The habitat of the area is diverse, "ranging from riparian forest/scrub along the Rupununi River to savanna with few scattered trees".
The ranch is now run by Duane de Freitas, his wife Sandie and son Justin along with his Irish partner, Erin Earl.
They run an ecotourism business from the ranch and visitors from all over the world come to birdwatch or go on river trips in the savannahs and Amazon rainforest.
Duane and Justin have set up the Rupununi Conservation Society to protect the highly endangered siskins and other bird and river turtle species.
Harry E Turner was an English ex-cavalry officer who said that he had ridden in the last British army cavalry charge in the Middle East during the First World War.