Tanzania | United States Fish and Wildlife Service | Wildlife Conservation Society | Arctic National Wildlife Refuge | Durrell Wildlife Park | National Wildlife Federation | Durrell Wildlife Conservation Trust | Devon Wildlife Trust | Theodore Roosevelt National Wildlife Refuge Complex | Wildlife management | Wildlife | Southern Highlands, Tanzania | wildlife | The Wildlife Trusts | Tanga, Tanzania | Prime Minister of Tanzania | Moshi, Tanzania | Kenya Wildlife Service | Committee on the Status of Endangered Wildlife in Canada | Cabo Rojo National Wildlife Refuge | Cabeza Prieta National Wildlife Refuge | Back Bay National Wildlife Refuge | Wildlife Trust | Wildlife Preservation Society of Queensland | Texas Parks and Wildlife Department | Port Louisa National Wildlife Refuge | Phu Luang Wildlife Sanctuary | Patuxent Wildlife Research Center | National Museum of Wildlife Art | Middle Mississippi River National Wildlife Refuge |
This subspecies has been extensively studied by Dr. Jane Goodall at Gombe National Park.