The video was shot by a researcher with the San Diego Zoo in Rwanda, who was traveling in the region to discuss animal conservation efforts, according to the video's description. The twins are part of the Hirwa group, one of ten being monitored by rangers at Volcanoes National Park, the former base of primatologist Dian Fossey.
The mountain gorilla is listed as critically endangered by the IUCN, and populations have become increasingly threatened by severe habitat destruction and rising human populations.
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