Russ Van Horn

Camera Trap Pictures Show Puma Evading Humans

By Russ Van Horn, Ph.D., San Diego Zoo Institute for Conservation Research scientist Photos taken on 18 January, 2011 by a remote camera trap we have set up as part of an ongoing conservation science project to study the Andean bear ...

Why was a bear following an anteater through Peru’s mountains?

San Diego Zoo scientists often come back from the field with wonderful tales of their adventures and interesting findings. One of the zoo’s newer programs is about Andean (spectacled) bears in the cloud forests of southeastern Peru, near the ...