John Polisar

Paraguay Plans to Protect Jaguars in Perpetuity

By Dr. John Polisar In late December of 2016, Paraguay launched an initiative to balance the ecological needs of the jaguar—the world’s third largest big cat species—with those of ranchers who raise cattle in the same landscapes. Paraguay’...

Protecting Nicaragua’s Natural Paradise for Jaguars and Other Wildlife

By John Polisar Bosawás Biosphere Reserve in northeastern Nicaragua is home to extraordinary natural areas and abundant wildlife. Covering close to 20,000 square kilometers, the reserve features more than 300 types of trees, at least 368 bird species (representing close to half ...