One of the world’s smallest primates, the Philippine Tarsier (Tarsius syrichta), has the world’s highest pitched vocalization of any primate ever documented, according to a study published Wednesday.

As the U.S. government plans to complete a pedestrian fence to effectively seal off heavily crossed areas of the border between the U.S. and Mexico, environmentalists and biologists like Emil McCain are studying the possibly negative effects imposed on a group of extremely rare jaguars.

ARCATA, Calif. - The oldest student at Humboldt State University is back in school. Marion Koffords, 93, has enrolled in two weekend seminars as part of the university's Over 60 program. Even though she admits her sight isn't what it once was, her memories of Humboldt State are clear.