Koola, an 18-year-old western lowland gorilla, gave birth to a female at Brookfield Zoo on November 4. The two can be seen on exhibit in Tropic World: Africa along with Koola's daughter Kamba, 9; Koola's mother Binti, 25; and JoJo, 33, the sire of the infant. In the wild, western lowland gorillas are critically endangered due to habitat destruction, primarily from logging; disease such as the Ebola virus; the illegal pet trade; and poaching for bushmeat. The Chicago Zoological Society participates in the Association of Zoos and Aquariums Western Lowland Gorilla Species Survival Plan, which is a cooperative population management and conservation program for select species in accredited North American zoos and aquariums. The baby's sire, JoJo, is from Lincoln Park Zoo and arrived at Brookfield Zoo in May 2012 based on a recommendation from the Species Survival Plan.