Mark Berthold: Bengal Tiger: 1700 left in India
Mark Berthold: Indian elephant Kanha 1989
Mark Berthold: Hard-ground Barasingha deer Kanha-population 350
Mark Berthold: Guning Leuser Reserve Sumatra
Mark Berthold: Orangutan dips its toes Sumatra
Mark Berthold: Proboscis Monkey Borneo 1994: 1000 left
Mark Berthold: Logging near Sepilok Malaysia 1994
Mark Berthold: Amazon area burn-off 1991
Mark Berthold: Verreaux’s Sifaka Lemur 10,000 left
Mark Berthold: Frolicking red-fronted brown lemur Madagascar
Mark Berthold: Indri lemur 10,000? left
Mark Berthold: Sri Lankan Elephants: 2400-4000
Mark Berthold: Endangered Rhino mum and calf Ngorongoro Crater
Mark Berthold: Rhino. 20,000 white rhinos and 5,000 black rhinos left but killed daily
Mark Berthold: Waved Albatrosses Galapagos 1991
Mark Berthold: Tree-climbing lion Lake Manyara National Park
Mark Berthold: Grevy's zebras 2000 left
Mark Berthold: African lions Ngorongoro Crater
Mark Berthold: Masai family 1989
Mark Berthold: Elephants beneath Mt Kilimanjaro when it still had snow 1989
Mark Berthold: Leopard surprised in Serengeti grass 1989
Mark Berthold: Back from the brink: a Takahe now 'just over 400'
Mark Berthold: Boy with young Andean Condor Peru 1991 (uploaded 2013)
Mark Berthold: Galapagos Sea lions
Mark Berthold: Galapagos Penguin 1 'Hey WWF says only 800 breeding pairs of us left!'
Mark Berthold: Giant Otters perhaps 5,000 left Manu N.P. Peruvian Amazonia
Mark Berthold: Green Turtle Galapagos
Mark Berthold: Chinese medicine man Guandong China 1988
Mark Berthold: Kid photographing Panda in Beijing
Mark Berthold: Giant Panda under 1600 in wild