A jaguar begins to feel the effect of a tranquilizer dart in Laguna del Tigre, Guatemala, April 17, 2005. A bi-national team of biologists, veterinarians and hunters are working in the Peten jungle region on a high-tech project using satellite tracking to try to save from extinction the jaguar and the habitat that it lives in. Picture taken April 17, 2005. TO MATCH FEATURE GUATEMALA-JAGUARS REUTERS/Daniel LeClair DNL/DA/YH