Mundu , a 2-year-old koala , escaped from his enclosure , spending the day sleeping in a tree high above his exhibit . NEW : Mundu , a 2-year-old koala , is back and being checked out by a veterinarian . He spent the day sleeping in a tree high above his exhibit . No one knows exactly how he got out , but he posed no danger to the public . The zoo has been closed since Monday because of an outbreak of dengue fever that began at the San Diego Zoo Safari Park on June 1.
NEW : Mundu , a 2-year-old koala , is back and being checked out by a veterinarian . He spent the day sleeping in a tree high above his exhibit . No one knows exactly how he got out , but he posed no danger to the public . The zoo has been closed since Monday because of an outbreak of dengue fever that began at the San Diego Zoo Safari Park on June 1.