Jeff Sikich, biologist for the National Park Service on a trail looking to the Hollywood Reservoir and the southern end of Griffith Park where he...
Jeff Sikich, biologist for the National Park Service walks a trail on the north end of Griffith Park overlooking Forest Lawn Cemetery using maps and...
Dr. Seth Riley, left, wildlife ecologist, and Jeff Sikich, right, biologist for the National Park Service stand on a trail on the north end of...
Dr. Seth Riley, wildlife ecologist, for the National Park Service, on the north end of Griffith Park overlooking the 134 Ventura Freeway and Burbank...
Hikers frequent trails in Griffith Park where biologists with the National Park Service use maps and data from a radio collar worn by P-22 to observe...
Jeff Sikich, biologist for the National Park Service, holds a radio collar similar to the one worn by P-22 to gather data on Griffith Park's P-22...
Dr. Seth Riley, left, wildlife ecologist, and Jeff Sikich, right, biologist for the National Park Service stand on a trail on the north end of...美洲獅
Jeff Sikich, biologist for the National Park Service opens a gate for travel on roadways and trails on the north end of Griffith Park using maps and...
The remains of a small deer discovered by Dr. Seth Riley, wildlife ecologist, and Jeff Sikich, biologist for the National Park Service, that was...美洲獅
Dr. Seth Riley, left, wildlife ecologist, and Jeff Sikich, right, biologist for the National Park Service, use maps and data from a radio collar worn...
Dr. Seth Riley, left, wildlife ecologist, and Jeff Sikich, right, biologist for the National Park Service deep in a ravine as they examine the...
Male Jaguar with a radio collar is walking along a riverbank at one of the tributaries of the Cuiaba River near Porto Jofre in the northern Pantanal,...
Male Jaguar with a radio collar is walking along a riverbank at one of the tributaries of the Cuiaba River near Porto Jofre in the northern Pantanal,...
a cheetah, acinonyx jubatus, was fitted with a gps collar to monitor its movements in madikwe game reserve, north west province, south africa. - 無線電頸圈 個照片及圖片檔
cheetah female (acinonyx jubatus) with radio collar, masai mara game reserve, kenya, east africa, africa - 無線電頸圈 個照片及圖片檔
