In giraffes, papillomaviruses cause scaly lesions on the skin that spread over time, sometimes merging into larger masses. "New lesions begin as a thickened plaque on the skin," Campling said.

Known for their 6-foot-long necks, distinctive patterning and long eyelashes, giraffes have always captured the human imagination. These amazing African animals have the highest blood pressure among ...

Before she showed off her leggy prowess to Reid Park Zoo visitors in Tucson, a young giraffe decided she wanted a treat from a tree outside her enclosure. Nancy Kluge, Reid Park Zoo's president ...