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 | wildlife | The Wildlife Trusts | 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 | Merritt Island National Wildlife Refuge | Indira Gandhi Wildlife Sanctuary | Great River National Wildlife Refuge | Currumbin Wildlife Sanctuary | Chinnar Wildlife Sanctuary |
Attree's credits include music for Horizon, Wildlife on One, Timewatch, Hardware, Watt on Earth, and the first three series of The Demon Headmaster.