- Gustl Anzenberger:
- Taxonomy 56 (left)
- Irwin Bernstein:
- Taxonomy 9, 57 (top)
- Behavior 24, 41, 61
- Rich Block:
- Behavior 19
- Warren Brockelman:
- Conservation 21, 30
- Arnold Chamove:
- Taxonomy 7
- A. Susan Clarke:
- Conservation 36
- Taxonomy 51-52
- Christopher Coe:
- Conservation 7)
- Marilyn Cole:
- Taxonomy 34
- Columbus Zoo:
- Conservation 38-39
- Taxonomy 15
- Behavior 26
- K.K. Dua:
- Conservation 16-17
- Taxonomy 2
- Bertrand L. DePutte:
- Taxonomy 6
- Roy Fontaine:
- Taxonomy 8, 12-14, 40-41, 65
- Behavior 3-5, 12, 15, 50-51, 56-57, 67, 69
- J. Stephen Gartlan:
- Taxonomy 10, 54
- Herbert L. Gustafson:
- Taxonomy 4-5
- Behavior 36
- David Haring:
- Taxonomy 22-23, 28, 30
- Robert Horwich and Howlers Forever:
- Conservation 56-61, 63, 65-67
- Taxonomy 59
- Yan Kanghui:
- Behavior 25, 47
- Beth Kaplin:
- Behavior 60
- Hans Kummer:
- Conservation 27
- Behavior 49, 63
- Ernesto R. Luna:
- Conservation 32
- Behavior 13, 42
- Chris Lutmerding:
- Artwork in Conservation 1, 71, 72
- Taxonomy 1, 20, 31, 46, 61, 71, 72
- Behavior 1, 71, 72
- Joseph H. Manson & Susan Perry:
- Behavior 62
- Luis Claudio Marigo:
- Conservation 11-13, 40-41, 54, 64
- Taxonomy 35-39, 43-45
- Behavior 38
- Laura L. McMahon:
- Taxonomy 11, 70
- Behavior 7, 16, 35, 70
- John Montenero:
- Conservation 10
- Behavior 64
- Diana Mossman:
- Conservation 2-3, 8-9, 19-20, 22-24
- Michael Pogany:
- Taxonomy 29, 49
- Mike Putnam:
- Conservation 34
- Dennis Rasmussen:
- Conservation 18
- Martha Robbins:
- Behavior 10
- Mark A. Rosenthal:
- Taxonomy 24
- Ann Savage:
- Conservation 35
- Behavior 37, 55
- Alan Shoemaker:
- Taxonomy 53
- Behavior 9
- Nancy Staley:
- Conservation 70
- Taxonomy 16-17, 56 (right), 57 (bottom), 58, 64, 66 (left), 67 (bottom)
- Behavior 11, 20, 53, 66, 68
- Twycross Zoo:
- Conservation 68
- J. Visser:
- Taxonomy 27
- Frans de Waal:
- Taxonomy 42, 60, 68-69
- Behavior 6, 14, 17, 22-23, 27-33, 39, 43, 48, 54, 59
- Bill Weber & Amy Vedder:
- Conservation 14-15, 25-26, 28-29, 43-44, 46-53
- Taxonomy 67 (top)
- Behavior 2, 18, 58
- Linda D. Wolfe:
- Behavior 44-46
- Anne Zeller:
- Taxonomy 18, 55, 66 (right)
** All photographs copyright © by the respective photographers **
Thank you to:
Larry Jacobsen
Steve Gartlan
Amy Vedder
Bob Dodsworth
Charles Snowdon
Patti Soderberg
Sue Johnson
Paul DuBois
The National Football League
The teachers & students who welcomed us into their classrooms
Acknowledgements to:
The Center for Biology Education
The Wisconsin Regional Primate Research Center