrow Song Dialects

Karen I. Hallberg, Douglas A. Nelson, Jill A. Soha, 2004 .

Information in a long-distance vocal signal: chorus howling in the coyote (canis latrans)

Karen I. Hallberg, 2007 .

Animal social complexity : intelligence, culture, and individualized societies

Peter L. Tyack, Karen I. Hallberg, C. Boesch, 2003 .